2016-2017学年高中英语外研版选修6 学业分层测评14
外研版2016-2017学年外研版英语选修6学业分层测评1
学业分层测评(一)Ⅰ.单句语法填空1．You needn't bee nervous.It's just an (formal)interview.2．Keep your head up and (confident)approach her.3．I asked him if he would help me and he (nod)．4．The work is easy (do)．5．Don't lose heart.You should be confident yourself.6．Our pany promised equal (opportunity) for women.7．The enemy forces were (advance)against our defense works.8．She was already a little nervous the interview.9．The change of the city is imagination.10．The rich shouldn't show off their wealth. ，they should contribute more money to the poor.【答案】 rmal 2.confidently 3.nodded4．to do 5.of 6.opportunities7.advancing8．about9.beyond10.InsteadⅡ.单句改错1．The house is fortable to live.2．There is，in addition to，one further point to make.3．Tom is nervous with the ing exam next week.4．Try to act confident，even if you feel nervous.5．Tom said yes，nodded his head.【答案】 1.live后加in 2.去掉第一个to 3.with→about4.confident→confidently5.nodded→noddingⅢ.阅读理解【导学：38300042】In most languages，a greeting is usually followed by“smalltalk”．Small talk means the little things we talk about at the start of a conversation.In English-speaking countries people often make smalltalk about the weather：“Nice day，isn't it？”“Terrible weather，isn't it？”But there is something special about small talk.It must be something which both people have the same opinion about.The purpose of small talk is to let both people agree on something.This makes meeting people easier and more fortable.People usually agree about the weather，so it is a safe topic for small talk.But people often disagree about religion or politics so these are not suitable topics for small talk in English.The topics for small talk also depend on where the conversation is taking place.At football matches，people make small talk about the game they are watching：“Great game，isn't it？”At bus stops，people may ment about the transport system：“The bus service is terrible，isn't it？”Greetings and small talk are an important part of conversation in any language.The way people greet each other and the things they talk about，however，may be different from one language to another.This shows that there is much more to learn when we learn a language than just the vocabulary and the grammar of the language.We also have to learn the social behavior of the people who speak it.1．Which of the following is the mon topic over small talk for native speakers of English?A．Politics. B．Families.C．Education. D．Weather.【解析】细节理解题。
外研版2016-2017学年外研版英语选修6学业分层测评15
学业分层测评(十五)Ⅰ.完成句子1．要是有一天我上了月球，就能亲眼看看月亮表面是什么样子了。
If I to the moon some day，I the surface of the moon with my own eyes.2．如果他们学习不那么刻苦，就不会通过考试了。
If they hard，they in the exam.3．要不是几次中断，会议半个小时前就开完了。
these interruptions the meeting half an hour ago.4．我要是和她一起去那儿就好了。
I wish I there with her.5．我多么希望像一只鸟一样可以飞！How I wish I like a bird!【答案】 1.were to/should go；could see 2.had not studied；would have failed 3.But for；would have finished 4.had gone 5.could flyⅡ.阅读理解AA cancer-stricken British teenage girl said Thursday she had been moved by messages of support from around the world after writing an online“Bucket List”of things she wanted to do before dying.Alice Pyne，15, created an Internet blog in which she described her fight against a cancer of the white blood cells.“I've been fighting cancer for almost four years and now I know that the cancer is gaining on me and it doesn't look like I'm going to win this one，”she wrote.For her list, the teenager took inspiration from the 2007 film“The Bucket List”，in which two terminally ill (患绝症的) men, played by Morgan Freeman and Jack Nicholson, draw up a list of things they wish to do before they die.On her list, at the site .alice pyne.blogspot., she has included making everyone sign up to be a bone marrow donor(骨髄捐赠者), swimming with sharks, meetingboy band Take That and getting a purple iPad puter.Messages of support and offers of help quickly flooded her web page and it became one of the most talked about subjects on T w itter.“Oh dear and I thought that I was just doing a little blog for a few friends！”