深圳外国语学校2020年期中单元测试
深圳市外国语龙岗分校2020年期中单元测试
深圳市外国语龙岗分校2020年期中单元测试一、选择题1．在大枣红了的时候，几个小朋友正在大枣树下用石块投向枣树，若某个小朋友从看到石块击中枣树树枝到听到大枣落地声最少需要0.7 s，估算一下这课枣树的高度至少是（）A．1.5 m B．2.5 mC．5 m D．7 m2．如图所示，不计质量的光滑小滑轮用细绳悬挂于墙上O点，跨过滑轮的细绳连接物块A、B，A、B都处于静止状态，现将物块B移至C点后，A、B仍保持静止，下列说法中正确的是( )A．B与水平面间的摩擦力不变B．绳子对B的拉力增大C．悬于墙上的绳所受拉力大小不变D．A、B静止时，图中α、β、θ三角始终相等3．如图甲所示,小孩用80 N的水平力推木箱不动,木箱此时受到水平地面的摩擦力大小为F1;如图乙所示,小孩用100 N的水平力恰能推动木箱,此时木箱与水平地面间的摩擦力大小为F2;如图丙所示,小孩把木箱推动了,此时木箱与水平地面间摩擦力大小为F3,若木箱对水平地面的压力大小为200 N,木箱与水平地面间动摩擦因数为0.45,则F1、F2、F3的大小分别为()A．80 N、80 N、90 N B．80 N、80 N、45 NC．80 N、100 N、90 N D．80 N、100 N、45 N4．将一小物体以初速度v0竖直上抛，若物体所受的空气阻力的大小不变，则小物体到达最高点的最后一秒和离开最高点的第一秒时间内通过的路程x1和x2，速度的变化量Δv1和Δv2的大小关系A．x1＝x2B．x1＜x2C．Δv1＞Δv2D．Δv1＜Δv25．马拉车在水平路面上由静止开始前进，在以后的运动过程中，下面的哪些说法是正确的A．马拉车的力先产生，车拉马的力后产生B．马能拉动车是因为马拉车的力大于车拉马的力C．匀速前进时，马向前拉车的力等于车向后拉马的力，加速前进时，马向前拉车的力也等于车向后拉马的力D．马拉车的力和车拉马的力大小相等，方向相反，在同直线上，是一对平衡力6．下列情况中的运动物体，不能被看作质点的是A．欣赏某位舞蹈演员的舞姿B．用GPS确定远洋海轮在大海中的位置C．天文学家研究地球的公转D．计算男子400米自由泳金牌得主孙杨的平均速度7．大雪天车轮打滑，车辆难以前进，交警帮忙向前推车，如图所示，在推车的过程中，关于人和车之间的作用力，下列说法正确的一是（）A．车对人有向后的力B．车对人没有作用力C．人对车的力大于车对人的力D．人对车的力小于车对人的力8．如图所示是三个质点A、B、C的运动轨迹，三个质点同时从N点出发，同时到达M 点，下列说法正确的是（）A．三个质点从N到M的平均速度相同B．三个质点到达M点的瞬时速度相同C．三个质点从N到M的平均速率相同D．A质点从N到M的平均速度方向与任意时刻的瞬时速度方向相同9．A、B、C三点在同一直线上，一个物体自A点从静止开始作匀加速直线运动，经过B点时的速度为2v，到C点时的速度为6v，则AB与BC两段距离大小之比是A．1:3 B．1:8 C．1:9 D．3:3210．如图所示，用一把直尺可以测量反应速度。
2020年深圳外国语中学高三英语期中考试试题及答案解析
2020年深圳外国语中学高三英语期中考试试题及答案解析第一部分阅读（共两节，满分40分）第一节（共15小题；每小题2分，满分30分）阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项AThree Things to Do Before You Are 18Are you bored with your daily life? Here are some things you should try before you are 18.★Learn to swimSeriously, this is so important that it can save your life. If you can’t swim well, you won’t be able to dowater sports like waterskiing, surfing and diving. Even taking a boat trip will be dangerous for you. Make sure you do it.★Try at least one kind of team sportsBeing a good team player is an important skill in life. You can’t just think of yourself, but have to work well with other people. Other advantages of team sports like basketball, football and baseball are that they keep you fit and healthy, and they are also great fun. Teams usually have a good social life too—you’ll go to lots of parties and make many friends.★Collect somethingOne of the best hobbies for under-18s is collecting things. You could collect kinds of stamps, or you could collect things that make you remember what you have done, like cinema tickets for films you have seen or letters from friends. The best way to collect is to have a special album to put your collection in and to write what each thing means to you. That way you won’t forget.1. The most important reason for learning to swim is that ________.A. you might feel wellB. it can make you healthyC. you might easily do lots of thingsD. it can save your life2. The writer tells us that one of the best hobbies is to ________ .A. collect somethingB. do some water sportsC. send letters to your friendsD. play basketball with your friends23. The passage is mainly about ________before you are 18.A. good habits to keepB. skills to haveC. things to doD. sports to playBThe idea of growing food in a desert would make most people laugh but this is quickly becoming a reality. There are currently two desert farms in the world where quality vegetables are being planted cheaply and easily.Sundrop Farms, based in South Australia, uses experimental greenhouses to grow tomatoes, peppers and cucumbers. The biggest challenge of growing food in a desert, obviously, is the lack of available water. The researchers at Sundrop Farms have gotten aroundthis problemby using the sun to desalinate (淡化) sea water. It can also be used to control the temperature of the greenhouses.Without depending on limited resources such as land and fresh water Sundrop Farms has made farming a practice. This can increase the world’s food supplies. Another benefit ofthis kind of farming is that it can be done anywhere, thus reducing the costs of transporting food to distant locations. Yet another benefit is that it reduces the need for pesticides (杀虫剂).Another experimental desert farm is the Sahara Forest Project, which began in Qatar in December 2012. Greenhouses in the farm are cooled by saltwater. Solar power and other technologies are used together to help make vegetation (植被) grow in the desert environment. As deserts have expanded over recent years around the world due to global warming, this project could solve the problem.The result form the Qatar project were better than expected and in June of 2014, Jordan agreed to host another one. This will be much bigger than the Qatar project and the project members will have even more opportunities to test their experiments on a much larger scale. It is not clear yet that desert farming resents the future of farming but these projects have shown some success in the field.4. What does “this problem” in paragraph 2 refer to?A. Sea water is bard to purify.B. The desert is short of water.C. The temperature is high in the desert.D. Desert farms aren’t fit to plant vegetables.5. What is one of the characters of desert farming?A. It needs more pesticides.B. It saves delivery costs.C. It has a location limit.D. It solves food waste problems6. What can we know about the Sabara Forest Project?A. It lives up to expectationsB. It can help produce more foodC. It is started to prevent global warmingD. It uses technology to produce saltwater7. What can be inferred about desert farming from the last paragraph?A. It still has problems to solve.B. It represents the future of farming.C. Its early success has aroused interest in it.D. Its aim is to create more job opportunities.CIt was very cold and I had been watching a homeless man make himself comfortable in a “shelter” on the river bank. His “shelter” was a tarpaulin (油布)tied to rocks to keep the wind from blowing it away. He had been living there for over a month. I never saw him with warm clothing or food. I knew what I wanted to do.When I told my parents what I wanted to do they werealarmed. They said I could be putting myself at risk, taking a box to a homeless person at night! But I knew, in my deep heart, that I would be safe.I got a box. My parents watched as I added warm gloves, a heavy blanket ... into the box until it was full! Then, I put a Christmas card on top. It said, “Even though we hardly know each other, I want to wish you a Merry Christmas!” I put ten one-dollar bills inside it as well.My father insisted he went there with me as it was 10 pm on Christmas Eve. I said he could drive me but he had to stay in the car. He agreed.I took the box and walked towards his “house”. I called, “Sir, I have a Christmas box for you!”“Go away!” he shouted.“Sir,” I repeated.“Go away!” he shouted.“Why?” I asked him.He walked over and I expected to see an angry face. Instead I saw two of the most beautiful, gentle, blue eyes I have ever seen.“Merry Christmas!” I said.“Why are you doing this?” he asked.“Because you matter to me,” I said. With that I gave him the box.Tears came to his eyes and he thanked me. I got back to the car and watched him carry the box like it was filled with gold. I didn’t want to embarrass (使困窘) him by watching him any more so Dad and I left.8. The underlined word “alarmed” can best be replaced by _____.A. pleasedB. worriedC. disappointedD. surprised9. Why did the author ask his father to stay in the car?A. Because he wanted to prove he was brave.B. Because he believed the homeless man was bad.C. Because he wanted to protect his father from being hurt.D. Because he didn’t want the homeless man to feel bad.10. When the homeless man saw the author first, he was _____.A. quite angryB. very excitedC. quite puzzledD. very curious11. The author’s purpose in writing the text is to tell readers that _____.A. it is easier said than doneB. poverty is the mother of healthC. where there is a will, there is a wayD. a willing helper doesnot wait until he is askedDAs every mobile-phone owner knows, after a year or so the battery starts to fade and the beast needs recharging more frequently.That is troublesome, but a phone’s batteries can be replaced fairly cheaply — or the whole device traded in for the latest model. An electric car, though, is a much bigger investment. And batteries are its priciest component, representing around 30% of an average mid-size vehicle.To provide buyers with some peace of mind, carmakers guarantee their batteries, typically for eight years or around 200,000km. Producers, planning to go much further than that, though, are racing to launch “million mile”(1.6m kilometers) batteries. Contemporary Amperex Technology, a giant Chinese firm which produces batteries fora number of carmakers, was said to be ready to start producing batteries which would last for 16 years or 2m kilometres. Elon Musk has suggested that Tesla,a Californian maker of electric vehicles, has a million-mile battery in the works. And over in Detroit,General Motors is in the final stages of developing an advanced battery which it says has similar longevity (寿命)。
2020年深圳外国语学校初中部高三英语期中考试试卷及参考答案
