2019高考英语一轮达标Unit1GreatScientists练题含解析新人教版必修520

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[精品]2019高考英语一轮选练习题Unit1Greatscientists(含解析)新人教版必修5

必修5Unit 1李仕才考点规范练(必修5Unit 1)【短文语法填空】Susan: Larry, how soon shall we arrive in Toronto?Larry: If we don't make any more stops, we __1__ be there by nightfall.Susan: What? By nightfall? I am starving to death. __2__ we stop and find something to eat?Larry: Actually, we have a free dinner waiting for us at the hotel in Toronto.Susan: I know, but I __3__ stand the hunger any more.Larry: You know me, Susan. I don't like to spend money. Sorry.Susan: Yeah, you are really cheap! If you __4__ so cheap, we __5__ (fly) to Thailand for our vacation instead of driving to Toronto.Larry: Thailand? Don't be ridiculous! Even if I weren't cheap, you know we __6__ afford to go that far away for vacation!Susan: Well, you __7__ afford a stop for food, right?Larry: If we do, we __8__ waste time, gas, and money. I think we __9__ just wait until we get to Toronto. Oh, hey, I remember you are fond of candy. I think I __10__ have some of that candy you like in my backpack.Susan: Candy? Great!1．________ 2.________ 3.________ 4.________5．________ 6.________ 7.________ 8.________9．________ 10.________Ⅰ.阅读理解“She was lost in her book.”“He couldn’t put the book down.”“I was on the edge of my seat.”These are all common phrases that we may use to describe the experience we have when we read books.In the middle of a good book,we may feel as though we have left the real world behind.So how do our minds use the letters on the page to let us step into the shoes of our favorite characters and experience the events in a story?Recent studies show that the reason is because our minds really do pretend that we are actually participating in the story.Just like a flight simulator(模拟器) allows training pilots to practice flying a plane,stories seem to be a life simulator,allowing our minds to pretend they are doing all sorts of interesting activities.Let us take a look at some of these studies.In one set of studies,scientists presented the participants in their study with sentences like “Theman saw the bird in the sky”and “The man saw the bird in the nest.”Participants in the study would read the sentences on a computer screen,and would then see an image on the screen that either matched or did not match the sentences.People would click a button faster when the sentence and image matched than when they did not match.Notice that there is nothing in the sentence that tells the participants in the study how the bird should look—both sentences simply say,“the bird”.So,when people are faster to respond to the matching image,we can conclude it is because of perceptual(感觉的) simulation.In new research,scientists are also beginning to find that difficulty creating these mental simulations is related to difficulty understanding and following stories that are longer and more detailed.So,for some children,not being able to see the stories in their minds may make it harder for them to keep track of everything that is going on and where,when and why it is going on.This means that this research is important,not only because it tells us something interesting about how our minds work but also because the findings could someday help teachers and parents find new ways to help children who are having difficulty with reading.1.According to Paragraph 1,readers are likely to .A.get lost in a bookB.forget what they have readC.have difficulty keeping readingD.get different feelings from the same book2.A flight simulator is mentioned to .A.show the advantages of readingB.explain how to read more efficientlyC.show the differences between reading and flyingD.explain what happens in our minds while reading3.What can we infer from the studies mentioned in Paragraph 3?A.Readers are good at matching.B.Readers prefer images to words.C.Readers are usually very imaginative.D.Readers create mental images while reading.4.The research findings mentioned in the text may help .A.people read carefully for detailsB.people read short articles quicklyC.those who find it difficult to readD.those who show no interest in readingImagine this scene: it’s blowing outside, and you snuggle (蜷伏) up on the sofa under a warm quilt, chatting and recalling with your closest friends.That content, cosy feeling has a name in Danish —hygge. And, as Denmark recently won the title of “the happiest country in the world”, the concept of hygge is known to more and more people interested in finding ways to understand this concept.Hygge —originally from a Norwegian word meaning well-being —doesn’t have an exact equivalent (等同物) in English. It’s often translated