she wrote after her site attracted huge attention.“Thank you so much for all your lovely messages to me.”Pyne, who lives with her family in the northwest English town of Ulverston, revealed(透露)the management of Take That had arranged for her to see the band after reading her blog.A group of local lawmakers have also joined forces with the Anthony Nolan blood cancer charity to encourage people to join its stem cell register.1．What happened after Alice Pyne wrote her“Bucket List”？A．The media called on people to help her.B．People sent gifts to her from all over the world.C．A lot of people offered to donate bone marrow to her.D．People around the world sent messages to support her.【解析】细节理解题。
外研版2016-2017学年外研版英语选修6学业分层测评2
学业分层测评(二)Ⅰ.单句语法填空1．We (apologize)to our supporters for having to take this extreme action.2．They were (interrupt)by a knock at the door.3．Were you (succeed)in persuading him to change his mind?4．I didn't imagine (bee)a writer in my childhood.5．We received ten (apply)for the job.6．He did the work (cautious)for fear that he would make mistakes.7．When considering how to settle the problem，he had left the most important factor—weather.8．It was just in this room he was born that he died.9．You can't apply this rule every case.10．He made no reply me at first.【答案】 1.apologized 2.interrupted 3.successful4．being 5.applications 6.cautiously7.out8.where9.to10.toⅡ.完成句子1．我每次不听你的劝告，都会遇到麻烦。
，I get into trouble.2．不管冬天多长，春天总会随后来。
the winter is，spring is sure to follow.3．那工人说老板因为说了脏话而必须向他道歉。
The worker said that the boss must the dirty words.4．我在回复你6月1日的来信。
外研版2016-2017学年外研版英语选修6学业分层测评5
学业分层测评(五)Ⅰ.单句语法填空1．They are hoping to get (marry)next year.2．She (overe)her shyness and gave an excellent speech. 3．The students used to be (burden)with a lot of homework. 4．Mr.Green is in (possess)of several panies.5．Whisky (associate)with scotland.6．The program appeals all ages and all groups.7．his arrival at his office，he got down to the work.8．He caught glimpse of the picture and said nothing. 9．Hardly had I got home it began to rain.10．He is a (gift)writer.Many of his works are world-famous. 【答案】 1.married 2.overcame 3.burdened4．possession 5.is associated 6.to7.On8.a9.when10.gifted Ⅱ.完成句子1．你对出国工作的主意感兴趣吗？Does the idea of working abroad you?2．他们昨天动身到英国去了。
They Britain yesterday.3．他一到北京，就参加了一个记者招待会。
in Beijing，he attended a press conference.4．我们夜以继日地工作，提前完成了任务。
We worked day and night and finished the task ．5．我有一些我认为让你感兴趣的信息。
外研版2016-2017学年外研版英语选修6学业分层测评14
学业分层测评(十四)Ⅰ.单句语法填空1．She has taken a lot of different medicines, but none has (cure)the disease.2．The police have now narrowed down their list of (suspect)．3．Her dress is almost (identify) to mine.4．(acpany) by her mother，she went to hospital for medical examination.5．By (analyse) the parts of the sentence, we learn more about English grammar.6．The situation in the world today is very (benefit) to developing countries.7．We often meet with a difficulty (arise) out of the peculiar natural conditions.8．The reason he was absent from the meeting was that he got stuck in the traffic.9．There is a lady at my school job is to hand out call-slips(索书单)and prevent students from leaving campus without permission.10．struck me most in the movie was the father's deep love for his son.【答案】 1.cured 2.suspects 3.identical 4.Acpanied 5.analysing 6.beneficial7.arising8.why9.whose10.WhatⅡ.完成句子1．他的帽子同我的一模一样。
外研版2016-2017学年外研版英语选修6学业分层测评8
学业分层测评(八)Ⅰ.单句语法填空1．It is not how much you read but what you read that (count)．2．They (quarrel)with one another about how to solve the mathematical problem just now.3．He (regret)that he had left without saying goodbye to them.4．Her mother (scold)her for not cleaning up her room this morning.5．All of sudden，there was a terrible noise outside the classroom.6．The pany stopped the production because of the continued (lose)．7．It is hard (predict)the effects of the project on the environment.8．The book (belong)to him is on the desk.9．electronic puters，much of today's advanced technology would not have been achieved.10．Without friends，we can share our secrets no one.【答案】 1.counts 2.quarrelled 3.regretted4．