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精品2016年12月大学英语四级考试模拟试卷及答案(21)

精品2016年12月大学英语四级考试模拟试卷及答案(21)
精品2016年12月大学英语四级考试模拟试卷及答案(21)

2016年12月大学英语四级考试模拟试卷及答案

(21)

Part Ⅱ Reading Comprehension (35 minutes)

Directions: There are 4 passages in this part.Each passage is followed by some questions or unfinished statements.For each of them there are four choices marked A),B),C) and D).You should decide on the best choice and mark the corresponding letter on the Answer Sheet with a single line through the center.

Questions 21 to 25 are based on the following passage:

Some radio singals were heard in 1967.They were coming from a point in the sky where there was unknown star.They were coming very regularly,too:about once a second,if they were controlled by clock.

The scientists who heard the signals did not tell anybody else.They were rather afraid to tell in case they frightened people.The signals were coming from a very small body―no bigger,perhaps than the earth.Was that why no light could be seen from it?Or were the signals coming from a planet that belonged to some

other star?There was no end to the questions,but the scientists kept the news secret.“Perhaps there are intelligent beings out there.”they thought,“who are trying to send messages to other planets,or to us?So the news was not given to the newspaper.Instead,the scientists studied the signals and searched for others like them...Well,all that happened in 1967 and

1968.Since then scientists have learnt more about those strange,regular,radio signals.And they have told the story,of course.

The signals do not come from a planet;they come from a new kind of star called a “pulsar””.About a hundred other pulsars have now been found,and most of them are very like the first one.

Pulsars are strong radio stars.They are the smallest but the heaviest stars we know at present.A handful of pulsar would weigh a few thousand

tons.Their light―if they give much light―is too small for us to see.But we can be sure of this,no intelligent beings are living on them.

21. The radio signals discussed in this

passage____.

A.were regular

B.were controlled by a clock

答案

1

短文大意

1967年人类收到了一些太空信号。这些信号来自太空中

的某一恒星领域,它们极有规律,难道这是外星人向地球或我们发收的信号?为了不致在人们当中造成恐慌,科学家们一直保守着这个秘密,并且一直对它们进行研究。如今,当然一切都真相大白。原来这些信号都来自一种叫脉冲星的恒星,它们的密度极大连光线也难以逃逸。但有一点可以确定,上面没有智能生命存在。

21. 答案A。

【参考译文】文中讨论到的电磁信号……

【试题分析】此题考查考生“辨认事实”的能力。

【详细解答】见原文第一段,“They were coming very regularly,too.”他们同样非常有规律,与 A)项同意。

B)were controlled by a clock.由时钟控制,原文前面有一表示“似乎的”连词 if。C),D)根据下文判断都不正确。

22. 答案C。

【参考译文】这些电磁信号来自于……

【试题分析】此题考查考生“根据已知信息进行推断”的能力。

【详细解答】见原文第三段“...they come from a new kind of star called a “pulsar””他们来自一种叫脉冲星的新型恒星。 A) a satellite卫星,B)a planet行星,D)当时未知的智能生命。

23. 答案C。

【参考译文】科学家们没有把有关电磁信号的事情告诉

人们是因为……

【试题分析】此题考查考生“理解文章中某些细节”的

能力。

ぁ鞠晗附獯稹见原文第二段开头“ The scientists who heard the singals did not tell anybody else.They were rather afraid to tell in case they frightened people.”听到该信号的科学家未告诉别人,他们害怕这样会惊吓了老百姓。因此选择 C。

24. 答案A。

【参考译文】脉冲星是……

【试题分析】此题考查考生“辨认事实”的能力。

【详细解答】见原文第四段,实际由“star”这个单词

就可排除B),C)和D)选项。

25. 答案D。

【参考译文】以下说法,哪一个是正确的?

【试题分析】此题考查考生“根据已知信息进行推理”

的能力。

【详细解答】见原文第三段最后一句“About a hundred other pulsars have now been found...”因此D)项正确,

其他各项均与原文意思不符。

2

短文大意

本文主要讨论的是沙漠扩张的问题。人们赖以生存的降雨及植被在不断减少,地球上 40%的土地已成了沙漠或已沙漠化,1/7的人口生活在干旱地区,以及现代生活造成的一些问题使

人类生存日益受到沙漠扩张的威胁。虽然科学家还未能彻底了解沙漠问题,但是一些保护土地的措施已被采用,人们在与沙漠抗争。

26. 答案A。

【参考译文】本文主要谈论的是什么?

