人教版高中英语必修三同步练习题 Unit 4 综合能力提升练(含答案)
人教版高中英语必修三同步练习题 Unit 1 综合能力提升练(含答案)
一、根据语境及首字母提示完成句子1．He had enormous c and a great sense of humour.2．For many Chinese, Spring Festival celebrations will not be the same without f .3．The peasants depend on a good h for their very existence.4．The question of the o of the universe is still hotly debated by scientists.5．What you said on the o was not appropriate.6．This is not t of Chinese, but is a feature of the English language.7．The paper flowers are bright and colorful, so they were used to d the whole store.8．She was presented with the gift in g for her long service.9．You have to maintain the balance between good and e .10．The bride and groom were showered with rice as they left the c .【答案】1.charm2.firecrackers3.harvest4.origin5.occasion6.typical7.decorate8.gratitude9.evil 10.church二、单句语法填空1．This (joy) show will please everyone, from the youngest to the oldest.2．(commercial) has given many sports a higher profile.3．Figure what you most want, and then do it.4．My (believe) is that you should have excellent academic performance if you want to succeed in life. 5．Usually a child’s behaviour is a (reflect) of his family environment.6．Chinese New Year is a celebration (mark) the end of the winter season and the beginning of spring. 7．To our great surprise, there is a (significance) difference between the two languages.8．The island has developed into a famous scenic spot, (feature) sightseeing, shopping, and tasty foods. 9．The (medium) play a major role in influencing people’s opinions.10．V arious kinds of (agriculture) products are sold in that supermarket.11．Hide it in a (hide) place where no one ever goes.12．My mother’s job is (raise) chicken and pigs.13．It is an (excite) time, with everybody trying to find out what Chinese culture is about. 14．Some hobbies are (relax) and others are creative.15．We are too (please) to know there is a wide range of dishes to choose from.16．You can visit the whole palace except the private apartments.17．No one is allowed to speak aloud in the (read) room.18．(frank), I am not surprised you failed in the speech contest.19．Her wish is (be) a teacher in the rural area after graduation from the university.20．The meeting (hold) now is so important that no one is absent.【答案】1.joyfulmercialisation3.out4.belief5.reflection6.marking7.significant8.featuring9.media 10.agricultural 11.hiding 12.raising 13.exciting 14.relaxing 15.pleased 16.for 17.reading 18.Frankly 19.to be 20.being held三、阅读(2022·云南省保山市高一下学期期中考试)Christmas TraditionsSince about 400 AD, Christmas Day has been celebrated on 25th December. This date was the old midwinter festival in preChristian times, around the time of the longest night and the shortest day. Christmas in the 21st century has many traditions.Shops can make about 60 percent of their year’s income in the three months before Christmas. So most shops get ready for it in October. The shopping centres are beautifully decorated and stay open late at night. The first time this happened was in 1867 when Macy’s, a famous shop in New York, stayed open until midnight on Christmas Eve (24th December).By midDecember, almost every house, shop and street has a Christmas tree. This tradition was started by the Germans as early as 700 AD. In the northern countries of the world, winter is cold and dark and most trees lose their leaves. The beautiful green trees decorated with lights and coloured glass balls give people hope that spring will come again.Father Christmas is known across the world with his white hair, red coat and big bag of toys. Young children are told that he lives in the north of Finland and makes toys for them. By tradition, he brings the toys to children at midnight, on the night before Christmas.On Christmas day a traditional meal is eaten, usually turkey and a rich, spicy cake. Some people hate Christmas. Others feel it is a magical and exciting time. They love seeing family and friends; they also love the traditions. Love it or hate it, Christmas is a time to look back over the old year and forward to the new one. 1．Christmas has been celebrated ．A．for over 3，000 yearsB．for over 1，600 yearsC．since the start of the 21st centuryD．for 400 years2．Christmas is important for shops because ．A.they can stay open laterB．they are beautifully decoratedC．much of the income is madeD．more people go shopping3．Christmas trees are popular because ．A．they make people think of GermanyB．they are easy and cheap to getC．they lose their leaves in winterD．they make people think of spring4．Which of the following statements cannot be known?A．On Christmas day people love to visit friends.B. Christmas time is loved by some people and hated by others.C．Christmas is a magical and exciting time for all.D．On Christmas day turkey is a traditional meal.篇章导读：本文是一篇说明文。