as coziness, or as blogger Anna West told the BBC, “coziness of the soul”. But, as professor Maren Spark explains, “Hygge was never meant to be translated. It was meant to be felt.”Basically, hygge involves creating a warm, cosy atmosphere and enjoying it with your loved ones. Danish winters are long and dark and so achieving hygge is particularly relevant during this season. A typical Hygge activity during winter could be enjoying delicious homemade food and light-hearted conversation with friends —preferably in the warm glow of candlelight, or maybe sipping a glass of wine in the hot tub after a day spent skiing.However, hygge isn’t only limited to the cold winter months —it can also describe that warm, fuzzy feeling you get after a walk through a forest with fr iends on summer’s day or a family barbecue in the park. Hygge is meant to be shared.1.The author asks the readers to imagine the scene in the first paragraph to_________ .A. help the readers to calm downB. introduce the topic of the passageC. present the main idea of the passageD. remind the readers of their past memories2.What do the underlined words by Maren Spark mean?A. The translation of the word “hygge” is not good enough.B. Only Danish speakers know what “hygge” means.C. “Hygge” is easy to t ranslate but hard to feel.D. We can get the true meaning of “hygge” by feeling it.3.Which of the following can be best described as a “hygge” activity?A. Skiing in the cold winter months.B. Living through long dark winters.C. Taking afternoon tea with friends.D. Walking alone in the forest.4.The author writes this passage to_________.A. explainB. persuadeC. commentD. advertiseⅡ.完形填空(2016·郑州第二次质量预测)I had just started my second year studying at Cambridge University when I was faced with the news I had never expected.A lump in my neck 1 out to be cancer.I would 2 six months of chemotherapy(化疗).After the shock,I was struck by this thought:my 3 didn’t have any room for cancer.I had so much I wanted to 4 and so many goals I wanted to chase.I was faced with the 5 job of telling my friends and family.Then,I had to decide whether to 6 in Cambridge and take five exams at the end of the year.My doctor 7 against it,and so did my parents and teachers.My doctors and teachers convinced me that taking some time off to 8 and relax would be the best thing for me.I could not think of anything 9 .I did not want to 10 a year of my life,receiving pity from those around me.Together with my parents,I tried to persuade the university to 11 me to stay at Cambridge and study only half the course.At the end of the year I would take two exams.It was really a 12 to persuade them to agree.Treatment began and I was up and down from Cambridge to London every other week.It made me feel13 ,but to a much lesser degree than I had expected.I was 14 to read,eat and socialize exactly asI used to.I slept a lot and rested a lot,but I also worked hard at my studies.It gave me focus,and it also gave me pleting my 15 at the end of the term felt like a great personal victory.I took a 16 to continue studying while undergoing treatment,and it 17 .I was successful in my exams—and more 18 ,I made a full recovery.Every person facing a disease like cancer must make the 19 that are right for them.I am 20 that I made the decision that was right for me.1.A.stuck B.cameC.turnedD.worked2.A.require B.expectC.senseD.arrange3.A.body B.memoriesC.familyD.dreams4.A.face B.achieveC.showD.understand5.A.necessary B.temporaryC.difficultD.disappointing6.A.join B.treatC.settleD.continue7.A.fought B.advisedC.actedD.decided8.A.recover B.exerciseC.studyD.play9.A.better B.worseC.moreD.less10.A.save B.spendC.takeD.miss11.A.help B.remindC.allowD.invite12.A.struggle B.failureC.burdenD.trouble13.A.tired B.relaxedC.confidentD.nervous14.A.afraid B.readyC.ableD.eager15.A.purpose B.projectsC.treatmentD.exams16.A.rest B.riskC.privilegeD.job17.A.ended up B.passed onC.paid offD.broke out18.A.clearly B.interestinglyC.specificallyD.importantly19.A.choices B.changesC.effortsD.chances20.A.surprised B.excitedC.determinedD.proudⅢ. 短文改错(2016·太原一模)Yesterday my friend Julia and me had lunch in the Pizza Hut behind our school.I knew Julia wasn’t crazy about pizzas,but she came along just because me.At the table next to ours,there were two guys from our class.One of them was real funny.He tried to imitate all the customer in the Pizza Hut.We couldn’t stop to laughing.And there were some people whom did not like the fact that two boys were imitating them.They complained to an owner of the Pizza Hut,so he came over and tell them to stop.Seeing it,Julia and I was greatly embarrassed.考点规范练(必修5Unit1)本文讲述的是Susan和Larry开车去度假的途中讨论是否停车用餐的一段对话。