2020年深圳外国语学校初中部高三英语期中考试试卷及参考答案第一部分阅读（共两节，满分40分）第一节（共15小题；每小题2分，满分30分）阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项ABest of British：Outdoor CinemasLuna Beach Cinema, BrightonOn the beaches of Brighton this summer, you can enjoy the lapping of waves as you take inFinding Dory, Moana and Sharknadoover a month-long residency. This spot boasts the highest definition outdoor LED screen in the country. stretching to an impressive 33 feet!Moonlight Flicks, ChesterThe biggest outdoor cinema in the North West of England, Moonlight Flicks will be showing some serious blockbusters（大片）this summer, including A Star Is Born and singalong crowd-pleaser, The Greatest Showman. Cinephiles can gather on the lawn and plug into wireless headphones to ensure perfect sound quality.Rooftop Film Club, LondonEnjoy cult classics and family favorites while looking out on a view of London's skyline with the city's unique Rooftop Film Club. The current programme only runs until June 30 and our top picks include The Breakfast Club, Fargo and a special 65th anniversary showing of Rear Window.Chirk Castle, Wrexham, North WalesThe 11th-century Chirk Castle was first built under the reign o£ Edward I, but now it's the destination for Silly Walk superfans, as they put on screenings of the cult classic, Monty Python and the Holy Grail. Has there ever been a more perfect surrounding to enjoy the comedy capers of King Arthur and his dozy squire?1. What can you enjoy in the biggest outdoor cinema in the North West of England?A.Finding DoryB.A Star Is BornC.The Breakfast ClubD.Monty Python and the Holy Grail.2. Where can you enjoy a special anniversary show?A. Luna Beach Cinema, Brighton.B. Moonlight Flicks, Chester.C. Rooftop Film Club, London.D. Chirk Castle, Wrexham, North Wales3. What's the purpose of writing the text?A. To encourage summer activities.B. To advertise several cult classics.C. To recommend some blockbusters.D. To introduce outdoor cinemas.BDragon boating is a team sport that has its root in ancient China. The boats are decorated with a dragon head and tail. In recent years cancer survivor groups have got involved in the sport to help make friends and help rebuild their lives.On a recent Saturday morning, a group of 20 women were on a boat in the Anacostia River in Washington DC. They moved their paddles(船桨)in rhythm to the call of a coach. The women belong to the dragon boat team GoPink! DC, which trains weekly. It also races against other breast cancer survivor teams in dragon boat festivals. As a result, GoPink! DC won medals in this Washington dragon boat festival.Lydia Collins joined five years ago after finding out she had breast cancer. “I was diagnosed with breast cancer.I was demoralized because of my illness - I lost all interest in life and wouldn't even get out of bed to eat. But now I love the team spirit. I just love everything about it. It is like a floating support group on the water.”The paddles are breast cancer survivors and their supporters. Annette Rothemel helped establish(建立)the group in 2006. She is a researcher with the National Institutes of Health as well as a breast cancer survivor. “It is sort of an easy entry sport because on the same boat people at different levels can be doing the same sport.” But Ms Rothemel saysdragon boating can be physically demanding, especially for someone who is sick and getting treatment for cancer.“It’s hard but I think you have to challenge yourself in life. This is something I look forward to. I get to be out here with my sisters and supporters that understand what I’m going through and help motivate me. So it makes me stronger and it makes me feel better,” another cancer survivor Rhonda Hartzel said.Annette Rothemel says the cancer survivors feel a sense of sisterhood and share good times when they paddle together. She says both feelings are treasured by the team.4. What do the underline wordsdemoralizedIn para.3 probably mean?A. depressedB. anxiousC. astonishedD. awkward5. What can we know about Lydia Collims from the text?A. she helps establish Go Pink !DCB. she tries to find a cure for the cancerC. she benefits from the dragon boat raceD. she gives up hope because of her illness6. How can the dragon boat race help the cancer survivorsA. forget their tough experiencesB. recover physically and mentallyC. get rid of the pains of their cancerD. enjoy their rest life without sufferings7. What does the text tell us about Annette Rothemel?A. she is an expert in studying the cause of the cancerB. she helps the cancer survivors in financial difficultiesC. she believes there is a healthful result from the dragon boat raceD. she thinks it unwise for the patient to join in the dragon boat raceCAdvertisers tend to think big and perhaps this is why they're always coming in for criticism. Their critics(批评家)seem to hate them because they have so much money to throw around. Why don’t they stop advertising and reduce the price of their goods? After all, it’s the consumer who pays.The poor old consumer! He'd have to pay a great deal more if advertising didn't create mass markets for products. It is precisely because of the heavy advertising that consumer goods are so cheap. But we get the wrong idea if we think the only purpose of advertising is to sell goods. Another equally important function is to inform. A great deal of the knowledge we have about household goods is largely from the advertisements we read. Advertisements introduce us to new products or remind us of the existence of ones we already know about. Supposing you wanted to buy a washing machine, it is more than likely you would obtain details regarding performance, price, etc., from an advertisement.Lots of people pretend that they never read advertisements, but this claim may be seriously doubted. It is hardly possible not to read advertisements these days. And what fun they often are, too! Just think what a railway station or a newspaper would be like without advertisements. Would you enjoy gazing at a blank wall or reading railway byelaws while waiting for a train? A cheerful, witty advertisement makes such a difference to a dull wall or a newspaper full of the incidents and disasters.We must not forget, either, that advertising makes a positive contribution to our pockets. The fact that we pay so little for our daily paper, or can enjoy so many broadcast programmers is due entirely to the money spent by advertisers. Just think what a newspaper would cost if we had to pay its full price!Another thing we mustn't forget is the “small ads.” What a tremendously useful service they perform for the community! Just about anything can be accomplished through these columns. For instance, you can find a job, buyor sell a house, announce a birth, marriage or death in what used to be called the “hatch, match and dispatch” column(栏目) but by far the most fascinating section is the personal or “agony” column. No other item in a newspaper provides such entertaining reading or offers such a deep insight into human nature. It's the best advertisement for advertising there is!8. What is the main idea of this passage?A. Advertisements steal money from our pocketsB. The critics get the wrong idea of advertisements.C. Advertisers perform a useful service to communities.D. Advertisements are everywhere.9. What is the attitude of the author toward advertisements?A. He appreciates the role of advertisements.B. He doubts the effect of advertisements.C. He believes what is said in advertisements.D. He complains too many advertisements in daily life.10. Which of the following is Not True?A. The personal or “agony” column makes us know more about human nature.B. The only purpose of advertising is to sell goods.C. A newspaper will cost us more if there is no advertisement on it.D. Advertisement makes our life color1 ful.11. Whicof the following shows the structure of the passage?( ①=" Paragraph" 1, ②=" paragraph" 2, ③=" paragraph" 3, ④=" paragraph" 4 ⑤=" paragraph" 5)A B.C. D.DDo you ever listen to the songs that your parents like? Chances are that you don’t. You probably think the music that they like is old and boring and that the songs on your playlist are muchcooler. But scientists found that people’s music taste changes as time goes by. So it is likely that your own musical preferences will follow a similar path to your parents’, whether you like it or not.We used to think that culture and personality (个性) are the only reasons for different music choices. But researchers at the University of Cambridge noticed that as people enter into different age groups, their social environment changes, and so does their music taste. There are some musical periods that people go through in their life.The first period comes in the teenage years, during which people like strong music such as punk and rock, because teenagers tend to be aggressive or want to be independent.But as people move into early adulthood, their lifestyles change they want to build close relationships with others. As a result, they become fonder of contemporary music, such as pop and R&.B, which is usually uplifting and danceable.When middle age comes, most people have settled down. During this period, people prefer music, such as jazz and classical, as well as music like country, folk and blues.As for old people, they prefer old songs in their childhoods. They generally listen to relaxing music, such as country music and jazz music. But you must be questioning. “Aren’t there old people who are still interested in or even crazy about rock music?” Of course there are. But their reasons for listening to rock music may have changed. At that age people may listen to remind themselves of their youth.12. What do young people usually think of the songs their parents enjoy?A. They are actually less cool.B. They are worth listening to.C. They are especially serious.D. They are hard to understand.13. How many musical periods are there that people go through in their life?A. Two.B. Three.C. Four.D. Five.14. People who want to make friends mostly prefer ________.A. jazz musicB. country musicC. rock musicD. pop music15. What is the best title for the text?A. People Have Different Opinions on MusicB. People Listen to Music for the Same ReasonC. People’s Taste in Music Changes with TimeD. People’s Lifestyle Can Be Changed by Music第二节（共5小题；每小题2分，满分10分）阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。