scolded 5.a 6.loss7.to predict8.belonging9．Without10.withⅡ.完成句子1．We students should not (因……和同学吵架)little things.(quarrel)2．Hearing the song，I (想起了大学生活)．(mind)3．We give dogs time，space and love we can spare，and (作为回报)，dogs give us their all.(return)4．Mr.Smith loves sports and (他的妻子也喜欢运动)．(so) 5．Actually，Australians (享有……的福气)a mild climate.(bless)【答案】 1.quarrel with our classmates about 2．brought my college life to mind 3.in return 4．so does his wife 5.are blessed withⅢ.阅读理解AOne person can make a difference—purchase your copy of For America and discover simple ways to improve your life，your country，even the world.But a simple and attractive way to cut energy costs，improve air quality，and ensure public health is to grow a garden in the sky.Each time a city building is set up，the grass in that spot and trees that once reached up to the sky are replaced by a layer of asphalt or a tar roof(一层沥青或柏油房顶)．The lost green space can have a very real effect on a city's air temperature，air quality，and energy costs.On a summer day in most American cities，a tar roof can feel like the inside of an oven(火炉)．But what if we could replace the hot roof of each skyscraper or building in a city with grass or a garden?Whether it holds vegetable gardens，wildflowers，or grasses，a green roof can lower the temperature above a building by 60 degrees，which can reduce the building's energy costs and，if used more widely，could decrease a city's total energy costs，and improve air quality and public health.But that's not all—green roofs are a great way to handle water management in urban areas by taking in much rainfall，provide shelters for urban wildlife，and actually extend the life of the roof itself.And green roofs also do something else: they beautify the city—whether you're on the 3rd floor or the 30th.Now that's a brilliant achievement.The nonprofit group Earth Pledge is promoting a Green Roofs Program.To learn more about a green roof，just click here：EarthPledge..【语篇解读】文章向我们介绍了一种被看好的节能、提高空气质量、确保健康的方法：房顶花园。
2016-2017学年高中英语 Module 4 Musi Section Ⅲ Integrating Skills学业分层测评 外研版选修6
Module 4 Musi Section Ⅲ Integrating SkillsⅠ.单句语法填空1．This highestgrade drink makes people feel completely (relax)and joyful.2．She does (volunteer)work for the Red Cross two days a week.3．The medicine brought me (relieve)．4．They are (honour)by people for their honesty and unselfishness.5．He is too experienced a conductor to mind what the (critic)say.6．She received some beautiful (present)at her birthday party.7．Although (tire)after a whole day's work，I spend half an hour doing housework every night.8．The economy (shrink)instead of growing in the city last year.9．We were dancing to the music when all of sudden the power went off.10．In addition money and time，you need diligence.【答案】 1.relaxed 2.voluntary 3.relief 4.honoured 5.critics 6.presents 7.tired 8.shrank 9.a 10.toⅡ.完成句子1．约翰出生在巴黎，但在伦敦长大，汤姆也是这样。
外研版2016-2017学年外研版英语选修6学业分层测评3
学业分层测评(三)Ⅰ.完成句子1．It turned out to be a small house party.We (没必要盛装打扮)．2．I (不需要打出租车)；it's within walking distance.So we walked there.3．With the popularity of private cars，road conditions (需要改善)．4．I (没必要早起床)this morning，so I stayed in bed until 9 a．m.5．You (需要等着我)at the school gate.【答案】 1.needn't have dressed up 2.didn't need to take a taxi 3.need improving/need to be improved 4.didn't need to get up early 5.need to wait for me Ⅱ.阅读理解A(2016·全国甲卷)A new collection of photos brings an unsuccessful Antarctic voyage back to life.Frank Hurley's pictures would be outstanding—undoubtedly firstrate photo-journalism—if they had been made last week.In fact，they were shot from 1914 through 1916, most of them after a disastrous shipwreck(海滩), by a cameraman who had no reasonable expectation of survival.Many of the images were stored in an ice chest, under freezing water, in the damaged wooden ship.The ship was the Endurance, a small, tight, Norwegianbuilt threemaster that was intended to take Sir Ernest Shackleton and a small crew of seamen and scientists, 27 men in all，to the southernmost shore of Antarctica's Weddell Sea.From that point Shackleton wanted to