人教版高中英语选择性必修第三册UNIT4 Section Ⅲ 练习含答案
SectionⅢUsing Language,Assessing Your Progress&Video Time课后·训练提升一、单词拼写.John stood out among the c and was chosen as chairman of the committee..It makes you read the next e to find out what’s going to happen in the novel..His sole m was to make her happy..She got into the car and started the m and set off for home.is one of the major sources of the Chinese culture..A fishing boat sank because of the r sea waves.skilfully guided the ship over the dangerous part of the sea..He made a c to pay the rent on time.1.万一她有个三长两短怎么办?anything should happen to her?2.这种化学变化能放出热和光。
by this chemical change.3.要是没有水,植物就无法生长。
water,no plant could grow.’t for4.作为保持健康的方式,没有什么比得上游泳。
swimming as a means of keeping fit.5.我必须做点什么去报答他的帮助。
.ALike many American people,I have a “bucket list”.It’s something along the lines of the “top-10-things-to-see-or-do-before-you-die” lists published on travel web sites.“Set foot on all seven continents” has always been on my list.This past February,after nearly six months of planning,I was fortunate to be able to knock off two—the most amazing being Antarctica,the other South America.I chose an optimal time to go—summer in the southern hemisphere(半球)—and found a tour company online that was able to accommodate my needs.It is a costly adventure,especially when travelling solo,but the company put together a package for me that was perfect.The company not only got me to the continent,but allowed me the opportunity to set foot on it.Many tour companies will put you on a ship that sails through the area,weaving between islands and giving views of the shore.But to actually set foot on the continent is a rare and impressive treat.One of the tour leaders on our boat estimated that the total number of people who have actually set foot on this land—tourists,scientists and explorers—would only fill a very large football stadium.This is because tourism to Antarctica didn’t really exist until roughly 15 years ago and has only recently taken off in popularity.There are also rules and restrictions for visiting set up by the International Association of Antarctica Tour Operators.Take nothing away,and leave nothing behind.My plan was simple.Arrive in Ushuaia,Argentina,and get on the M/V Orlova,an ice-strengthened Russian ship,to spend 10 days exploring Antarctica.We saw paradise in a frozen form.No traffic noise,no pollution,no road rage—just clear skies,fresh air and undisturbed beauty for miles.Months later,I still wish I could be there sitting with the penguins,taking it all in,smile firmly frozen in place.1.When the author started his travel,what season was it in America?A.Spring.B.Summer.D.Winter.“I chose an optimal time to go—summer in the southern hemisphere...”可知,作者是在美国是冬季的时候出发的。
高中英语必修三unit4 课时练习(word版附答案)
Ⅰ、.单词拼写Unit 4 Period 11.M 2 and 6 together and you can get 12.2.Somking is h to your health ,so you should give it up or at least cut down on it.3.It is thought that every v storm will eventually give way to sunshine.4.W hat p me is why the couple had a violent quarrel last night .I have the impression that they always get along well with each other.5.O pportunities （存在）in our company for experienced engineers .6.T he （氛围）of the picnic is very friendly .Children are having fun with each other .7.She was so quiet that all of us didn’t notice her（存在，到场）.8.Fresh air is （基础的）to good health ,so we should make every effort to improve air quality:9.He has broken the world record , （因此）winning his first gold medal.10. （与……不同）many of the students ,he is interested in astronomy.Ⅱ、用方框中所给短语的适当形式填空。