2020届深圳外国语学校高中部高三英语期中考试试卷及答案
2020届深圳外国语学校高中部高三英语期中考试试卷及答案第一部分阅读（共两节，满分40分）第一节（共15小题；每小题2分，满分30分）阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项AFind Your Chicago Architecture TourChicago is known around the world for its architecture. Whether you tour downtown or a neighborhood, our guides will tell you the stories behind the buildings.Must-see ChicagoMust-see Chicago is a fast-paced, 90-minute tour to Chicago featuring(以…为特色) some of its most famous buildings, including the Wrigley Building, Tribune Tower and more! Get a brief overview of more than a dozen buildings—as well as Chicago landmarks like Millennium Park, the Loop and the Chicago River.Duration: 1.5 hoursPrice: $ 26 public, free for CAC membersArchitecture HighlightsDiscover the exciting diversity(多样性) of Chicago architecture, which traces the city’s development from its founding through present day. We cover about 30 miles of Chicago design, passing through the Loop and the Gold Coast, as well as Hyde Park and other areas of the South Side. We’ll see two university campuses and several parks.Duration: 3.5 hoursPrice: $ 55 public, free for CAC membersHistoric Treasures of Chicago’s Golden AgeLearn about the great architectural landmarks of Michigan Avenue and State Street, with views inside beautiful buildings from the 1890s〜1930s. The most memorable parts include the amazing interiors(内部) of the Palmer House Hotel and the Chicago Cultural Center.Duration: 2 hoursPrice: $ 26 public, free for CAC membersElevated Architecture: Downtown “L” TrainExplore Chicago’s amazing architecture from the unique view of elevated trains and station platforms. Learn the history behind the famous “L” system and hear how it has shaped the development of buildings within theLoop. The city’s first elevated train started making trips in 1892. Now considered one of Chicago’s most wonderful features, the “L” offers impressive views of downtown.Duration: 2 hoursPrice: $ 26 public, free for CAC members1.Which tour can you choose if you want to see Millennium Park?A.Must-see Chicago.B.Historic Treasures of Chicago’s Golden AgeC.Architecture Highlights.D.Elevated Architecture：Downtown “L” Train.2.When visiting Architecture Highlights, a couple should pay ______.A.$55B.$ 110C.$ 165D.$ 2203.What can you see on the third tour?A.The Chicago River.B.The Gold Coast.C.The elevated trains.D.The Palmer House Hotel.BCompared to dogs, cats are often considered to be aloof（冷漠的）with respect to their human owners. It is usual for them to be indifferent（无动于衷的）when humans calltheir names. Are we sure that they don’t understand human voices at all?A recent study published in the journal of Scientific Reports suggests that we’ve been fooled. Japanese scientists found that cats can recognize their names if their owners regularly use them. In the study, scientists recruited 78 domestic cats. They played recordings of voices of their owners saying five words: the first four words were random nouns thatresembledtheir names while the final word was the cat’s name. Then they observed the cats’ responses, if there were any.Most of cats moved their ears or heads when they heard their names, while they made no response to other words. That suggested, “cats were paying attention to you, what you say and what you do,” John Bradshaw, an expert on human-animal interactions（互动）at the University of Bristol, UK, told The Times. “And cats were just as good as dogs at learning,” she added.In the study, when people called their names, cats often associated (联系) the words with rewards, such as food or play, or with “punishments” such as having a bath or going to the vet . This made cats sensitive (敏感的) to words. After the cats had been called several times, they could respond to the words. But the scientists addedthat while dogs have evolved（进化）to follow their owners’ orders, cats have not. Although cats appear to be distant, they do have special relationships with their owners.According to study co-author Atsuko Saito, cats have evolved not to show their emotions as a survival method. One example is illness, which they tend to hide because “in the wild, no one can rescue them” and predators (捕食性动物) are more likely to pay attention to them, Saito explained.However, technology may help bridge the communication gap between cats and us. There are now mobile apps available to explain what their meows mean. So, the next time you hear “meow, meow”,your cat may be telling you: “Hi, you haven’t cleaned my litter box recently.”4. What did the recent study find about cats?A. Cats can recognize their names.B. Cats are cleverer than dogs.C. Cats learn more slowly than dogs.D. Cats are willing to follow orders.5. What does the underlined word“resembled”in paragraph 2 probably mean?A. were limited toB. were different fromC. were similar toD. were away from6. Why do cats appear distant to their human owners?A. They associate words with punishments.B. They want to protect themselves from harm.C. They are not sensitive to the human voice.D. They don’t pay much attention to their surroundings.7. What can be inferred from the last paragraph?A. It is difficult to understand cats’ meows.B. Interaction with your cats is very important.C. Cats do have good relationships with their owners.D. We may know cats better with the help of technology.CDisease-carrying mosquitoes can spread diseases without affecting themselves. Nearly 700 million people get a mosquito-borne illness each year, which results in over one million deaths. Humans experience continuous pressures from disease-carrying mosquitoes in many parts of the world, so we have to find ways to fight against those insects because they keep getting scarier.Even though DEET remains the most commonly used, and most powerful, mosquito repellent ever developed,scientists are actively pursuing effective products based entirely on plant oils. While DEET is an effective contact repellent, many people dislike the oily feel and smell on their skin, and sometimes some people are sensitive to it. Consumers are always interested in alternatives to DEET and other synthetic repellents, so there are numerous natural repellents on the market.In his lab atIowaStateUniversity, Dr. Joel Coats and his team have successfully tested these repellents against three species of dangerous mosquitoes. The first group of the new repellents act through the air. These chemicals have a vapor action that provides protection, and they are called “spatial” repellents, since they act through space. These are potentially most useful in backyards, parks, and houses. The other group are the classic ones that stop insects from standing on a treated surface, such as human skin, clothing or tents; collaborators at the USDA-ARS and BioGents have conducted testing with humans to confirm the effectiveness and identify the very best ones.The new repellents were designed and made from the natural materials in plant essential oils. They maintain many of the advantages of the natural repellents: They are fully biodegradable, with no ecological concerns or environmental wastes, and generally considered safe like the thousands of types of plant essential oils used in the flavor and perfume industries. However, thorough testing will be conducted to determine if they are truly non-poisonous because there is still no enough evidence.8. What does the author mainly want to show in paragraph 1?A. The way mosquitoes spread disease.B. The high death rate of mosquito-borne illness.C. The difficulty of fighting disease-carrying mosquitoes.D. The urgency of finding tools to fight against mosquitoes.9. What is a disadvantage of DEET?A. It won’t be effective for long.B. It can’t be applied universally.C. It causes discomfort to the users.D. It greatly harms people’s health.10. What can we learn about the second group of the new repellents?A. They can kill mosquitoes indirectly.B. They are mainly used in the open air.C. They are more effective on human skin.D. They can prevent mosquitoes from contacting users.11. What’s the author’s attitude to the new repellents?A. Subjective.B. Objective.C. Doubtful.D. Disapproving.DFor fishermen and sailors in the seaside town of Shangpan in Linhai, Zhejiang province, where recently 12 stranded（搁浅的）whales were found, it is not unusual to spot whales or dolphins in the sea — they would always call them haizi, or “son of the ocean”. And if the local fishermen spot such intelligent sea creatures in need, they will save them from danger without hesitation.In the recent rescue of melon-headed whales, they tried their best to help as a 37-second video of a young man sleeping in the water holding a whale soon went viral online, with netizens applauding his constant efforts and caring heart in trying to keep the whale alive. “The melon-headed whale knew I was trying to save it and would be more cooperative and wouldn’t move.” said Lu Wenhui, a 21-year-old diver from Hangzhou Changqiao Polar Ocean Park, who held up the whale’s head so it could breathe easily. Lu had been staying in the water for 10 hours by 4 a.m. Wednesday after coming for the rescue work on Tuesday, when the stranded whales were first spotted.