force a passage by dog sled (雪橇) across the continent.The journey was intended to achieve more than what Captain Robert Falcon Scott had done.Captain Scott had reached the South Pole early in 1912 but had died with his four panions on the march back.As writer Caroline Alexander makes clear in her forceful and wellresearched story The Endurance, adventuring was even then a thoroughly mercial effort.Scott'slast journey，pleted as he lay in a tent dying of cold and hunger, caught the world's imagination, and a film made in his honor drew crowds.Shackleton, a onetime British merchantnavy officer who had got to within 100 miles of the South Pole in 1908, started a business before his 1914 voyage to make money from movie and still photography.Frank Hurley, a confident and gifted Australian photographer who knew the Antarctic，was hired to make the images, most of which have never before been published.【语篇解读】本文是一篇记叙文。
外研版2016-2017学年外研版英语选修6学业分层测评12
学业分层测评(十二) Ⅰ.完成句子1．你去什么地方了？我们到处在找你。
Where have you been？We everywhere.2．他一直在努力工作去实现梦想，现在他梦想成真了。
He to realize his dream，and now his dream has e true.3．电话铃响了差不多一分钟。
The telephone for almost a minute.4．最近我们经常见面。
each other quite a lot recently.5．我一直在敲门，我想没人在里面。
I ．I don't think anybody is in.【答案】 1.have been looking for you 2.has been working hard 3.has been ringing 4.We've been seeing 5.have been knockingⅡ.阅读理解AA ban on smoking in public places has e into force in China—home to a third of the world's smokers.The move is aimed at controlling the number of deaths from smoking-related diseases，running at a million a year.But the rules have been criticized，because they do not include punishments for those who choose to ignore them.Many business owners hate the rules that force them to ban smoking on their premises(经营场所)because many customers do not like the rules and plain.The rules do not allow smoking in places like restaurants，hotels，railway stations or theatres，but not at the office.Employers have a duty to warn staff of the dangers of smoking but do not have to forbid them from lighting up at their desks.Shanghai introduced similar rules a year ago，but people do not seem to take much notice of them.Often you find people smoking at the next table while you areeating your meal or having a drink in a bar.The problem is that the rules do not include punishments for businesses or individuals who ignore them.It appears that many Chinese people are unaware of the dangers of smoking.Research suggests that only one in four knows the harm of second-hand smoking can cause.Officials say they have to try to persuade people not to smoke to reduce the number of people dying from smokingrelated diseases.At the same time the government makes a lot of money from the sales of cigarettes by the state-owned firm that makes and sells all tobacco products throughout the country.【语篇解读】本文主要内容是关于中国在公共场所禁止吸烟的禁令实施情况。
外研版2016-2017学年外研版英语选修6学业分层测评6
学业分层测评(六)Ⅰ.完成句子1．(听到坏消息)，Mary felt very sad.2．(这儿没有公共汽车)，we had to go to work on foot.3．The fire lasted nearly five days，(没有剩下什么值钱的东西)．4．You must be careful (过马路的时候)．5．(虽然从早到晚地拼命干)，his father didn't get enough food.【答案】 1.Hearing the bad news 2.There being no bus 3.leaving nothing valuable 4.when crossing the street 5.Although working hard from morning till nightⅡ.阅读理解AIf Harry Potter was one of audience's top choices in recentcinematic history, its actress，Emma Watson, will never beforgotten.She stars in Sofia Coppola's latest work, The Bling Ring,which became a big event in the Cannes film festival.Before the premiere (首映), Watson said“Harry Potter feels likesuch a long time ago, but obviously it's still very present, being played in people's living rooms.I'm not trying to run away from it, but it's that I've had such an amazing three or four years to transform into new roles and work with new creative people.”Coppola's film is based on the true story of a group of Los Angeles teenagers，who stole luxury goods (奢侈品) from the houses of the rich and famous in order to copy their lifestyles.Watson said“It wasn't so much about the stealing.They wanted to pretend for two hours that they were Paris Hilton and to live that lifestyle for real.”Among the thieves' targets (对象)was Hilton.Between October 2008 and November 2009, they stole more than ￡3 million worth of items.They also showed off the items on Facebook.Making the actors/actresses popular might be regarded as the final victory for the film, but according to Coppola, that was far from her purpose.“I changed the namesof the characters because I didn't want to make them more famous，”she said，adding that she was “not too concerned with the reactions”of the people on whom the story is based.【语篇解读】本文是一篇说明文。