1.My sister a lovely baby last night ,which made us very happy.2.He lost a game in two years .3.Not all the animals on the earth produce young by .4.We students clean the classroom every day .5.Although we met with some difficulty , we successfully completed the project . Ⅲ、单句语法填空1.The study shows that the violent scenes in movies and TV are harmful children.2.The woman who gave birth the twins last night might turn out to be a film star.3.T hat’s really a （puzzle ）problem; no wonder all the students looked（puzzle）.4.S ocial attention should be paid to prevenging our earth from（pollute）.5.T om’s father is so (violence）that Tom is afraid to tell him he has failed.Ⅳ、单句完形填空1.D on’t worry .I’m sure things will get better .A. in timeB. on timeC. at timesD. at the time2.R ecently a kind of industrial glue which is to people’s health has been found in some medicine.A. harmfulB. harmlessC. sensitiveD. friendly3.The deer quickly when the animals , harmful to them ,disappeared .A. multipliedB. producedC. laidD. developed4.The earth is a rocky planet where there is liquid water ,which is necessary for life to .A. comeB. existC. standD. happen5.H e worked day and night, paying off his debts within two years.A. andB. stillC. alsoD. thus6.T he bus driver asked the passengers not to hurry and get on the bus .A. in turnB. in returnC. in timeD. in casegive birth to , in time ,for the first time , lay eggs ,in turnPeriod 2Ⅰ、用适当的连接词填空。
人教版高中英语选择性必修第三册UNIT 4 Part II Learning 同步练习含答案
课时把关练Part II Learning About Language词汇专项练Ⅰ. 单词拼写1. Animal rights advocates argue that zoos are really animal prisons and very often c（残忍的）.2. In an attempt to find the lost treasure，they made a t（彻底的）search of the house.3. We thought of selling this old f（家具），but we’ve decided to hold on to it. It might be valuable.4. U（不幸地），her works did not attract much attention in the 1930s and 1940s.5. If you put on d（潮湿的）clothes in such weather，you will probably catch cold.6. All the family members need to have their own interests and r（娱乐活动）.7. I would like to apply for the position which was a（做广告）in yesterday’s newspaper.Ⅱ. 根据汉语提示完成句子1. The morning sun rises in the east，casting its rays （向四面八方）.2. I was very （对……热情）the lecture，but his remark on it made me disappointed.3.Mr. Johnson was grateful for and （为……感到骄傲）his son’s remarkable performance.4. We decided to （尽力）to solve the problem，however difficult it was.5.（在他的指导下），the workers finally managed to solve the problem ahead of schedule.6. Organized games can teach us how to （团队合作）and get along with others.7. All of us were shocked to hear the boy talking （以粗鲁的方式）.8. You have to learn to take down the key points （即使）you don’t take them in.语法专项练Ⅲ. 单句语法填空1. I’m sure you will do better in the test because you （study）so hard this year.2. Tom （work）in the library every night over the last three months.3. —We’ve spent too much money recently.—Well，it isn’t surprising. Our friends and relatives （come）around all the time.4. Mother wanted to be a good provider，a role she （shoulder）since her marriage to father.5. —Why，Jack，you look so tired!—Well，I （paint）the house and I must finish the work tomorrow.6. Joseph （go）to evening classes since last month，but he still can’t say“What’s your name?”in Russian.7. —Why do you want to work for our company?—This is the job that I （look）for.8. —Where is Peter? I can’t find him anywhere.—He went to the library after breakfast and （write）his essay there ever since.9. —Sir，I’m here.—Please listen. I （consider）asking your parents to come to our school，but I’d like to hear your opinion first.10. Little Tom should be up because he （sleep）for nine hours.Ⅳ. 根据汉语提示完成句子1. My sister （一直在寻找）a job for three months，and this is her formal interview.2. The kids are dirty all over because they （一直在玩）in the mud all the morning.3. —I’m sure Andrew will win the first prize in the final.—I think so. He （一直在做准备）it for months.4. —I have got a headache.—No wonder. You （一直坐在）in front of that computer too long.5. Cathy is taking notes of the grammatical rules in class at Sunshine School，where she（一直在学习）English for a year.6. It’s hard to tell exactly how many people agree with him，but research indicates that the numbers（一直在上升）for some time.V.