“Whales are mammals and need to breathe in air — that’s why I had to hold its head, to ensure it could breathe smoothly the whole time,” Lu said. The stranded whales, after the struggling of being transported, were worn out when they arrived at the fish farm and might have drowned if they were left unattended.The reason why the whales were stranded is still not clear. And these stranded whales were returned to the ocean because they are not adapted to artificial breeding environments on land.12. What do local fishermen usually do after finding haizi in danger?A. Ignore them.B. Feed them.C. Transport them.D. Protect them.13. Why does the author describe Lu’s rescue work?A. To introduce the whales in detail.B. To voice his views on the diver.C. To praise the efforts made by rescuers.D. To explain the value of the whales.14. What can we say about the melon-headed whales according to the text?A. They are rarely seen by locals.B. They are used to breathing in the sea.C. They aren’t suited to artificial surroundings.D. They are fond of swimming near the seaside.15. Which of the following can be the best title for the text?A. Melon-headed Whales Were StrandedB. Rescuers Went All out to Help WhalesC. Fishermen Transported Stranded WhalesD. Witnesses Voiced Opinions on Rescue Work第二节（共5小题；每小题2分，满分10分）阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。
2020年深圳外国语学校高三英语期中试卷及参考答案
2020年深圳外国语学校高三英语期中试卷及参考答案第一部分阅读（共两节，满分40分）第一节（共15小题；每小题2分，满分30分）阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项AWhat to Eat—and What to Skip—When It Comes to Takeout FoodIf the burden on your wallet doesn't bother you much, the effect your takeout habit can have on your waistline just might arouse your attention. Here's the best and worst of the lot for your belly.Steamed Vegetable Dumplings: Order This.When she orders Chinese, registered dietitian nutritionist Elisa Zied gets an order of steamed vegetable dumplings. "I often pair them with either chicken and broccoli in brown sauce（I ask for a little saucemade without sugar）or steamed shrimp dumplings," she tells us.Crab Wontons: Not That!When you deconstruct crab wontons, it's easy to see why they're a "Not That!" The inside is filled with crabmeat and cream cheese（which is just a fancy, spreadable fat）.The wonton is made of refined flour, egg and salt and the crispy（脆的）coating is a result of a deep oil bath.Peking Duck: Order This.Most of the fat from the skin flows out of the duck over the course of cooking, making this a healthier choice than most of the stir-fry dishes available. Order a side of steamed vegetables and serve it with a small scoop of brown rice. Done and done!Sweet and Sour Anything: Not That!Anything with “sweet and sour” in its title is a powerful cue that something has been deep-fried and covered in a sickly-sweet pink sauce. If you pair your selection with a side of rice, you're looking at a 1,000-calorie meal.Summer Roll: Order This.Summer rolls are steamed instead of fried—and typically filled with lean proteins and vegetables, making them a winning appetizer in our book. Pair them with an order of edamame（毛豆）and a broth-based soup for a satisfying, filling meal.Spring Roll: Not That!Spring=deep-fried, which is why we say to skip them! They're filled with fat and calories your belly doesn't need.1.What kind of cooking method should be skipped according to the text?A.Steaming.B.Stir-frying.C.Deep-frying.D.Boiling.2.Which of the following suits as a good starter for a meal?A.Chicken and broccoli.B.Steamed vegetable dumplings.C.Peking duck.D.Summer rolls.3.Where can the text be found?A.In a recipe.B.In a guidebook.C.In a science fiction.D.In a health magazine.BTeens who have good, supportive relationships with their teachers enjoy better healthas adults, according to research published by an American research center.“This research suggests that improving students' relationships with teachers could have positive and long-lasting effects beyond just academic success," said Jinho Kim, a professor atKoreaUniversityand author of the study."Itcould also bring about healthimplicationsin the long run.”Previous research has suggested that teens' social relationships might be linked to health outcomes in adulthood. However, it is not clear whether the link between teen relationships and lifetime health is causal（因果的）-it could be that other factors, such as different family backgrounds, might contribute to both relationship problems in adolescence and to poor health in adulthood. Also, most research has focused on teens' relationships with their peers（同龄人）, rather than on their relationships with teachers.To explore those questions further, Kim analyzed data on nearly 20,000 participants from the Add Health study, a national study in theU.S.that followed participants from seventh grade into early adulthood. The participant pool included more than 3,400 pairs of siblings（兄弟姐妹）. As teens, participants answered questions, like “How often have you had trouble getting along with other students and your teachers?" As adults, participants were asked about their physical and mental health.Kim found that participants who had reported better relationships with both their peers and teachers in middle and high school also reported better physical and mental health in their mid-20s. However, when he controlled for family background by looking at pairs of siblings together, only the link between good teacher relationships and adult health remained significant.The results suggest teacher relationships are more important than previously realized and that schools shouldinvest in training teachers on how to build warm and supportive relationships with their students. "This is not something that most teachers receive much training in," Kim said, “but it should be.”4. What does the underlined word “implications" in Paragraph 2 refer to?A. Recipes.B. Habits.C. Benefits.D. Risks.5. What is Paragraph 3 mainly about?A. Poor health in adolescence.B. Limitations of the previous research.C. Teens' relationships with their peers.D. Factors affecting health in adulthood.6. What does Kim's research show?A. Good adult health depends on teens' good teachers.B. Good family background promises long-term adult health.C. Healthy peer relationships leads to students' academic success.D. Positive student-teacher relationship helps students' adult health.7. Where does this text probably come from?A. A health magazine.B. A medical report.C. A term paper.D. A family survey.CWith graduation days being celebrated all over the country, a student who has to use a wheelchair honored his mother on his graduation day in a special way. Easley High School graduate, Alex Mays surprised people present when he got up and walked across the stage at Clemson's Littlejohn Coliseum.“I was really happy—it made me feel good,” Alex said.Alex was not given a chance to live right from his birth. He was born at 25 weeks and weighed just 1 pound, 10 ounces at birth. When he was very young, he had a disease and lost the ability to walk. After his mother's death in 2013, Alex had several other difficult life changes until he came to live with his grandparents, Dousay and her husband, Dewayne. Dousay said that when Alex came to live with them, they decided to bring him up in the best possible way they could.Last fall, Alex said that he would walk across the stage to get his diploma to honor his late mother. He practiced hard and worked with a physical therapist for 9 months to complete his plan.The only help Alex got was from his mom's best friend, Tonya Johnson, who pushed his wheelchair to thestage wearing one of his mother's favorite shirts. “I had support from my family. I couldn't have done it without them,” Alex said.“Alex made everyone in the building feel encouraged that day” Pickens County School District public information specialist John Eby said. “The school teachers knew he was going to get up to get his diploma, but the distance he walked was a surprise, even to them,” Eby said.