外研版2016-2017学年外研版英语选修6Module 1-Section Ⅳ
Section ⅣGrammar & Writing情态动词的用法阅读下列句子，体会黑体部分的用法1．In some countries，for example，you have to arrive on time at a party；in other countries，you don't need to.2．Some hosts expect flowers or a small gift，but in other places，you can take things，but you needn't if you don't want to.3．—Did the immigration people ask to see your visa?—No.I didn't need to get a visa.4．My American friend Tom spoke good Chinese，so I didn't need to translate the speech for him.5．I was the first to go there.I needn't have gone there so early.6．I offered to help him with the housework and then he told me he had finished.I needn't have done that.一、need的基本用法1．用作实义动词，后可接名词、代词、不定式和动名词，有时态、人称和数的变化。
Mark needs to learn Chinese since his pany is opening a branch in Beijing.马克需要学习汉语，因为他的公司要在北京开一个分公司。
The doctor said he needed an operation.医生说他需要手术。
高中英语外研版选修6 学业测评14 含解析(精修版)
外研版英语精品资料（精修版）学业分层测评(十四)Ⅰ.单句语法填空1．She has taken a lot of different medicines, but none has (cure)the disease.2．The police have now narrowed down their list of (suspect)．3．Her dress is almost (identify) to mine.4．(accompany) by her mother，she went to hospital for medical examination.5．By (analyse) the parts of the sentence, we learn more about English grammar.6．The situation in the world today is very (benefit) to developing countries.7．We often meet with a difficulty (arise) out of the peculiar natural conditions.8．The reason he was absent from the meeting was that he got stuck in the traffic.9．There is a lady at my school job is to hand out call-slips(索书单)and prevent students from leaving campus without permission.10．struck me most in the movie was the father's deep love for his son.【答案】 1.cured 2.suspects 3.identical 4.Accompanied 5.analysing6.beneficial7.arising8.why9.whose10.WhatⅡ.完成句子1．他的帽子同我的一模一样。
外研版2016-2017学年外研版英语选修6学业分层测评10
学业分层测评(十)Ⅰ.单句语法填空1．I feel a little (depress)or lonely when there is no concert for a long time.2．—In this day and age，women can have children and jobs as well.—I can't agree more.It's great to have the two (bine)．3．If you have any questions (regard)the tour，please feel free to ask me.4．By giving (concert)with other famous pianists，he collected enough money for saving the dying boy.5．She is always (share)her feelings and ideas with her friends.6．What (characteristic)distinguish the Americans from the Canadians?7．He says hundreds of thousands of homeless people are living with friends or (relative)．8．is surprising that only a few people came tonight.9．He likes playing football, but he doesn't like playing the piano，and it's the same Li Ming.10．These reading materials are true the students whose English are weak.【答案】 1.depressed 2.bined 3.regarding 4.concerts 5.sharing 6.characteristics7.relatives8.It9.with10.of/forⅡ.单句改错1．The detective thought the stick was relative with the murder case.2．I haven't received the goods from the pany，which is true about my friends.3．I don't want to make contacts with that pany for some special reasons.4．It's surprised that he won the first place.5．Jack is a good students and studies hard；so it is the same with Tom.【答案】 1.with→to 2.about→of/for 3.contacts→contact 4.surprised→surprising 5.去掉soⅢ.