2019版高考英语一轮基础练习Unit1GreatScientists(含解析)新人教版必修5

Great Scientists李仕才一、阅读理解。

Discovering the beauty of the science and math that shape our everyday lives，an experience in WonderLab will fuel your imagination and inspire you to see the world around you in new and exciting e and enjoy yourself!What to seeSpread across seven different zones ， there're loads of opportunities to get hands on with real scientific phenomena.Observe live experiments at our Chemistry Bar，see lightning strike before your eyes，play with forces on giant slides or travelthrough space under a canopy( 苍穹 )of stars.You can also take part in explosive science demonstrations led by our talented team of explainers.With 50 mind-blowing wondersof science to enjoy ， WonderLab is an experience unlike any other.Besides，a selectionof shows will be performed daily in WonderLab's beautiful new show space.They are freeof charge and last 20 minutes.●D ay pass：￡ 6 per person.This ticket gives you day-long access to WonderLab，perfect whether you're planning a specialtrip to the Museum or simply passing through London and want to feed your curiosity.●Annual pass ：￡ 10 per person.For less than the price of two visits，give yourself a year packed full of wonder ，curiosity and breathtaking experiences.Opening timesOpen seven days a week,10 ：00－ 18：00(last entry 17： 15) ．WonderLab will be closed on December 24,25 and 26 and will be open as usual from December 27.During school holidays our opening hours are 10：00－19：00(last entry 18：15)． Please note that in peak periods(from midday onwards)we are experiencinglong queues due to the gallery's popularity.1． What can you do in WonderLab?A． Explore stars.B． Produce lighting.C． Join in explosion shows.D． Do chemistry experiments.2． How much should two visitors pay if they visit WonderLab and enjoy the showsfor one day?A．￡ 12. B ．￡ 20.C．￡ 32. D ．￡ 40.3． When can you enter WonderLab?A． 9：30 on December 23.B． 18：30 on school holidays.C． 11：00 on Christmas.D． 10：30 on December 28.4． What is the purpose of the text?A． To introduce WonderLab.B． To attract people to WonderLab.C． To explain how WonderLab works.D． To analyze why WonderLab is attractive.体裁：应用文题材：新闻广告主题：科技展【解题导语】文章介绍了WonderLab 的活动、票价实时间安排等信息，吸引大家前往观光游乐。