“Some of life's most important tests aren’t given in a classroom; Alex tested himself and passed with flying color1 s,” Eby added.8. In what way did Alex honor his late mother on his graduation day?A. By dressing like her.B. By saying sorry to her.C. By inviting her best friend.D. By walking to get his diploma.9. What can we learn from Paragraph 3?A. Alex was born healthy.B. Alex went through a lot.C. Alex had a purpose in life as a child.D. Alex has lived with his grandparents all the time.10. What did Alex also express on his graduation day?A. His big regret in life.B. His feelings for hisschool.C. His thanks for his family.D. His will to complete his study.11. Which of the following words can best describe Alex?A. Strong-minded.B. Warm-hearted.C. Cool-headed.D. Easy-going.DIn 2002, young Elon Musk tried unsuccessfully to buy Russian rockets to help him send mice to Mars and back. Afterwards, the youngmillionaire decided to build his own rockets.Musk went to Southern California and started hiring people to help bring his dream to life. In a very short time, and despite some failures, his company SpaceX launched Falcon 1, the first successful privately-built liquid fuel rocket, into Earth's orbit in 2008.As the first Falcon rocket began testing, development was already underway for the Falcon 9. This much larger rocket, which uses nine engines to lift heavy payloads（有效载荷）into orbit, is engineered to return to Earth, ready to be reused for another flight.For Musk, space is the final destination. To help people get there, his company Neuralink is developing devices that will link people's brains with computers. A similar device has been developed at the University of Utah. It consists of a chip（芯片）with 256 threads（线程）that is placed between a person's skin and brain. Thethreads attach directly to brain tissue（脑组织）.Patients who have the device are able to use only their minds to communicate with one another through computers.Neuralink's chips will have about 1,000 threads. A robot developed by the company will place up to ten chips under a person's skin. The chips will communicate without wires but with a tiny device that will be worn behind the person's ear. That device, in turn, will communicate with computers. The primary market for the technology will be for people that, because of injuries or birth defects, cannot control their hands and arms. With Neuralink^ product, they'll be able to mentally command a computer to type messages for them or carry out other tasks.12. According to this article, what was the first Falcon 1 able to do?A. Launch big satellites.B. Reach distant moons.C. Move around our planet.D. Study the universe.13. What does the article explain about Neuralink's chips?A. How they'll be set up.B. What safety features they'll have.C. How much money they'll earn.D. Where they'll be produced.14. According to this article, who is Neuralink going to market its product to first?A. Those who own great wealth.B. Those who are physically disabled.C. Those who travel internationally.D. Those who do research on plants.15. In which publication is this article most likely to appear?A. The Journal of Environmental Studies.B. Advances in Business and Technology.C. Digest of Fashion and Entertainment News,D. Consumer's Guide to Outdoor Recreation.第二节（共5小题；每小题2分，满分10分）阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。
2020届深圳福田外国语学校高三英语期中考试试卷及参考答案
2020届深圳福田外国语学校高三英语期中考试试卷及参考答案第一部分阅读（共两节，满分40分）第一节（共15小题；每小题2分，满分30分）阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项AObesity (肥胖症) is becoming a problem in our busy society, and almost one in three American adults is now considered to be obese. Children obesity is alsoat an all-time high.Obesity means being very overweight. If you are obese, you have too much bodyfat. If you eat more food than your body can use, this will make you put on weight. Food that your body does not need will be stored as fat by your body.The following are the major factors that increase the risk of obesity.What you eat plays a major role in weight gain. Eating a lot of fast food such as hamburgers, sweet drinks, ice creams and other sweet food can increase the risk of becoming obese.If you do not do enough exercise, you will put on weight as the food you eat is not being used to make energy for physical activities.The chances of you being obese are greater if your parents are obese.There are many psychological factors that cause people to eat too much. People who are worried, unhappy or bored will often eat to make themselves feel better. This is known as comfort eating.Age is another factor, as you tend (趋于) to be less active when you get older. When you get older, you need to eat less, and if you do not eat less, you will put on weight. Obesity can cause many health problems such as heart problems, high blood pressure and many other serious medical conditions.1. The underlined sentence in paragraph 1 means that ____.A. obesity does not do harm to health.B. there are more obese children than before.C. all the American children are obese.D. there are less obese children in the USA.2. According to the passage, there are ____ major factors that increase the risk of obesity.A. threeB. fourC. fiveD. six3. What will the writer most probably talk about after the last paragraph?A. How to avoid obesity.B. How to live in the busy USA.C. What illnesses are caused by obesity.D. How doctors treat heart problems.BDogs are often called as “man's best friend”, MacKenzie, a four-pound Chihuahua（吉娃娃）, was named winner of the 2020 American Hero Dog Competition on October 19, 2020.In its tenth year in 2020 the annual contest is the brainchild of American Humane, the country's first national charitable organization founded for the safety and well-being of animals. Often called the “Oscars for dogs”, the award recognizes dogs who make extremely great contributions to society.The competition of 2020 attracted over 400 entries（参赛者）from across the country. These heroic dogs have gone above the call of duty, saving lives, comforting the ill and aged and reminding us of the powerful, age-old ties between animals and people. While all were impressive, it was tiny MacKenzie who wonthe judges' hearts.MacKenzie's growth was not easy. Born with a mouth disability, she had to be fed through a tube（管子）for the first year of her life. Despite her own struggles, she always seemed to think more of other animals in need. “Never have I seen such a will to live. Though sick, she carefully looked after the baby animals at the rescue（救助）center,” said her caretaker.A life-saving operation performed in 2014 gave MacKenzie the ability to eat independently. The seven-year-old chihuahua is now working for the Mia Foundation, an organization that rescues and nurses animals with inborn disabilities. The chihuahua does an excellent job and has raised various animals. She plays nurse, cleans, comforts and hugs them, acting as their mother and teaching them how to socialize, play and have good manners.In addition to her role as an animal caretaker, MacKenzie also visits schools to educate kids about the importance of accepting physical differences in both animals and people. Her heartwarming and inspiring story makes MacKenzie a worthy receiver ofAmerica's top dog honor.4. What can we infer about the American Hero Dog Competition?A. It was first held in 2010B. It was held to honor caretakers of dogs.C. It takes place every ten years.D. It was started by a charitable organization.5. With what quality did MacKenzie win the award?A. Talent and braveryB. Friendliness and care.C. Courage and selflessness.D. Confidence and independence.6. In which aspect can students benefit from MacKenzie's visits?A. Learning from failures.B. Understanding the disabled.C. Valuing physical health.D. Developing practical ability.7. What's the best title for the text?A. Dogs Are Man's Best Friends.B. Treat Dogs the Way We Want to Be Treated.C. Touching Stories between MacKenzie and PeopleD. 2020 American Hero Dog: A TinyChihuahua.CDo you ever listen to the songs that your parents like? Chances are that you don’t. You probably think the music that they like is old and boring and that the songs on your playlist are muchcooler. But scientists found that people’s music taste changes as time goes by. So it is likely that your own musical preferences will follow a similar path to your parents’, whether you like it or not.We used to think that culture and personality (个性) are the only reasons for different music choices. But researchers at the University of Cambridge noticed that as people enter into different age groups, their social environment changes, and so does their music taste. There are some musical periods that people go through in their life.The first period comes in the teenage years, during which people like strong music such as punk and rock, because teenagers tend to be aggressive or want to be independent.But as people move into early adulthood, their lifestyles change they want to build close relationships with others. As a result, they become fonder of contemporary music, such as pop and R&.B, which is usually uplifting and danceable.When middle age comes, most people have settled down. During this period, people prefer music, such as jazz and classical, as well as music like country, folk and blues.As for old people, they prefer old songs in their childhoods. They generally listen to relaxing music, such as country music and jazz music. But you must be questioning. “Aren’t there old people who are still interested in or even crazy about rock music?” Of course there are. But their reasons for listening to rock music may have changed. At that age people may listen to remind themselves of their youth.8. What do young people usually