语法填空AI 1 （hear）a strange sound for a while. It’s a deep，loud roar，like a lion’s. But there aren’t any lions here... Or are there? Soon I see what 2（make）the noise：a howler monkey. Now I feel less worried. Realising that something 3（move）on my shoulder，I turn my head to look at it. Oh no! It’s a giant spider!I brush it off and it runs under some leaves. I try to bat away the huge insects，which 4（fly）around my head in a black cloud for quite a while. I pull off the headset and I’m back in my living room. Thank goodness! I5 （give）the latest virtual reality headset and，for the last twenty minutes，I 6（use）it to explore the Amazon. This is an amazing experience and a reminder of how many species there are in the rain forest. We must do all we can to protect itBIt 1 _______________(estimate) that over 30 million people worldwide have lost arms or legs，and many of them fail to get the help that they need. For some time，they 2_______________(hope)for better-quality artificial limbs. Fortunately，one exciting new advance could help these physically disabled people lead a normal life again：robotic limbs.Over the last few years，scientists 3_______________(develop) new kinds of artificial limbs to help people overcome their disabilities. Robotic limbs can do much more than conventional artificial limbs. Some of the earliest artificial limbs were made of wood and leather，and until recently，artificial limbs 4_______________( only serve) basic functions. With the advancement in robotic technology，artificial limbs can now perform much more complex tasks and come closer to real human limbs. Not only can they make a much wider range of movements，but they can also be controlled directly by the brain and feed sensory information back into it.David Jones is one of a team of scientists devoted to making even better robotic limbs. “ We 5_______________( do) everything we can to advance this technology and we will not take out a patent on it，” said David. “Hopefully，more and more people in need of robotic limbs will be equipped with them and enjoy a higher quality of life.”课时把关练Part II Learning About Language参考答案Ⅰ. 1. cruel2. thorough 3. furniture4. Unfortunately 5. damp 6. recreations7. advertisedⅡ. 1. in all directions2. enthusiastic about3. proud of 4. try our best 5. Under his guidance 6. work as a team 7. in a rude manner8. even thoughⅢ. 1. have been studying句意：我确信你将在这次考试中做得更好，因为这一年你一直用功学习。
高中英语(新人教版)必修第三册课后习题：UNIT 4 Section B(课后习题)【含答案及解析】
Section B Reading and Thinking必备知识基础练Ⅰ.单句填空1.Babies are not born knowing the basic fact of universe.2.She (signal) a passing taxi and asked him to take her to the railway station.3.The professor was delighted to find that two thirds of the project had been finished by the students (independent).4.I handed out my resumes and went home feeling very (disappoint).5.While (intelligence) people can often simplify the complex,a fool is more likely to complicate the simple.6.Johnny broke away and ran outside,determined never (go) to another dance.7.Our feelings of well-being at any moment are (determine) to a certain degree by genes.8.He has improved greatly at piano playing after a year’s (far) study.9.Chang’e 4 has been sent (explore) the far side of the moon.10.It took him a long time (acquire) the skills he needed to become a good dancer.Ⅱ.短语填空(注意动词的适当形式)1.I come here knowing more about the accident from you.2.They the immigrant who lived upstairs alone and wanted to pay a visit to him.3.She looked around to that she was alone and then entered the nearby bar.4.A high percentage of the crime in this area drug abuse,so the police are taking measures to fight against drugs.5.Why not study at medical college like Lin Qiaozhi and your super work?6.,pay more attention to your health.7.Have the passengers been yet?The plane to Mexico is about to take off.8.We the news that he failed in the election of astronauts.9.It was important for me to my parents financially and mentally.10.She was lucky and entering a college to accept further study.Ⅲ.一句多译1.我们的校长总是每天第一个到达学校。
高中英语新人教版)选择性必修三课后习题：UNIT 4 Section C(课后习题)【含答案及解析】