2019高考英语一轮选训习题Unit1Greatscientists(含解析)新人教版必修5

必修5 Unit 1 Great scientists李仕才一、阅读理解AThe story of Sir Nicholas Winton is the one that you would imagine could only happen on the silver screen. Sir Nicholas Winton was a British man who went to heroic efforts, potentially putting himself at risk, during World War II. Sir Winton was responsible for ensuring the safety of six hundred and sixty-nine Jewish children by aiding their escape from countries occupied by Nazis. Finally, the Jewish children were brought to England where he worked to make sure families in his native country would help the kids by taking them into their homes.Recently, this unbelievable story has again been making the rounds on the Internet, particularly after a rerun of the BBC show called “That’s Life”, which featured Sir Winton. People around the world were moved at the details of the story, with saying it to be the best story they’ve ever seen.Sir Winton kept his entire plan completely secret, even his wife had no idea about his planning until fifty years later. After the war, years passed and many people remained in the dark about Sir Winton’s extraordinary achievement. Some fifty years later, his wife Greta was searching in their house and discovered a Winton’s notebook which documented the names of all the children. She worked with BBC and they produced a TV episode (插曲) of their program “That’s Life” that served as an honor for Sir Winton’s work.In 2003, Sir Winton was knighted by the Queen of England for his work. He also was even nominated for a Nobel Peace Prize. He also had a small planet named after him by Czech astronomers. Sir Winton died peacefully in his sleep at the old age of one hundred and six, in 2015. Leaders around the world paid tribute (悼念). Israel’s ambassador to the United Kingdom, Daniel Taub, said, “He wa s a hero of our time, having saved 669 Jewish children from Nazis. His story, as a point of light in a period of darkness, will forever be remembered.”1.What happened to the 669 Jewish children?A. They were killed by Nazis.B. They returned to their own homes.C. They fled to their native countries.D. They were raised by English families.2.What made Winton’s story spread widely?A. People’s chatting online.B. The program “That’s Life”.C. His wife’s promotion.D. Praises from some leaders.3.Which of the following can replace the underlined expression “remained in the dark’, in Paragraph 3?A. felt doubtfulB. remained movedC. knew nothingD. criticized something4.What do we know about Winton?A. He was born in 1909.B. Nazis tried to arrest him.C. He named a small planet.D. Many children paid tribute to him.【文章大意】文章主要讲述Sir Nicholas Winton在纳粹期间帮助669个犹太孩子逃到英国的故事。

2019高考英语一轮优练题 Unit 1 Great Scientists新人教版必修5

Unit 1 Great Scientists(必修5Unit 1)【短文语法填空】With the development of modern society and high technology, children wear more and more beautiful and fashionable clothes. More children 1 (allow) to choose their favorite clothes, which is 2 relatively new trend. Many years ago, children had to suffer the whims(突发奇想)of adults as far as clothes were concerned. Like 3 (adult) clothes, children’s clothes followed fashions as well. About 120 years 4 , boys in Europe and America wore white ankle-length dresses, just like their sisters, until they 5 (reach) the age of five. Older boys from wealthy 6 (family) were then dressed in pretty velvet(丝绒) suits 7 lace collars. Their hair was grown to shoulder length 8 longer. For many unlucky boys, these carefully planned and organized costumes were nor reserved for special occasions; they had to wear the same 9 (restrict)and uncomfortable outfits for everyday play. Clean and proper clothes say that the person has both self-respect and respect for other people. Clothing can tell quite a lot about the person, sometimes more than we would like to reveal. So we should pay more attention to 10 (wear) proper clothes in different occasions.【文章大意】文章讲述了在西方，孩子们服装的发展，同时说明了着装的注意事项。

2019高考英语词汇考查题型练Unit1GreatScientists(含解析)新人教版必修5

Unit 1李仕才一、词汇复习（一）单句语法填空1．(2015·安徽黄山第二次质检改编)—I'm afraid I have to leave now, for you see, he is waiting for me.—Well, if you ________， at least wait till the heavy rain stops.答案：must 句意为：——恐怕现在我不得不离开了，因为你知道，他在等我。

——好的，如果你非得走，至少要等到大雨停了再走。

根据语境可知填must，意为“偏要；非得”。

2．(2014·陕西，25改编)My book，The House of Hades, is missing.Who ______ have taken it？答案：could 句意为：我那本《决战冥王圣殿》不见了。

谁会把它拿走了呢？由句意可知，设空处表示说话者对过去发生事情的一种疑问的推测，故填could。

3．(2015·天津，7改编)I ________have worried before I came to the new school，for my classmates here are very friendly to me.答案：needn't needn't have done为情态动词中表虚拟的用法，意思为“本不必做某事却做了”。