think of the songs their parents enjoy?A. They are actually less cool.B. They are worth listening to.C. They are especially serious.D. They are hard to understand.9. How many musical periods are there that people go through in their life?A. Two.B. Three.C. Four.D. Five.10. People who want to make friends mostly prefer ________.A. jazz musicB. country musicC. rock musicD. pop music11. What is the best title for the text?A. People Have Different Opinions on MusicB. People Listen to Music for the Same ReasonC. People’s Taste in Music Changes with TimeD. People’s Lifestyle Can Be Changed by MusicDNextdoor，an online social network for neighbors，says it has attracted $60 million from early backers of technology giants，Google，Amazon and Facebook.The new investment，1ed by venture firm Kleiner Perkins Caufield & Byers and investment firm Tiger Global Management，values Nextdoor at more than $500 million，said a personfamiliar with the matter.Nextdoor members make Facebook-style postings，giving or seeking recommendations for services such as babysitters and yard maintenance or local retailers and restaurants. They also post about community issues such as parking，crimeand safety，or items for sale or loan.The investment sum emphasizes the appeal of businesses that can tap into the growing use of mobile devices，as well as social networking Perhaps the best current example is Twitter，which is preparing for an initial public offering that values the company at up to about $11 billion.“We’re all spending more time with our screens，more engaged，but I think data shows we’re less connected，”said John Doerr of Kleiner Perkins，mentioning his own experience of knowing few of his neighbors. Nextdoor，with its ability to introduce neighbors to each other，helps people regain the sense of connection，he said.Early next year，Nextdoor plans to expand to Canada，followed by Great Britain，Australia，and South Africa，chief executive NiravTolia said. While Nextdoor has not yet have made any profit after two years of operations，Tolia said he is not worried.“If we look at the great companies at this stage，none of them started to monetize this early in their evolution. ”Tolia said. “It’s all about getting the product right. ”Eventually，Nextdoor plans to tap into localadvertising，he said.Nextdoor is currently used in 22，527 neighborhoods across the United States，up from 5，694 a year ago. Including the latest funding round，it has raised just over $100 million.12. What attitude do the early backers of technology grant hold towards Nextdoor?A. They doubt its value.B. They think poorly of it.C. They are in favor of it.D. They are worried about it.13. What is mainly discussed about Nextdoor in Paragraph 3?A. Its members.B. Its service.C. Its value.D. Its location.14. What is the author’s purpose of mentioning Twitter in Paragraph 4?A. To support his viewpoint.B. To post an advertisement.C. To introduce a network.D. To makea public offer.15. How does Nirav Tolia feel about the future of Nextdoor?A. Curious.B. Upset.C. Cautious.D. Optimistic.第二节（共5小题；每小题2分，满分10分）阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。
2020年深圳外国语学校高三英语期中试题及答案解析
2020年深圳外国语学校高三英语期中试题及答案解析第一部分阅读（共两节，满分40分）第一节（共15小题；每小题2分，满分30分）阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项ATheatre and film fans will be excited about what's on stage and on screen.THEATRE☆Take in a Broadway show at Mirvish Venues. The Grand Theatre hosts plays and musicals in London, Ontario. The building dates back to 1901 and starts a rare architectural feature.☆In the heart of Ontario's bread-basket, treat yourself to uniquely Canadian modern productions at the Blyth Festival in Goderich.☆Ontario becomes popular on the stage as theatre festivals. The Stratford Festival produces classic productions mainly on Shakespeare in Stratford. Works by Bernard Shaw, the founder of social realism in English literature enrich the stage at the Shaw Festival in Niagara-on-the-Lake.FILM☆Expand your mind with great modem, independent film during the Reel Asian FilmFestival or visit the TIFF Bell Lightbox for exhibitions related to film and theatre.☆Making productions that don't reach half an hour by new filmmakers, the Breakthroughs Film Festival provides some of the most video movies.☆Five amazing programs feature films from across the globe during the Durham Region International Film Festival.☆One of the top film festivals in the world, the 'Toronto International Film Festival features everything from mainstream Hollywood productions to international cinema.COMEDY☆For a laugh, head to a comedy club. Absolute Comedy, Second City and Yuks Yuks all specialize in finding your funny bone.☆The Toronto Alliance for the Peforming Arts will keep you up to date on what 's playing onToronto's stages; you can look through their “TOnight” for on-the-go performing arts tickets, reviews and searches on your mobile.1. Where should those preferring realistic dramas go?A. London.B. Stratford.C. Goderich.D. Niagara-on-the-Lake.2. What does the Breakthroughs Film Festival focus on?A. Short films.B. Films across the world.C. Modern films.D. Films by young directors.3. What might “TOnight” be?A. A comedy.B. An application.C. A guidebook.D. An organization.BThere have been many fine films over the past several years aboutcharacters struggling with Alzheimer’s disease. But few of them have gone as deeply and frighteningly into the corners of adeterioratingmind as The Father,a powerful new drama built around a spellbinding performance from Anthony Hopkins.At this point in his long career,Hopkinswould seem to have exhausted his ability to surprise us, but his work here is nothing short of astonishing. His character, also named Anthony, is 80 years old and has dementia. At the beginning of the movie, his daughter, Anne — played by Olivia Colman — stops by hisLondonapartment to check on him. Her father's condition has taken a turn for the worse, and his temper has become severe enough to send his latest live in nurse packing. Anthony is stubborn and defiant and insists that he can manage on his own. But that's clearly not the case, given his habit of misplacing his things and his inability to remember names and faces, Anne's included.As The Father goes on, the more it becomes clear that it's his own mind that's playing tricks on him. What makes the movie so unsettling is the way it wires us directly into his subjective experience, so that the foundations of the story seem to shift at random from scene to scene. A man suddenly appears in the apartment, claiming to be Anne's husband, which is odd, since just a few moments earlier, Anne seemed to be single. Anne goes out shopping for groceries, but when she returns, she's played not by Olivia Colman but by another actress, Olivia Williams. Even the apartment itself begins to shift. You notice puzzling differences-wasn't there a lamp on that hallway table just a moment ago?The story in The Father may be complicated but it's also heartbreakingly simple: man grows old and loses his memory, and his daughter, after lifetime of love and devotion, must begin the long painful process of saying goodbye.Hopkinsshows us Anthony's struggle to keep his sense about him. It's a striking performance-and an impossible one to forget.4. What does the underlined word “deteriorating” mean in the first paragraph?A. Worsening.B. Narrowing.C. Recovering.D. Improving.5. What do we learn about the character Anthony in the movie?A. He can take care of himselfB. He drives away the nurses.C. He is easy-going and forgetful.D. He lives with his daughter all the time.6. The shift of scenes in the movie is designed to .A. build the dramatic tension in the family.B. show off the well-designed story line.C. frighten the movie-goers with mysterious plot.D. involve the viewers into thedisordered memories.7. What does the author think ofHopkins?A. He has run out of his talent.B. He is not suitable for the roleC. He masterly plays the old man.D. He presents an odd performance.CIn life，once on a path，we tend to follow it，for better or worse.What's sad is that even if it's the latter，we often accept it anyway because we are so used to the way things are that wed don't even recognize that they could be different This is a phenomenon psychologist call functional fixedness.This classic experiment will give you an idea of howitworks and a sense of whether you may have fallen into the same trap: People are given a box of tacks (大头钉) and some matches and asked to find a way to attach a candle to a wall so that it burns properly.Typically, the subjects try tacking the candle to the wall or lighting it to fix it with melted wax. The psychologists had, of course, arranged it so that neither of these obvious approaches would work. The tacks are too short, and the paraffin (石蜡) doesn't stick to the wall. So how can you complete the task? The successful technique is to use the tack box as a candle-holder. You empty it, tack it to the wall. and stand the candle inside it. To think of that, you have to look beyond the box's usual role as a receptacle just for tacks and re-imagine it serving an entirely new purpose. That is difficult because we all suffer to one degree or another from functional fixedness.The inability to think in new ways affects people in every