UNIT 4ADVERSITY AND COURAGESection C Using Language必备知识基础练Ⅰ.单词拼写1.We were only able to make a (粗略的) estimate of how much fuel would be required.2.I am a traveller and (领航员),and every day I discover a new region within my soul.3.Lu Xun was (忠诚的) to the people,bending his back to the task until his dying day.4.The drivers of (发动机) vehicles should pay greater attention to the safety of the pedestrians.5.Her name has been mentioned as a favoured leadership (候选人).Ⅱ.短语填空1.The account information two parts:network and local system.2.We’ve you to visit the Metropolitan Museum of Art.3.The match took nearly three hours and was interrupted by rain.4.How can teachers improve their teaching encourage creativity?5.He is very serious about his work and he this field.6.The course beginners as well as advanced students.Ⅲ.完成句子1.You know,I (一直在寻找) a job for three months,and this is my first formal interview.2.The little boy is dirty all over because he (一直在玩) in the mud all the morning.3.—I’m sure Andrew will win first prize in the final.—I think so.He (一直在做准备) it for months.4.—I have got a headache.—No wonder,you (一直坐在) in front of that computer too long.5.Cathy is taking notes of the grammatical rules in class at Sunshine School,where she(一直在学习) English for a year.关键能力提升练Ⅳ.七选五(2020·江苏泰州中学高二期末)Everybody who has dealt with any minor amount of stress has had the fantasy of packing up and running away from all of their problems,disappearing from the modern world almost entirely.1 But he has done much further than that—and much more selfish.He has created what he calls “The Blockade”,a nearly total media blackout(封锁) that has allowed him to stay 100 percent ignorant of the day’s news outside of the weather,local real estate listings,and how the Cleveland Cavaliers are doing.He doesn’t know about the chaos of Trump’s White House.He doesn’t know about the white supremacists(至上主义者) and neo-Nazis that marched in Charlottesville.2 He doesn’t know who won out at the Oscars.Not only does he not look at newspapers and listen to white noise when he hangs out at a local café,but he also asks his mom not to talk about current events when they chat on the phone.Hagerman’s Blockade means he doesn’t have to worry about the problems of his fellow citizens,his neighbours,or even some of his family members.3 Of course not,because he can afford to have a financial adviser managing all of his investments.As a white male who has the opportunity to make (and save) a lot of money,he isn’t directly affected by many of the things that happen inside his country and to his fellow citizens.It’s OK to tune out every once in a while and unplug or maybe take a break from Twitter for a week.4 If everyone did what Hagerman did,there would be no United States.There would be no democracy.There would be no forward progress or people helping others in times of need.5“The first several months of this thing,I didn’t feel all that great about it,” said he.A.Erik Hagerman has just done that.B.Erik Hagerman is really selfish.C.In fact,Hagerman also feels guilty sometimes.D.However,opting out of the larger world completely does more harm than good.E.Doesn’t he have any friends?F.He doesn’t know about a school shooting.G.Is he worried about his own money?Ⅴ.完形填空Every day I take a walk along the road near my house.A few weeks ago I happened to 1 a nickel (镍币) on the road.I stepped on the 2 and kept walking.After a while I started thinking of my daughter who 3 stopped to pick up loose change.If she saw the nickel,she wouldn’t 4 it.I wanted to go back for it,but I thought it would be 5 if someone saw me picking up a nickel.Later that day I told my daughter about the 6.She didn’t say,“Don’t worry about it.It is only a nickel.”7 she said,“I would have picked it up.When added up,they became something important.”She had forever taken advantage of 8 small opportunities.Deep into the night,I was wondering that it didn’t take long for me to change my 9from that nickel to those small opportunities that I had stepped on 10 passed by.How many opportunities had I lost because I thought they were not important?The next morning I walked along the11 road.I was determined to pick up that nickel if I saw it again.But it was 12.Someone else usually takes advantage of the opportunities that others 13 to pass by.When we decided to take advantage of them,the opportunities were no longer there.Since the day I walked past that nickel,I have paid much attention to small opportunities around me.I began to understand that a small opportunity can serve as the 14 of something bigger.What a great life 15!And it only cost me a nickel.1.A.collected B.noticedC.threwD.spent2.A.street B.floorC.pathD.coin3.A.always B.hardlyC.seldomD.sometimes4.A.want B.valueC.ignoreD.recognise5.A.impossible B.shamingC.pitifuleless6.A.time B.walkingC.nickelD.event7.A.Instead B.StillC.AlthoughD.Thereforeually B.extremelyC.seeminglyD.sadly9.A.thoughts B.plansC.actionsD.attitudes10.A.for B.butC.orD.and11.A.crowded B.wideC.familiarD.same12.A.broken B.goneC.dirtyD.seized13.A.refuse B.arrangeC.chooseD.decide14.A.cause B.beginningC.effectD.chance15.A.experience B.skillC.lessonD.qualityⅥ.