4．(2015·陕西，21改编)You ________feel all the training a waste of time，but I'm a hundred percent sure later you'll be grateful you did it.答案：may 情态动词may表推测时，意为“或许，可能”。

句意：你或许觉得所有的训练都是浪费时间，但是我敢百分百保证，你以后一定会感恩你这么做了。

2019版高考英语 Unit 1 Great Scientists(词汇考查+词汇应用)(含解析)新人教版必修5

2019年Unit 1李仕才一、词汇复习（一）单句语法填空1．Look up the ________(mean)of the word in the dictionary.答案：meaning 名词meaning表示“意思”。

2．New ________(science) discoveries are being made at an increasing speed.答案：scientific 形容词scientific表示“科学的”。

3．The mother ________(dress) her baby and gave it a bath.答案：undressed 动词undress表示“脱衣”，与gave一致，用过去时。

4．The scenery of Zhangjiajie is so ________(attract) that many tourists go there every year.答案：attractive 形容词attractive表示“迷人的”。

5．The farmer was bitten to death by________(poison) snakes.答案：poisonous 形容词poisonous表示“有毒的”。

（二）英汉互译1.characteristic n. __________2.radium n. __________3.painter n. __________4.put forward __________5.scientific adj. __________6.conclude vt. & vi. __________7.conclusion n. __________8.draw a conclusion __________9.analyse vt. __________10.△infect vt. __________11.△infections adj. __________12.△cholera n. __________13.defeat vt. n . __________14.expert adj. n__________15.attend vt. __________16.physician n. __________17.expose vt. __________18.expose…to __________19.deadly adj. __________20.cure n. vt. __________22.challenge n. vt. __________23.victim n. __________24.absorb vt. __________25.suspect vt. n. __________26.enquiry n. __________27.neighbourhood n. __________28.severe adj. __________29.clue adj. __________30.pump n. vt. __________32.foresee vt. __________33.investigate vt. & vi. __________34.△ investigation n. __________35.blame vt. n__________36.pollute vt. __________37.handle n. vt __________38.germ n. __________39.link vt. & n. __________40.link…to… __________41.announce vt. __________42.certainty n. __________43.instruct vt. __________44.responsible adj. __________45.construct vt. __________46.construction n. __________47.contribute vt. & vi. __________48.apart from __________49.firework n. __________50.chart n. __________51.creative adj. __________52.co-operative adj. __________53.positive adj. __________54.（be）strict with…__________56.△revolutionary adj. __________57.movement n. __________58.make sense __________59.backward adv. & adj. __________61.△privately adv. __________62.spin vi. & vt__________63.△brightness n. __________64.enthusiastic adj. __________65.cautious adj. __________66.reject vt. __________67.universe n. __________二、阅读理解ADear Parents:I’m delighted that you are considering the British International School for your c hildren’s education. Our school offers first class international education delivered by experienced, highly qualified and professional staff.We aim to provide a high quality British-style education characterized by: The arrangement of the English National Curriculum to meet the needs of international and local students and offering an insight into the local culture.High quality teaching provided by international and local staff.A broad personal development of students that encourages independence, confidence, tolerance, good manners and respect.A recognition of the school-parent partnership in the successful education of the children.An acknowledge that all students are individuals who deserve an environment to help realize their academic and other potential, thereby preparing them for their chosen continued education and career.A safe, caring, happy and stimulating environment benefiting from high quality facilities.Our school provides an effective framework for education through a broad, balanced, and monitored curriculum. As students advance through the school, we ensure that their needs are met through progressive teaching and learning. Although our curriculum is based upon the National Curriculum for England, it is adapted as appropriate, to ensure suitability for our diverse student body. Thus, we strive for the development oftransferable skills through the years of school, as well as the acquisition of a broad body of knowledge.Students are given opportunities to develop many skills. These include skills in language, in science, technology and mathematics, in the aesthetic(审美的) and creative fields of music, drama and art, and in physical education.We insist that students act in a responsible manner toward all members of society. Throughout the school, students are taught to distinguish between right and wrong and show consideration for others. The qualities of honesty, kindness and good manners are always encouraged. Our friendly atmosphere provides a secure and happy environment in which children can grow and flourish as Individuals and valued members of the school family.1.What do you think the author is?A.A school principalB. An exchange student.C. An assistant professorD. An experienced lecturer.2.Why does the school change its curriculum when necessary?A. To develop some good students’ skills.B. To meet the needs of different students.C. To offer an insight into the local culture.D. To help students realize their potential.3.Which of the following about the students is NOT mentioned in the passage?A. MannersB. Self-disciplineC. Qualities.D. Independence.4.What is the purpose of the passage?A. The author thinks schools and parents play an important role in teaching.B. The author is stressing that responsibility is the most important thing for a student.C. The author is encouraging more parents to send their children to this school.D. The author implies students become valued people without a friendly atmosphere. 【文章大意】这是一篇英国国际儿童教育学校的招生广告，介绍了这所学校的教育目标、课程设置、教学理念等信息。