阅读理解【导学：38300048】Before I had my son, I spent two years working with children with disabilities.I learned that shouting and threats of punishment would result in a disaster.ing up against their behaviour could only make the job harder and their behaviour more extreme.I found something that worked, though.There was a very naughty boy in the nursery and a teacher who was generally very confident with the children was asked to take charge of him.One day the boy joined a session in the room next to mine.His appearance created an atmosphere of tension.He spent the entire session running around, hitting and kicking, and destroying property.I was in the craft room working with some other children when my coworker told me that this boy's teacher was in tears，and could not get control of the situation.As we were talking, the boy ran in.I told my coworker that I would take care of him.I closed the door.He was full of energy, throwing things around and making a huge mess.But I could see that he was doing all these to annoy me.He needed connection, and this was the only way he knew how to ask for it.So I sat back down and kept quiet.Then he slowed down and began making a rocket.I talked to him about it.We continued like this for a few minutes before I slipped into the conversation：“So what happened today？”It was purely a question, no blame or anger in my tone.I believe that if I had criticized him, the gate that was slowly opening would have shut firmly closed.He told me that the teacher didn't let him do what he knew well due to safety but asked him to do what he disliked.He also admitted that he had enjoyed making her run around and saw it as a game.I explained that his teacher had not seen it as a game and was very upset.This again was stated simply as a fact.I suggested that next time he had a session, he talk about what he hoped to do at the start, which might be easier for everyone.He agreed and was quiet for a moment.Then he looked at me with tears inhis eyes before quietly asking if he could go to find his teacher to apologize.【语篇解读】这是一篇记叙文。
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学业分层测评(十四)Ⅰ.单句语法填空1．She has taken a lot of different medicines, but none has (cure)the disease.2．The police have now narrowed down their list of (suspect)．3．Her dress is almost (identify) to mine.4．(accompany) by her mother，she went to hospital for medical examination.5．By (analyse) the parts of the sentence, we learn more about English grammar.6．The situation in the world today is very (benefit) to developing countries.7．We often meet with a difficulty (arise) out of the peculiar natural conditions.8．The reason he was absent from the meeting was that he got stuck in the traffic.9．There is a lady at my school job is to hand out call-slips(索书单)and prevent students from leaving campus without permission.10．struck me most in the movie was the father's deep love for his son.【答案】 1.cured 2.suspects 3.identical 4.Accompanied 5.analysing6.beneficial7.arising8.why9.whose10.WhatⅡ.完成句子1．他的帽子同我的一模一样。
His hat mine.2．我喜欢吃甜食，见到巧克力和冰淇淋就想吃。
I have a sweet tooth and chocolate and ice cream.3．你可以信赖我对你的帮助。
You may you.4．你凭什么怀疑钱是她偷的？What made you having taken the money?5．那就是他提出问题的原因。
That is he raised the question.【答案】 1.is identical to 2.can't resist eating3．rely on me to help 4.suspect her of 5.the reason whyⅢ.阅读理解AI'm sure many of you have seen Star Wars，Jurassic Park，Multiplicity, or many of the other movies that describe cloning.Most of what you see in these movies is false.What you don't know is that cloning could be dangerous，to the clone and to our society as a whole.It's immoral to have a human clone.What about identity? Humans are promised the right to their own personality.What would happen if we ignore those rights by giving them someone else's genetic identity? True, personality is not fixed in genetic fault of the cloned.Also, there is a large power struggle here.Cloning means a degree of power and control over another person's physical identity and that ignores their rights and their only personality.The person doing the cloning would have more power than any parent would have.Cloning would also deal with killing embryons(胚胎)．