语法填空The polar bear is found in the Arctic Circle and some big land masses as far south as Newfoundland.While they are rare north of 88°,there is evidence 1. they range all the way across the Arctic,and as far south as James Bay in Canada.It is difficult to figure out a global population of polar bears as much of the range has been 2. (poor) studied;however,biologists calculate that there are about 20,000-25,000 polar bears worldwide.Modern methods 3. tracking polar bear populations have been employed only since the mid-1980s,and are expensive 4. (perform) consistently over a large area.In recent years some Inuit people in Nunavut 5. (report) increases in bear sightings around human settlements,leading to a 6. (believe) that populations are increasing.Scientists have responded by 7. (note) that hungry bears may be congregating(聚集) around human settlements,leading to the illusion(错觉) that populations are 8. (high) than they actually are.Of 9.nineteen recognised polar bear subpopulations,three are declining,six 10. (be) stable,one is increasing,and nine lack enough data.Section C Using LanguageⅠ.1.rough2.navigator3.loyal4.motor5.candidateⅡ.1.consists of2.arranged for3.at times4.so as to5.is experienced in6.is suitable forⅢ.1.have been looking for2.has been playing3.has been preparing for4.has been sitting5.has been studyingⅣ.【语篇解读】本文是一篇夹叙夹议文。
高中英语(新人教版)必修第三册课后习题：UNIT 4 Section D(课后习题)【含答案及解析】
Section D Reading for Writing&AssessingYour Progress必备知识基础练Ⅰ.单句填空1.We make decisions based on facts and (analysis).2.They may only have a (limit) amount of time to get their points across.3.As a result the cutting down of the forests,the country is now short of water.4.If you do these things (regular),then your life is a success.5.When I opened my book,I found a beautiful card(attach) to the first page,giving me best wishes.Ⅱ.短语填空(注意动词的适当形式)1.His car alarm had been going off for two days and,,the battery was flat.2.Experts say it’s an invaluable social practice that big benefits.3.them have admitted that despite their success,they aren’t happy.4.Many animal welfare organisations care and adoption services homeless animals.5.,I want to thank all our sponsors and supporters for what they have done for us.Ⅲ.完成句子1.他们不得不停了下来,因为他们的汽油用完了。
高中英语新人教版)选择性必修三课后习题：UNIT 4 Section D(课后习题)【含答案及解析】
UNIT 4ADVERSITY AND COURAGE Section D Using Language(Ⅱ)&Assessing YourProgress必备知识基础练Ⅰ.单句语法填空1.Consequently,some viewers began to turn away cinemas,leading to a slower growth.2.The value and impact of (motive) goes beyond our social circle and existence.3.Though some of the questions seem unfamiliar to me,they are easy (answer).4.Alone in a strange city,without friends and money,he fell despair.5.It is very pleasant for him to travel and to try out and explore is new.Ⅱ.短语填空1.He had to learn how to to live through the cold night.2.In view of these factors,you’d better finish your teaching tasks time.3.She tried to the disappointed child when he failed to win the prize.4.Can you lend me 10 dollars?I will the money to you on Friday.5.In order to be more competitive,Peter decided to a computer class.Ⅲ.完成句子1.要是我有足够的钱,我就把她送到那个国家深造了。
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一、根据语境及首字母提示完成句子1．The s revolves around the Earth once every hundred minutes.2．The civilization of m has taken thousands of years to develop.3．The astronauts trained for years in how to use their s .4．The stone rolled down the mountain by g .5．The j craftsman also said: “This is a piece of ordinary stone.”6．Chinese astronauts have completed the first s outside of the country's new space station.7．You can book at your local travel a ．8．We still don't know how many galaxies there are in the u .9．Only light v are allowed over the old bridge.10．The images of the moon's surface were t back to earth and printed out.