大学英语四级(2013年12月考试改革适用)-试卷216及答案解析.doc
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1、大学英语四级(2013 年 12 月考试改革适用)-试卷 216 及答案解析(总分:118.00,做题时间:90 分钟)一、Writing(总题数:2,分数:4.00)1.Part I Writing(分数:2.00)_2.For this part, you are allowed 30 minutes to write a letter to send your apologies to one of your teachers because you were late. You should write at least 120 words but no more than 180 w
2、ords.(分数:2.00)_二、Listening Comprehens(总题数:12,分数:50.00)3.Part II Listening Comprehension_4.Section A_A.They are safe in daily use.B.They can be put on skins except faces.C.No chemicals should be used in daily life.D.Children should not use them.A.To inspect harmfulness of chemical mixtures.B.To prove
3、 chemicals are harmless.C.To produce safe chemicals.D.To study chemical compositions.A.They are rare species.B.They protect the environment.C.They pollinate crops and wild plants.D.They protect crops and wild plants.A.Chemicals should be used as many as possible.B.Chemicals should be used only if ne
4、cessary.C.Chemicals should be used as few as possible.D.Chemicals should be used once a month.A.In Australia and Africa.B.In Austria and Africa.C.In Australia and America.D.In Austria and America.A.Better medical equipment.B.More health care.C.Better education.D.More job chances.A.Its about 2,500 po
5、unds.B.Its about 2,500 dollars.C.Its about 250 pounds.D.Its about 250 dollars.5.Section B_A.The number of families is reduced a lot.B.More young people seldom stay at home.C.Relatives seldom live in the same place.D.The family members live in the same place.A.She wishes her parents live with her.B.S
6、he wishes her parents live alone.C.She wishes her parents live in a retirement room.D.She wishes her parents live with her siblings.A.He is always in trouble at home.B.He is reluctant to live with his parents.C.He often fights with other persons.D.He doesnt study hard.A.He likes living alone.B.His h
7、ouse is far from his parents house.C.He is busy with his business.D.He always quarrels with his parents.A.He is looking for a job.B.He is looking for a house.C.He is looking for a roommate.D.He is looking for an agent.A.A roommate who does not snore.B.A roommate who does not smoke.C.A roommate who i
8、s very tidy.D.A roommate who loves studying.A.A flat with two bedrooms.B.An unfurnished apartment.C.A well-decorated apartment.D.A furnished bedroom in a shared flat.A.Help do housework.B.Bargain with the landlord.C.Agree to share with others.D.Sign a contract for two years.6.Section C_A.They cant l
9、ose weight.B.They can lose weight by cutting calories or exercising.C.They really cant keep the weight off.D.They should be on a diet to lose weight.A.Senior people are less likely to gain weight.B.Senior people are more likely to gain weight.C.Once people get fat, they will suffer various problems.
10、D.Once people get fat, they gain weight steadily.A.It may have a negative influence.B.It plays a very significant role.C.It is meaningless.D.It can have a positive impact.A.Prevent the students doing any movement.B.Give students more time to rest.C.Bring students more activities.D.Adopt the same tea
11、ching plan for a long time.A.It can help teachers interact with the students.B.It just shows the words to students.C.It can reduce the dust in the classroom.D.It can save teachers time.A.Students ability to study.B.Students ability to do activities.C.Students ability to maintain attention.D.Students
12、 ability to communicate with others.A.Pot using.B.Wet cloth.C.Sand.D.Temperature.A.People who eat spoiled food may get sick.B.Farmers have to throw away spoiled products.C.Farmers have to sell the spoiled products quickly at a low price.D.People need money to dispose of the spoiled food.A.By electri
13、city.B.Through an evaporation process.C.Through a freezing process.D.With the help of some special bacteria.A.He sold his invention to make money.B.He preferred invention to teaching.C.He was honored with an award for his teaching method.D.He financed 5,000 pot-in-pot systems to help people.三、Readin
14、g Comprehensio(总题数:8,分数:60.00)7.Part III Reading Comprehension_8.Section A_Is technology changing our brains? A new study adds to a growing body of research that says it is. According to the study, a 1shift in how we gather information and communicate with one another has touched off an era of rapid
15、 evolution that may 2change the human brain as we know it. The impact of technology on our brain should not come as a 3. Professional musicians have more gray matter in brain regions 4for planning finger movements. And athletes brains are bulkier in areas that 5hand-eye coordination. Thats because t
16、he more time you devote to a specific activity, the stronger the neural(神经系统的)pathways responsible for executing that activity become. So it makes 6that people who process a constant stream of digital information would have more neurons dedicated to filtering(过滤)that information. To see how the Inte
17、rnet might be rewiring us, the brains of 24 adults were 7as they performed a simulated Web search, and again as they read a page of text. During the Web search, those who reported using the Internet 8in their everyday lives showed twice as much signaling in brain regions responsible for decisionmaki
18、ng and complex reasoning, compared with those who had 9Internet exposure. The findings suggest that Internet use enhances the brains 10to be stimulated, and that Internet reading activates more brain regions than printed words. A)abundant F)limited K)scarcely B)capacity G)monitored L)sense C)control
19、 H)regularly M)stability D)dramatic I)responsible N)surprise E)immediately J)restrain O)ultimately(分数:20.00)填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_10.Section B_Weve Been Imagining Mountains All Wrong, Say Scientists A)From the simplest sketches to the most advanced sci
20、entific models, illustrations of mountains pretty much all look the same. Their classic pyramid form, wider at the bottom and narrowing all the way up to the top, has been ingrained in the human mind, and scientists have always assumed that the land area in mountain ranges decreases the higher you c
21、limb. Until now, that is. B)New research published Monday in Nature Climate Change reveals a surprising discovery that not only changes the way we think about mountains but could also have big implications for how we understand, monitor and protect the organisms that call them home. It turns out mou
22、ntain ranges dont just come in the familiar pyramid formin fact, most of them have a different shape entirely. C)Researchers Morgan Tingley and Paul Elsen used satellite data on mountain ranges from around the globe to analyze how the amount of the land area changed with increasing elevation(海拔). Th
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