【试题分析】此题考查考生“把握文章主旨及大意”的

能力。

【详细解答】全文主要阐述了沙漠扩散带来的水源缺乏

的问题,以及人们采取的措施。 A)符合该中心思想;B),C)和D)虽在文中提到过但作为主要思想,过于片面。

27. 答案C。

【参考译文】 1/7指的是……

【试题分析】此题考查考生“理解文章中某些细节”的

能力。

【详细解答】见原文第一段第三句“ About 628

million people -one out of seven-live in these dry regions.”大约628,000,000(约为1/7)的人住在这些干旱

地区。C)项符合所指代的内容,为正确答案。

28. 答案C。

【参考译文】在第二段中,“他们被送往南方的绿草地”,他们指的是……

【试题分析】此题考查考生“理解文章中某些细节”的能力。

【详细解答】见原文最后一句“ Some Sahel farmers still raise cattle on their poor farm land,but before the cattle are sold,they are taken to greener lands in the south to get fat”一些Sahel农民在他们贫瘠的农场上仍然饲养着牛群,但在把他们卖出之前,往往要送到南方多草的土地上以增肥。 they指代前面的the cattle。因此C为正确选项。

29. 答案D。

【参考译文】文中描述了几种保护土地的创意?

【试题分析】此题考查考生“根据已知信息进行推断”的能力。

【详细解答】见原文第二段“...but there have been many ideas for saving the land.”但已有了许多保护土地的创意。以下各句即为例证,确定其数目为 3,因此D为正确选项。

30. 答案A。

【参考译文】根据短文,以下说法,哪个是正确的?

【试题分析】此题考查考生“辨认事实”的能力。

【详细解答】见原文第一段最后一句“Now largely through problems caused by modern life,their existence is threatened by the slow,steady spread of the earth's deserts.”现在由于现代生活产生的一些问题,他们生存日益受到地球沙漠逐步缓慢扩散的威胁。因此A为正确选择。B)中正确数目应为one out of seven,C)应是modern problems,D)文中未提及。

C.were heard in 1967 only

D.were secret messages

22. The radio singals were sent by____.

A.a satellite

B.a planet

C.a sky body which was unknown at that time

D.intelligent beings who were unknown at that time

23. The scientists did not tell people about the signals because____.

A.the singals stood for secret messages

B.people would ask them too many questions

C.they did not want to frighten people

D.they stood for unimportant messages

24. A pulsar is____.

A. a small heavy star which sends out strong radio signals and cannot be seen

B. a small heavy planet which sends out strong radio signals and cannot be seen

C. a small heavy satellite which sends out strong radio signals and cannot be seen

D. a small intelligent being who sends out strong radio signals and cannot be seen

25. Which of the following is true?

A.One of the pulsars found by scientists sends radio signals.

B.Pulsar began to send radio singals in 1967.

C.Scientists have searched for pulsars for many years but found none.

D.Scientists have found many pulsars since 1967.

Questions 26 to 30 are based on the following passage:

Over vast areas of every continent,the rainfall and vegetation necessary for life are

disappearing.Already more than 40 percent of the earth's land is desert or desertlike.About 628 million people―one out of seven―live in these dry regions.In the past,they have managed to survive,but with difficulty.[ZZ(Z]Now largely through problems

caused by modern life,their existence is threatened by the slow,steady spread of the earth's deserts.

Scientists still do not understand all the complex problems of the desert,but there have been many ideas for saving the land.Sandi Arabia has planted 10

million trees to help keep the sand from taking over fertile areas.The Israelis are aga in using some of the water collection systems left by the ancient people in the

Negev desert.They plan to water their orchards with the extra water.Some Sahel farmers still raise cattle on their poor farm land,but before the cattle are sold, they are taken to greener lands in the south to get fat.

26. What is the article mainly concerned?

A.The problem of spreading desert.

B.The rainfall and vegetation in desert areas.

C.The water collection systems.

D.The difference between modern life and ancient life.

27. “one out of seven” refers to____.

A.more than a third of the lands' earth

B.the percentage of the earth's land that is desert-like

C.the number of people who live in dry regions

D.a day of a week

28. In paragraph 2,“they are taken to the greener lands in the south.”They

refers to____.

A.the Sahel farm land

B.the farmers

C.the cattles

D.the trees

29. How many ideas for saving the land are described?

A.Five.

B.Two.

C.Four.

D.Three.