corner of society. The political theorist Hannah Arendt coined the phrase“frozen thoughts”to describe deeply held ideas that we no longer question but should. In Arendt's eyes, the self- content reliance on such accepted “truths”also made people blind to ideas that didn't fit their worldview, even when there was plenty of evidence for them.Frozen thinking has nothing to do with intelligence, she said,“It can be found in highly intelligent people.”8. What does the underlined word“it”in paragraph 2 refer to?A. The experiment.B. Functional fixedness.C. The path.D. The thinking.9. Which way is hard to think of to complete the task?A. Tacking the candle to the wall.B. Fixing the candle with melted wax.C. Using the tack box as a candle-holder.D. Lighting the candle tostand it.10. Which of the following statements will Hannah Arendt agree with?A. People should question.B. We should be used to the way things are.C. People shouldn't accept the idea that doesn't fit their worldview.D. The smarter people are，the more open to the new things they are.11. What's the passage mainly about?A. An interesting experimentB. A psychological phenomenon.C. A theory to be proved.D. The opinion of Hannah Arendt.DWatching what you eat can be easier said than done, but a recent study shows it might not just be about what's on your plate — it could be about how quickly it disappears.Japanese researchers followed 1,083 adultsfor five years, splitting them into three categories based on how quickly they ate: slow, normal, and fast. They also answered a questionnaire at the beginning of the study, sharing their diet, physical activity, and medical history. In the beginning, none of the volunteers had metabolic syndrome (新陈代谢综合征) - meaning at least three risk factors — which can lead to health problems like heart conditionsand diabetes.When the participants reported back five years later 84 had been diagnosed (诊断) with metabolic syndrome — and their eating speed was a major predictor, according to the results in the journal Circulation. The fast eaters were 89 percent more likely to have metabolic syndrome than slow and normal eaters. Just 2.3 percent of slow eaters received the diagnosis, compared to 11.6 percent of fast eaters. But that's not all. Fast eaters also saw more weight gain, larger waistlines, and higher blood sugar levels than slow eaters.The researchers saygobblingmakes it easier not to take notice of fullness before your body has a chance to signal you to stop. “So when people eat fast they are more likely to overeat,” said Takayuki Yamaji, MD, study author and cardiologist at Hiroshima University in Japan in a statement.Previous research backs up the weight benefits of slow eating, too. One study of New Zealand women found fast eaters have higher body-mass indexes (指数), and a Chinese study found that both healthy and fat men ate less when told to chew 40 times instead of 15 times before swallowing. Initial research even suggests chewing your food longer could bum more calories - up to about 1,000 extra every month.12. What are the participants divided by?A. Medical history.B. Health condition.C. Physical activity.D. Eating speed.13. Which may be the result of the study?A. Fast eaters are 4 times more likely to have metabolic syndrome.B. Normal and slow eaters don’t have metabolic illness.C. 89% of fast eaters have higher blood pressure.D. Slow caters are healthier than fast eaters.14. What does the underlined word “gobbling” in Paragraph 4 best mean?A. Tasting slowly.B. Digesting quickly.C. Eating greedily.D. Cooking carefully.15. What does the last paragraph tell us?A. The importance of eating speed.B. The advantage of eating slowly.C. The result of a Chinese study.D. Fast eating and overeating.第二节（共5小题；每小题2分，满分10分）阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。
2020年深圳外国语学校高中部高三英语上学期期中考试试卷及参考答案
2020年深圳外国语学校高中部高三英语上学期期中考试试卷及参考答案第一部分阅读（共两节，满分40分）第一节（共15小题；每小题2分，满分30分）阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项AArtificial intelligence (Al) is practically everywhere today. There are so many products out there which use Al. Some are being developed, some are already in use, and some failed and are being improved, so it’s very difficult to name a few of them and regard them as the best.ViIt is an Al personal trainer which is mainly concerned with fitness and coaching. It, however, requires the use of bio-sensing earphones and other fitness tracking equipment! It can play your favourite music while you work out and all you have to worry about is the exercise you're doing.Deep TextDo you ever wonder how an ad appears suddenly just when you are looking for something similar? This is because of Deep Text. It uses real-time consumer information to produce data which in turn is used to target consumers. Thus, if you search online for flight tickets fromBangaloretoDelhi, it is very likely that an ad relating to hotels inDelhiwill soon follow.Hello EggIf you live alone and miss your mother because you always miss your breakfast or don’t know what to eat for dinner, then Hello Egg is exactly what you are looking for. A very healthy choice of the 2-minute noodles and oats, Hello Egg provides you with a detailed weekly meal plan about the needs of your body. It is truly a modern AI-powered home cooking tool for the young.WordsmithYou can put Mr. Smith into your Microsoft Excel using their free API, and let it write up detailed analysis of the stories behind your numbers. It can produce detailed reports on thousands of pages of spreadsheets in seconds.1. What can we learn about Vi from the text?A. It is an AI music player.B. It is a bio-sensing earphone.C. It doesn't work without bio-sensing earphones.D. It can make you more energetic while you work out.2. Which can help you improve cooking skill?A. Deep Text.B. Vi.C. Wordsmith.D. Hello Egg.3. What can Wordsmith do for us?A. Produce a detailed report.B. Provide us with a detailed meal plan.C. Book a ticket ahead of time.D. Offer us information on hotels for traveling.BScientists have recently discovered thatAndean condors (秀鹫)— some of the world’s largest birds——barely flap their wings at all while flying. Instead, they use rising air currents to remain in the air for hours.The Andean condor is the world’s largest soaring bird. They can weigh up to 15 kilograms. Their wings, when spread out, measure up to three meters. Their main food source is the meat of large animals which have died. Soaring high in the sky allows condors to easily spot possible meals on the ground.Scientists worked together to study the flight patterns of these huge birds and how much effort the birds use when flying. To study the birds while they were in the sky, the researchers attached special devices which could record every beat of their wings.The scientists learned that most of the condors’ flapping— over 75%— came when the birds were taking off. Once in the sky, the birds flew for very long periods of time without flapping at all. In fact, they only flapped their wings for 1% of the time they were in the air. One bird flew for over five hours without flapping, covering nearly 117miles.Soaring without flapping is important because birds bum energy every time they flap their wings.The birds’ soaring isn’t magic. They use the fact that hot air rises to keep themselves up. As hot air rises, it often creates “thermals”— currents of warm air moving upward. The condors soar by making use of these thermals. The tricky part is finding thermals and moving between them.When birds are forced to land and take off again often, it costs them a lot of energy. The researchers learned that to avoid having to land, the condors did most of their non-take-off flapping when they were closer to the ground and looking for a new thermal.The scientists reported that even though all of the condors they studied were young, they knew well how totake advantage of the air currents.4. What can we learn about the Andean condor from the text?A. They live mairly on small animals.B. Their wingspan is at least three meters.C. They rely on hot air to remain high in the sky.D. They are the birds with the strongest flying ability.5. Why was the equipment tied to the birds?A. To measure how far they could fly without flapping.B. To keep track of how often they flapped while flying.C. To calculate the energy required for their flight.D. To confirm their flight patterns.6. Which of the following acts consumes the most energy for a condor?A. Hunting for food.B. Flying in the sky.C. Getting off the ground.D. Landing on the ground.7. What can we infer from the text?A. Condors flap the most when looking for a new thermal.B. No condor can fly for more than five hours without flapping.C. Condors don’t need to look for thermals when soaring in the sky.D. Soaring by using thermals is probably a natural ability of condors.CFairy tales perform many functions. They entertain, encourage imagination and teach problem—solving skills. They can also provide moral lessons, highlighting the dangers of failing to follow the social codes that let human beings coexist in harmony. Such moral lessons may not mean much to a robot, but a team of researchers at Georgia Institute of Technology believes it has found a way to use the fairy tales as moral lessons that AI (artificial