答案：1.satellite 2.mankind 3.spacecraft 4.gravity 5.jade 6.spacewalk 7.agency 8.universe 9.vehicles 10.transmitted二、单句语法填空1．Thousands of pieces of (datum) are stored in a computer's memory.2．We aim to help disabled students to live and study (independent).3．It's a story about a man who leaves jail and determines (reform).4．Despite the storm, everyone board was safe and sound.5．Don't raise your hopes too high, or you may be (disappoint).6．A new satellite has been put into orbit the earth.7．The traffic policeman signalled to me (pull) over.8．Troops established a road block the frontier.9．If there are things we do not know, it is we haven't learnt them.10．She had a strong desire (be) a dancer but failed to make the grade.11．It's said he is the only one (know) the truth.12．She stopped her car (let) a black dog run across the street.13．(explore) the universe, you have to know more about satellites, space, gravity and so on.14．Would you please bring me some paper (write) on.15．Be careful (avoid) making the same mistake.16．We took full advantage of the hotel (facility).17．No one could figure how he got to be so wealthy.18．We are not old enough (vote) or to be voted.19．we can see, China is developing at an amazing rate.20．Thanks to your encouragement, I finally got the courage (face) the challenge.答案：1.data 2.independently 3.to reform 4.on 5.disappointed 6.around 7.to pull 8.on 9.because 10.to be 11.to know 12.to let 13.To explore 14.to write 15.to avoid 16.facilities 17.out 18.to vote 19.As 20.to face三、阅读(共15小题；每小题2.5分，满分37.5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.A(2022·山东省济南市历城第二中学高三检测(B))Mars was once wet, with an ocean's worth of water on its surface. Today, most of Mars is as dry as a desert except for ice deposits in its polar regions. Where did the rest of the water go?Some of it disappeared into space. Water molecules, beaten by particles of solar wind, broke apart into hydrogen and oxygen atoms, and those, especially the lighter hydrogen atoms, sped out of the atmosphere, lost to outer space.But most of the water, a new study concludes, went down, sucked into the red planet's rocks. And there it remains, trapped within minerals and salts. Indeed, as much as 99% of the water that once flowed on Mars could still be there, the researchers estimated in a paper published this week in the journal Science. Bethany Ehlmann, a professor of planetary science at the California Institute of Technology and one of the authors of the paper, said that as the rocks are altered by liquid water, water molecules become incorporated (并入) into minerals like clays.The data and simulations indicated that the water on Mars was almost all gone by 3 billion years ago, around the tune on Earth when life consisted of singlecell microbes in the oceans. Without a time machine, there is no way to observe directly how much water was on a younger Mars more than 3 billion years ago. But the hydrogen atoms floating today in the atmosphere of Mars preserve a ghostly hint of the ancient ocean.On Earth, about 1 in 5, 000 hydrogen atoms is a version known as deuterium (重氢；氢的同位素) that is twice as heavy because its nucleus contains both a neutron and a proton. But on Mars, the concentration of deuterium is markedly higher, about 1 in 700. Scientists at the NASA Goddard Space Flight Center who reported this finding in 2015 said this could be used to calculate the amount of water Mars once had.1．Why can't water be found on Mars now except for ice deposits in polar regions?A．Because it was transformed into deuterium.B．Because it was beaten into particles by solar wind.C．Because most of it was integrated and some disappeared.D．Because it broke down into hydrogen and oxygen atoms.2．What is implied about deuterium in the last paragraph?A．It is twice the weight of hydrogen.B．Its nucleus contains a neutron and a proton.C．Its concentration on Earth is markedly higher than on Mars.D．It enlightens scientists on the measurement of water on Mars.3．In which section of a newspaper may this article appear?A．Science. B．Travel.C．Entertainment. D．Education.4．What can be a suitable title for the text?A．Mars: Once Wet, Now DryB．Atoms: Hydrogen or DeuteriumC．Microbes: Singlecell or MulticellD．Water Vanished: This Might Be Where It Went篇章导读：本文是一篇说明文。