高考英语一轮精选练Unit1GreatScientists(含解析)新人教版必修5(2021年整理)

2019年高考英语一轮精选练Unit 1 Great Scientists（含解析）新人教版必修5编辑整理：尊敬的读者朋友们：这里是精品文档编辑中心，本文档内容是由我和我的同事精心编辑整理后发布的，发布之前我们对文中内容进行仔细校对，但是难免会有疏漏的地方，但是任然希望（2019年高考英语一轮精选练Unit 1 Great Scientists（含解析）新人教版必修5）的内容能够给您的工作和学习带来便利。

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Unit 1 Great Scientists李仕才一、阅读理解（2018·陕西省部分学校第一学期摸底检测）From young kids to fitness lovers，to those looking for a laugh，or to families looking for a free movie night， Atlantic Station prepares some days for them to enjoy this year.Tot Spot—Each Tuesday morning， Atlantic Station's Central Park transforms into every child's dream playground! From 10：00 a.m.to noon， kids can enjoy games， storytelling, toys， music and some very special things. This event begins on April 5 and lasts through September 27.Wellness Wednesday—Each Wednesday from 6：30 p。

人教版2019版高考英语一轮复习Unit1GreatScientists达标巩固练含解析必修5

Unit 1 Great Scientists一、阅读理解。

Animals use many tricks to hide from predators(捕食性动物)．While different，they are all visual animals.Now scientists have uncovered a fish species that uses both visual and chemical disguise(伪装)．Rohan Brooker, one of the researchers who made the discovery said that he first thought of the idea after reading about a species which takes on the smell of the plant that it eats.Thus，its predators，ants walk right over it.Since Harlequin Filefish are picky eaters that feed totally off the Acropora—a beautiful species of blue/purple coral，Brooker theorized that they too may be using a similar trick to fool their predators.To test his theory，Brooker's team acquired some filefish from the Great Barrier Reef and divided them into two groups.For the next four weeks，one group fed on their normal diet of the Acropora coral，while the other fed on the Pocillopora coral.In order to test if there was any difference in the way they smelled，the researchers did another experiment.They found the smells from the two groups were different.But there was still a question of whether the smell was strong enough to protect the fish from their natural predators.To test that，Brooker's team added a predatory species of cod(鳕鱼)to the mix.Sure enough，the cod that were placed in the tank containing the fish fed on the Pocillopora coral were immediately able to sense them.In contrast，the cod in the tank where the fish had been fed on their natural diet—the Acropora coral，appeared oblivious to their existence and instead spent much of their time inside the tank's caves.This confirmed the team's suspicion that the filefish have figured out how to give off the smell of the Acropora coral to avoid being detected by predators.While the smellbased disguise had been previ ously observed in some species of fresh water，this study was the first to prove that the fish's diet was the source of this disguise.Though the theory has only been tested on Harlequin Filefish，Brooker suspects that this kind of chemical disguise is fairly commonamong sea animals.Sure it gives a whole new meaning to the saying—“You are what you eat！”1．The underlined word “oblivious” in Paragraph 3 may mean “________”．A．ignorant B．sensitiveC．allergic D．cautious2．What statement may Brooker agree to?A．Freshwater fish all know the role of smell.B．Sea animals use smell to cheat their enemies.C．The smellbased disguise may work occasionally.D．Humans are really what kind of fish they eat.3．What is the passage mainly about?A．A way to fight against predators.B．A smell trick of all sea animals.C．A fish smells like the coral.D．Filefish in the Great Barrier Reef.【解题导语】本文是一篇说明文，主要介绍了一项关于Harlequin Filefish如何通过自身的伪装来抵御捕食性动物的研究。