intelligence) can take to its cold, mechanical heart.The collected stories of different cultures teach children how to behave in socially acceptable ways with examples of proper and improper behavior in fables, novels and other literature. We believe story comprehension in robots can prevent the intelligent robots from killing humanity which was predicted and feared by some of the biggest names in technology including Stephen Hawking and Bill Gates. This system is called “Quixote” (堂吉诃德). It collects story plotsfrom the Internet and then uses those stories to teach robots how to behave.The experiment done by the designers involves going to a drugstore to purchase some medicine for a human who needs to get it as soon as possible. The robot has three options. It can wait in line; it can interact with the store keeper politely and purchase the medicine with priority; or it can steal the medicine and escape. Without any further directives(指令), the robot will come to the conclusion that the most efficient means of obtaining the medicine is to steal it. But Quixote offers a reward for waiting in line and politely purchasing the medicine and a punishment for stealing it. In this way, the robotwill learn the moral way to behave on that occasion.Quixote would work best on a robot that has a very limited function. It’s a baby step in the direction of teaching more moral lessons into robots. We believe that AI has to be trained to adopt the values of a particular society, and in doing so, it will strive to avoid unacceptable behavior. Giving robots the ability to read and understand our stories may be the most efficient means.8. What function do fairy tales perform in the robots?A. They entertain robots.B. They highlight dangers.C. They make robots more intelligent.D. They enable robots to behave morally.9. What is “Quixote” in the text?A. A punishment systemB. A character in literatureC. A big name in technologyD. A software educating robots.10. What does the designer expect robot to do in the experiment?A. To take advantage of its privilege.B. To finish the task most efficiently.C. To perform in a good mannered way.D. To be rewarded by the storekeeper111. Which of the follow can bestexpress the author’s opinion?A. Robots will definitely have more functions.B. Robots with human’s emotions are perfect.C. Training robots to be socially acceptable is necessary.D. The development of robots is still in a baby step.DSusan Scott, 71, is glad that she didn't think about her age when she took up bodybuilding at the age of 59.“I reinvent myself every ten years. I started my 60s as a bodybuilderand now I'm beginning my 70s as a writer,” she said. “People usually limit themselves by age, and it's discouraging. With age, I remain young at heart.”Dr Susan started bodybuilding at an age when most are considering retirement though she was an athlete from an early age. As a child in Venezuela, she took to gymnastics and later graduated with a physical education degree.Then she obtained a master's degree in education and later a Ph. D. in Adult Personal Development. She taught at Cambridge Rindge and Latin High School in Cambridge, Massachusetts, for 16 years, while raising two daughters.“I started bodybuilding when I met Steve Pfiester, a gym guy who practiced yoga. He invited me to his gym and offered to train me. I started in January and in June he took me to my first competition in Bradenton, Florida,” she recalled.Dr Susan's photos show that she has devoted long hours to taking care of her body. But she also develops her mind and spirit. On any given day, she gets up at 3 am to read books. At 4:30 am she's out to walk three miles and run another three. This is followed by yoga and a swim at the beach while the sun rises. After writing her journal and working on her book between 8 and 10 am, she hits the gym for at least two hours. “I don't lose track of time,” she said.Dr Susan's war on ageism has rubbed off on her two daughters, both in their early thirties. “They both take care of their bodies and minds. If you give them a good foundation as a parent, you know that they will always come back to their roots. I tried to remind myself of that during their difficult teen years.”12. What's Dr Susan's opinion on age?A. Age cannot be hidden.B. Age is a state of mind.C. Every age has its pains and sorrows.D. Old age is not suitable for further study.13. What made Dr Susan start bodybuilding?A. The need of her job.B. Her youthful dream.C. Steve Pfiester's influence.D. Her daughters' encouragement.14. Which of the following best describes Dr Susan's morning schedule?A. Dull.B. Tight.C. Flexible.D. Controversial.15. What can be inferred about Dr Susan from the last paragraph?A. She will set up a fitness foundation.B. She will soon return to retirement.C. She often thinks of her teenage years.D. She sets an example to her daughters.第二节（共5小题；每小题2分，满分10分）阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
A．1s 末物体运动方向发生改变 B．在 0～3s 时间内，物体的平均速度大小为 1m/s C．1～3s 内物体加速度是 5～6s 内加速度的 2 倍 D．0～6s 内物体发生的位移为 1m 11．物体沿一直线运动，下列说法中正确的是( ) A．物体在第一秒末的速度是 5 m/s，则物体在第一秒内的位移一定是 5 m B．物体在第一秒内的平均速度是 5 m/s，则物体在第一秒内的位移一定是 5 m C．物体在某段时间内的平均速度是 5 m/s，则物体在每一秒内的位移都是 5 m D．物体在某段位移内的平均速度是 5 m/s，则物体在经过这段位移中间时刻的速度一定是 5 m/s
A．C 与地面间的摩擦力总等于 2μG 不变 B．θ 角增大时，地面对 C 的摩擦力可能先增大后不变 C．要保持底座 C 静止不动，应满足 tanθ≥2μ D．若保持 θ=45°不变，圆柱体重力增大 ΔG，仍要保持底座 C 静止，则 ΔG 的最大值
2 1 ΔGm= 1 G 24．两个中间有孔的质量均为 M 的小球用一轻弹簧相连，套在一水平光滑横杆上，两个小 球下面分别连一轻弹簧．两轻弹簧下端系在同一质量为 m 的小球上，如图所示.已知三根 轻弹簧的劲度系数都为 k，三根轻弹簧刚好构成一个等边三角形．则下列判断正确的是：
B．伽利略发现亚里士多德的观点有自相矛盾的地方
C．伽利略认为，如果没有空气阻力，重物与轻物应该下落得同样快
D．伽利略用实验直接证实了自由落体运动是初速度为零的匀速直线运动
5．如图所示，一个物体受到 1N、2N、3N、4N 四个力作用而处于平衡．现保持 1N、3N、
4N 三个力的方向和大小不变，而将 2N 的力绕 O 点旋转 60°，此时作用在物体上的合力大
A．蚂．蚁．在拖动饭粒时，2min 爬行的路程 B．研究一．列．队．伍．过桥的时间问题 C．裁判给参加比赛的艺．术．体．操．运．动．员．的比赛打分 D．研究地．球．的昼夜更替
20．下列说法正确的是（ ） A．两个物体只要相互接触就一定会产生弹力
B．两个物体间的滑动摩擦力总是与物体运动方向相反 C．一本书在桌面上静止，书对桌面有压力是因为书发生了弹性形变 D．静止在斜面上的物体对斜面的压力等于物体受到的重力
A．物体通过每一部分时，其速度增量 vB− vA = vC − vB= vD − vC = vE − vD
B．物体通过各点的瞬时速度之比为 vB ：vC ：vD ：vE = 1： 2 ： 3 ：2 C．物体由 A 点到各点所经历的时间之比为 tB ：tC ：tD ：tE = 1： 2 ： 3 ：：2
（1）为了更准确得到合力与分力的关系，要采用作力的______(填“图示”或“示意图”) 来表示分力与合力； （2）图甲中左侧测力计读数是________N （3）图乙中方向一定沿 AO 方向的力是________(填“ F ”或“ F′ ”)。 28．图甲为某同学用力传感器去探究弹簧的弹力和伸长量的关系的实验情景．用力传感器 竖直向下拉上端固定于铁架台的轻质弹簧，读出不同拉力下的标尺刻度 x 及拉力大小 F （从电脑中直接读出）．所得数据记录在下列表格中：
12．每年的端午节，丽水南明湖上龙舟比赛总是热闹非凡，如图是龙舟在进行 500m 的直 道比赛，下列说法正确的是( )
A．研究队员的划桨动作，可将队员看做质点
B．以龙舟为参考系，岸上站立的观众是静止的
C．获得第一名的龙舟，撞线时的速度一定很大
D．获得最后一名的龙舟，平均速度一定最小
13．某质点向东运动 12m，又向西运动 20m，又向北运动 6m，则它运动的路程和位移大
C．跳水运动员踩压跳板弯曲到最低点时，运动员对跳板的压力由跳板发生形变而产生
D．惯性是由物体的速度和质量共同决定的
9．“空手把锄头，步行骑水牛，人从桥上过，桥流水不流。”是《中国诗词大会》某期节目
里选用的古诗，从物理学的角度看，其中“桥流水不流”所选择的参考系是：
A．水
B．牛
C．桥
D．锄头
10．如图是物体在水平面上运动的 v-t 图象，以下判断正确的是（ ）
时，此后匀减速上浮，经过时间 t 上浮到海面，速度恰好为零，则蛟龙号在 t0 t0 t 时刻
距离海平面的深度为（ ）
A． vt 2
B．
vt0
1
t0 2t
8．下列说法正确的是
C． vt02 2t
D． v t t0 2
2t
A．竖直上抛物体到达最高点时，速度为零，物体处于平衡状态
B．人站在电梯中随电梯一起运动时，当电梯减速下降时，电梯对人的支持力大于人的重力
A．顾客始终受到静摩擦力的作用 B．顾客受到的支持力总是大于重力 C．顾客对扶梯作用力的方向先指向右下方，再竖直向下 D．顾客对扶梯作用力的方向先指向左下方，再竖直向下 16．如图所示，两块相同的木板紧紧夹住木块，一直保持静止，木块重为 40 N，木块与木 板间的动摩擦因数为 0.3，若左右两端的压力 F 都是 100 N，则整．个．木．块．所受的摩擦力大小 和方向是
具而束手无策的时候,曹冲称量出大象的质量,体现了他的智慧,被世人称道．下列物理学习
或研究中用到的方法与“曹冲称象”的方法相同的是（ ）
A．“质点”的概念
B．合力与分力的关系
C．“瞬时速度”的概念
D．研究加速度与合力、质量的关系
4．下列叙述中不符合历史事实的是（ ）
A．古希腊哲学家亚里士多德认为物体越重，下落得越快
小为( )
A．2 N
B． 2 2 N
C．13 N
D． 3 3 N
6．如图所示，此时表演者静止在弯曲倾斜的竹竿上，则下列说法正确的是（ ）
A．表演者对竹竿的弹力是由竹竿形变产生的 B．表演者对竹竿的力竖直向下 C．表演者对竹竿的摩擦力一定为零 D．表演者对竹竿的力大于竹竿对表演者的力 7．水下潜水器某次海试活动中，完成任务后从海底竖直上浮，从上浮速度为 v 时开始计
D．下滑全程的平均速度 v = vB
三、实验题
26．在“探究弹力和弹簧伸长关系”的实验中，某实验小组据不同数量的钩码分别挂在竖 直弹簧的下端，进行测量，根据实验所测数据，利用描点法作出了所挂钩码的重力 G 与弹 簧总长 L 的关系图象，如图所示。根据图象回答以下问题。
（1）弹簧的原长为________m； （2）弹簧的劲度系数为________N/m； （3）分析图象，总结出弹簧弹力 F 距弹簧长度 L 之间的关系式为________。（所有物理量 都是国际单位） 27．“验证力的平行四边形定则”的实验如图甲所示，其中 A 为固定橡条的图钉，P 为橡 皮条与细绳的结点，用两把互成角度的弹簧秤把结点 P 拉到位置 O。弹簧秤的示数为 F1、 F2， 为单独用一根弹簧拉到 O 点时的读数，F 是用平行四边形法则求出 F1、F2 的合力。
二、多选题
21．质点做直线运动的 v-t 图象如图所示，则（ ）
A．3 ~ 4 s 内质点做匀减速直线运动 B．3 s 末质点的速度为零，且运动方向改变 C．0 ~ 2 s 内质点做匀加速直线运动，4 ~ 6 s 内质点做匀减速直线运动，加速度大小均为 2 m/s2 D．6 s 内质点发生的位移为 8 m 22．如图所示，在倾角为 α 的传送带上有质量均为 m 的三个木块 1、2、3，中间均用原长 为 L、劲度系数为 k 的轻弹簧连接起来，木块与传送带间的动摩擦因数均为 μ，其中木块 1 被与传送带平行的细线拉住，传送带按图示方向匀速运行，三个木块处于平衡状态．下列 结论正确的是：
A．水平横杆对其中一个小球的支持力为 Mg+mg B．连接质量为 m 小球的其中一个轻弹簧的伸长量为
C．套在水平光滑横杆上的轻弹簧的形变量为
D．连接质量为 m 小球的其中一个轻弹簧的弹力为 25．如图，光滑斜面 AE 被分为四个相等的部分，一物体从 A 点由静止释放，它沿斜面向下 做匀加速运动。依次通过 B、C、D 点，最后到达底端 E 点，下列说法正确的是（ ）
拉力大小 F/N 0．45
0．69
0．93
1．14
1．44
1．69
标尺刻度 x/cm 57．02 58．01 59．00 60．00 61．03 62．00
（1）从图乙读出刻度尺上的刻度值为___cm； （2）根据所测数据，在图丙坐标纸上作出 F 与 x 的关系图象___； （3）由图象求出该弹簧的劲度系数为___N/m、弹簧的原长为____cm．（均保留三位有效 数字） 29．打点计时器是高中物理中重要的物理实验仪器，图中甲、乙两种打点计时器是高中物 理实验中常用的，请回答下面的问题．
深圳外国语学校 2020 年期中单元测试
一、选择题
1．如图所示是 A、B 两质点从同一地点运动的 x﹣t 图象，则下列说法正确的是（ ）
A．B 质点做曲线运动
B．A 质点 2s 时的速度为 20m/s
C．B 质点前 4s 做加速运动，4 秒后做减速运动
D．前 4s 内 B 的位移比 A 要大
2．2018 年 7 月 1 日，具有完全自主产权的我国加长版“复兴号”动车组正式在京沪线上运
列说法中正确的是
A．在 100m 全程中，苏炳添任意时刻的瞬时速度一定都比亚军选手的大
B．比赛过程中，苏炳添起跑时的加速度一定比亚军选手的大
C．苏炳添以 9.92 s 夺得金牌，9.92 s 指的是时间
D．苏炳添的 100 m 成绩为 9.92 s，说明他通过终点的瞬时速度约为 10.08 m/s
19．下列各种情况中，可以把研究对象（加点者）看作质点的是
(1)甲图是________打点计时器，采用的是________交流电源．(填 “低压”、“220V”) (2)乙图是________打点计时器，采用的是________交流电源．(填 “低压”、“220V”) (3)在某次实验中，物体拖动纸带做匀加速直线运动，打点计时器所用的电源频率为 50 Hz，实验得到的一条纸带如图所示，纸带上每相邻的两个计数点之间都有 4 个点未画 出．按时间顺序取 0、1、2、3、4、5 六个计数点，实验中用直尺量出各计数点到 0 点的 距离如图所示(单位：cm) ①在计数点 1 所代表的时刻，纸带运动的瞬时速度为 v1＝________ m/s，物体的加速度 a ＝_______ m/s2.(保留两位有效数字) ②该同学在测量的时候没有将计数点 5 的数值记录下来，根据前面的数值可以推算出计数 点 5 到 0 点的距离为______cm.