You might not have known, but Dolly, the sheep that was cloned in 1996, was one of over 200 sheep embryos and hers was the only embryo that survived.The rest died or were thrown away.Imagine if the failure rate was that high when we started to clone humans.More than 200 embryos, the start of 200 human beings, would die for the sake of just one embryo that would have the same DNA as someone else.Cloning someone, at this present time, would be extremely dangerous to the birth mother and the clone.In studies done on cows，4 out of 12 birth mothers died.There is a very high failure rate, which is showed in the cloning of Dolly.Even if you had a few good embryos, failures have been noticeable in animal tests.So, should we work ahead in the world of cloning? I say no.The risks are greater than the benefits.It's dangerous to the clone and to the birth mother.We would be killing human lives in the process.It would also be a violation (侵害) of the clone's right to its own genetic identity and personality.1．According to the article, what is the author's opinion about identity?A．Cloning itself gives parents great power over identity.B．People's identity is completely determined by their genes.C．Governments have the rights to confirm people's identities.D．Cloning may prevent people from possessing their identity.【解析】推理判断题。
根据文章第二段中的“Humans are promised the right to their own personality.”以及后面的内容判断。
【答案】 D2．From Paragraph 4 we can infer that ．A．human cloning is much more difficult than animal cloningB．Dolly is the most successful one among 200 sheep embryosC．cloning means running the risk of wasting too much effortD．numbers of baby animals are likely to be created by cloning【解析】推理判断题。
根据文章第四段中的“The rest died or were thrown away.”可知。
【答案】 C3．Why does the author mention some movies in the first paragraph?A．To introduce the topic of the article.B．To present his idea about the movies.C．To state the conclusion first.D．To make the article unusual.【解析】推理判断题。
作者在文章的开头提到几部电影，目的是为了引出“克隆”这个话题。
【答案】 A4．What is the author's attitude toward cloning?A．He is in favor of it.B．He is against it.C．He takes it for granted.D．The passage doesn't say.【解析】观点态度题。
根据最后一段中的“So，should we work ahead in theworld of cloning？I say no.”可知，作者持反对态度。
【答案】 BB【导学号：38300052】When European settlers arrived in North America, they brought European diseases with them.Then, huge numbers of Native Americans began dying from smallpox (天花) infection.Five-hundredyear-old documents record this tale, but now scientists say they've found other evidence buried deep inside human cells.In a new study，Brendan O'Fallon and Lars FehrenSchmitz report evidence found in genes that the Native American population dropped by half after the arrival of Europeans.O'Fallon studies genes at ARUP Laboratories in Salt Lake City, while FehrenSchmitz is a scientist who studies humankind, at the University of Gottingen in Germany.Cells make up every part of the body.Deep inside almost every cell is a long，coiled molecule (盘绕颗粒) called DNA.Genes are parts of DNA that play important roles in determining one's life.Genes help determine a person's appearance, such as skin color and height, and also play a role in many things you can't see, like the chance of getting a disease.Genes change over time, and by following these changes scientists can learn about a person's ancestors.O'Fallon and FehrenSchmitz looked at genes in the mitochondria of cells.(Mitochondria are like factories that help cells use energy from food.) The scientists compared DNA from the remains of ancient Native Americans with DNA from living people descended (遗传) from Native Americans.The scientists studied patterns in the genes from the two groups and identified ways that the patterns changed over ing statistics, which includes useful mathematical tools for analyzing large amounts of data, the researchers were able to judge the size of the Native American population before and after the Europeans' arrival.The comparison showed the number of native people reduced sharply after European settlers landed in the New World.Earlier genetic studies didn't have evidence of the Native American dieoff.Scientists involved in the new study say that there's now more data from ancient remains, so researchers can get a better idea of what happened.【语篇解读】基因承载了人类遗传密码，是随时间的推移而不断变化的。