2019年高考英语一轮复习Unit1GreatScientists押题专练(含解析)新人教版必修5 (1)

Great Scientists李仕才第一节阅读理解AAbout 1.3 billion years ago, two massive black holes hit each other and formed a new one. The energy set free by the collision created a ripple(波纹) in the space-time structure and spread outward in gravitational waves (引力波)．Then, on September 14,2015, a group of scientists discovered the waves. On February 11, an announcement came from the Laser Interferometer GravitationalWave Observatory (LIGO) in the US that, for the very first time, a gravitational wave was directly observed and recorded. “We discovered gravitational waves. We did it，” David Reitze, the director of LIGO, said in the press conference on February 11. “It's exactly what Einstein's theory of general relativity predicted.”Einstein's 1915 theory reimagined the framework for the universe. According to Einstein, the framework for the universe—or the spacetime structure—is not fixed，But changed by matter and energy “i n a way a heavy sleeper causes a mattress to sag(床垫下凹), producing the effect we call gravity”， explains a New York Times article.“A disturbance in the universe could cause spacetime to become larger, break into pieces and even move up and down, like a mattress shaking when that sleeper rolls over, producing ripples of gravity: gravitational waves，” explains the article.Compared with the other three forces in the universe(electromagnetism, the weak nuclear force and the strong nuclear force), gravity is relatively weak, making gravitational waves hard to discover.The discovery by LIGO would open a new chapter in astronomy. “Everything else in astronomy is like the eye，” Szabolcs Marka, a Columbia University professor, told The New York Times.“Finally, astronomy grew ears. We never had ears before.”篇章导读：本文是一篇说明文。

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Great Scientists 李仕才一、阅读理解。阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。