30. Which of the following statements is true, according to the passage?

A.The earth's desert are slowly spreading.

B.One out of 10 people lives in dry regions.

C.Their life in the desert is threatened now by traditional problems.

D.New water wells can solve the problem in

Africa's desert.

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Calculate for a moment what could be done with even a part of those hours. Five thousand hours, I am told, are what a typical college undergraduate spends working on a bachelor's degree. In 10,000 hours you could have learned enough to become an astronomer or engineer. You could have learned several languages fluently. If it appealed to you, you could be reading Homer in the original Greek or Dostoyevsky in Russian. If it didn't, you could have walked around the world and written a book about it. The trouble with television is that it discourages concentration. Almost anything interesting and rewarding in life requires some constructive, consistently applied effort. The dullest, the least gifted of us can achieve things that seem miraculous to those who never concentrate on anything. But Television encourages us to apply no effort. It sells us instant gratification(满意). It diverts us only to divert, to make the time pass without pain. Television's variety becomes a narcotic(麻醉的), nor a stimulus. Its serial, kaleidoscopic (万花筒般的)exposures force us to follow its lead. The viewer is on a perpetual guided tour: 30 minutes at the museum, 30 at the cathedral, 30 for a drink, then back on the bus to the next attraction—except on television., typically, the spans allotted arc on the order of minutes or seconds, and the chosen delights are more often car crashes and people killing one another. In short, a lot of television usurps(篡夺;侵占) one of the most precious of all human gifts, the ability to focus your attention yourself, rather than just passively surrender it. Capturing your attention—and holding it—is the prime motive of most television programming and enhances its role as a profitable advertising vehicle. Programmers live in constant fear of losing anyone's attention—anyone's. The surest way to avoid doing so is to keep everything brief, not to strain the attention of anyone but instead to provide constant stimulation through variety, novelty, action and movement. Quite

2016年大学英语四级真题(第三套)完美Word打印版

2016年大学英语四级真题(第三套)完美Word打印版

2016年6月四级考试真题(第三套) Part Ⅰ Writing (30 minutes) Directions:For this part,you are all owed 30 minutes to write a l etter to express your thanks to one of your school teachers upon entering coll ege.You shoul d write at l east 120 words but no more than 180 words. Part Ⅱ Listening Comprehension (25 minutes) 说明:2016年6月四级真题全国共考了两套听力。本套(即第三套)的听力内容与第二套的完全一样,只是选项的顺序不一样而已,故在本套中不再重复给出。 Part Ⅲ Reading Comprehension (40 minutes) Section A Directions:In this section,there is a passage with ten blanks.You are required to select one word for each blank from a list of choices given in a word bank following the passage.Read the passage through carefully before making your choices.Each choice in the bank is identified by a l etter.Pl ease mark the corresponding l etter for each item on Answer Sheet 2 with a singl e line through the centre.You may not use any of the words in the bank more than once. Physical activity does the body good,and there’s growing evidence that it helps the brain too.Researchers in the Netherlands report that children who get more exercise,whether at school or on their own.26 to have higher GPAs and better scores on standardized tests.In a 27 of 14 studies that looked at physical activity and academic 28,investigators found that the more children moved.the better their grades were in school,29 in the basic subjects of math,English and reading. The data will certainly fuel the ongoing debate over whether physical education classes should be cut as schools struggle to 30 on smaller budgets.The arguments against physical education have included concerns that gym time may be taking away from study time.With standardized test scores in the U.S.31 in recent years,some administrators believe students need to spend more time in the classroom instead of on the playground.But as these findings show,exercise and academics may not be 32 exclusive.Physical activity can improve blood 33 to the brain,fueling memory,attention and creativity,which are34 to learning.And exercise releases hormones that can improve 35 and relieve stress,which can also help learning.So while it may seem as if kids are just exercising their bodies when they,re running around,they may actually be exercising their brains as well. A.attendance B.consequently C.current D.depressing E.dropping F.essential G.feasible H.flow I.mood J.mutually K.particularly L.performance M.review N.survive O.tend Section B Directions:In this section,you are going to read a passage with ten statements attached to it.Each statement contains information given in one of the paragraphs.Identify the paragraph from which the information is derived You may choose a paragraph more than once.Each paragraph is marked with a l etter.Answer the questions by marking the corresponding l etter on Answer Sheet 2. Finding the Right Home—and Contentment,Too A.When your elderly relative needs to enter some sort of long.term care facility-a moment few parents or

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