A gunman killed two members of a television news crew in the United States earlier this week.Their TV station broadcast the shooting“live”　in real time.The shooting shocked many Americans and people around the world. One US teenager wants to help prevent such attacks.Kai Kloepfer lives in Boulder，Colorado.He has a talent for technology.He has been teaching himself engineering skills since he was a child.Hearing of so many gun attacks，he decided to use his skills to help prevent mass shootings. The young man's goal was to make a gun that would not work in the hands of a killer.But he knew it would be impossible for him to stop dangerous people from buying guns.So he changed direction.He decided to create a gun designed to prevent accidental shootings.The gun Kai Kloepfer designed only works when unlocked by the fingerprint of the owner，and not by anyone else.The gun only recognizes the touch of its owner. It took the teenager seven months and over 1,500 hours to create a plastic model of his“smart gun”．He entered his fingerprint handgun in a local science fair and won.His award included a financial prize.He received$50,000.The money is to support improvement in gun safety. Kai Kloepfer is now 18 years old.He has been using the grant money to improve the technology.He says the weapon he designed doesn't change the function of a firearm at all.It just makes it safer.He is now working to add the fingerprint lock technology to a real gun.He says he expects to one day see his “smart gun”for sale next to other firearms. The young man plans to spend the next year improving his fingerprint handgun.Then he will start college at one of the world's top universities—the Massachusetts Institute of Technology. 1．Why does Kai Kloepfer try to invent the gun? A．To prevent people from buying guns. B．To protect people's lives. C．To limit functions of a gun. D．To reduce power of a gun. 2．The gun created by Kai Kloepfer is controlled by the owner's fingerprint to ________. A．keep it convenient to use B．make it safe to carry around C．protect its owner from harm D．avoid being used by others 3．How is the progress of Kai Kloepfer's gun invention? A．It is being shown in a fair. B．It is under further research. C．It will soon come into the market. D．It needs designing once again. 4．What's Kai Kloepfer's wish for his fingerprint gun? A．It will bring enough money for him. B．It will replace traditional guns. C．It can be sold on the market. D．It can help forbid the use of guns. 【解题导语】本篇文章是记叙文，讲述了美国一名科技爱好青年Kai Kloepfer改良枪支的故事。1．B 考查推理判断。根据第二段的“Hearing of so many gun attacks, he decided to use his skills to help prevent mass shootings”和第三段的“He decided to create a gun designed to prevent accidental shootings”可推知，选项B“为了保护人们的生命”是正确的，所以选B。2．D 考查推理判断。根据第三段的“The gun Kai Kloepfer designed only works when unlocked by the fingerprint of the owner，and not by anyone else.The gun only recognizes the touch of its owner”可知，Kai Kloepfer设计的枪只有枪的主人用指纹才能打开，而其他任何人都无法使用该枪。这支枪只识别其主人的触摸。因此选项D“避免被别人使用”正确。3．B 考查推理判断。根据第五段的“He has been using the grant money to improve the technology”和“He is now working to add the fingerprint lock technology to a real gun”可知，他一直在使用这笔奖金来提高技术，并致力于把指纹锁技术运用到真枪中。选项B“手枪的技术正在深入研究之中”是可以推理出来的，所以选B。4．C 考查细节理解。根据第五段的“He says he expects to one day see his ‘smart gun’for sale next to other firearms”可知，他期待有一天看到他的智能手枪像其他枪一样被出售，所以选C。二、单句语法填空1．Only when he arrived ________the meeting begin. 答案：did “only＋状语(从句)”位于句首，句子要部分倒装。由时间状语从句when he arrived可知，应用一般过去时，故填did。2．Neither I nor John ________(be) tired of the speech. It is interesting. 答案：is neither ... nor ... 连接两个并列主语，谓语动词的数遵循“就近一致”原则，故填is。3．________(absorb) in writing a letter, he didn't even look up when I came in. 答案：Absorbed be absorbed in ...“全神贯注于……”，此处为分词作状语，故填Absorbed。4．That you ________(expose) to the sunlight for too long will be harmful to your skin. 答案：are exposed be exposed to ...“暴露于……；接触……”。5．There is no sense in ________(worry) about the future. 答案：worrying There is no sense in (doing) sth. “(做)某事是没有意义的”。6．While ________(attend) to the central task, we should unfold the work in other fields. 答案：attending attend to “处理；照料”，从句的主语和主句主语一致，且谓语部分含有be动词的相应形式时，可省略从句中的主语和be动词，补充完整为：While we are attending to ...，故填attending。7．The bank manager was really ________(blame), though he tried to put it on a clerk. 答案：to blame be to blame “应受责备；应承担责任”，为主动形式表示被动意义。8．Mr Reed made up his mind to contribute all he had to ________(set) up some schools for poor children. 答案：setting contribute ... to ...“为……奉献……”，其中to为介词，其后应用名词、代词或动名词形式，故填setting。9．My parents tend to accept any idea ________(put) forward by experts on TV. 答案：put put forward “提出”，此处应用过去分词短语作后置定语，修饰名词idea。10．I recognized her voice ________moment I picked up the receiver. 答案：the the moment “一……就……”。