大学英语四级改革适用（听力）-试卷257及答案解析.doc

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1、大学英语四级改革适用（听力）-试卷 257及答案解析(总分：50.00，做题时间：90 分钟)一、Listening Comprehens(总题数：12，分数：50.00)1.Part II Listening Comprehension_2.Section A_A.An 18-year-old man.B.A 27-year-old man.C.A 29-year-old man.D.A 19-year-old man.A.The suspects were arrested on Friday.B.The weapon involved in the incident hasnt been

2、 found.C.The dead person was confirmed as a gangster.D.The victim was killed by mistake.A.Police.B.Parents.C.Government officials.D.Teachers.A.Poverty was the main cause of forced child labor.B.Many Indian children had skin diseases.C.Fifteen men have been charged with human-trafficking.D.200 Indian

3、 children were rescued by police.A.He strongly disagrees with other scientists.B.He is very worried about the development of AI.C.He is helping to improve a technology called artificial intelligence.D.He is taking action to save mankind from a catastrophe.A.Tesla.B.Hawking.C.Musk.D.Bostrom.A.A Googl

4、e manager is supporting the advancement of AI.B.The Watson supercomputer has defeated the greatest players of Jeopardy.C.In more and more pursuits, machines are outdoing humans.D.Many scientists fear the threat that AI may pose to human beings.3.Section B_A.He teaches in a law school.B.He loves clas

5、sical music.C.He is a diplomat.D.He is a wonderful lecturer.A.Went to see a play.B.Watched a soccer game.C.Took some photos.D.Attended a dance.A.Monday night.B.Sunday night.C.Saturday night.D.Friday night.A.She decided to get married in three years.B.Her mother objected to Erics flying lessons.C.She

6、 insisted that Eric pursue graduate studies.D.Her father said she could marry Eric right away.A.Editor.B.Teacher.C.Journalist.D.Typist.A.The beautiful Amazon rainforests.B.A new railway under construction.C.Big changes in the Amazon valley.D.Some newly discovered scenic spot.A.In news weeklies.B.In

7、newspapers Sunday editions.C.In a local evening paper.D.In overseas editions of US magazines.A.To be employed by a newspaper.B.To become a professional writer.C.To sell her articles to a news service.D.To get her life story published soon.4.Section C_A.Nodding ones head.B.Waving ones hand.C.Holding

8、up the forefinger.D.Turning the right thumb down.A.Looking away from them.B.Forming a circle with fingers.C.Bowing ones head to them.D.Waving or pointing to them.A.Looking ones superior in the eye.B.Keeping ones arms folded while talking.C.Showing the sole of ones foot to a guest.D.Using a lot of ge

9、stures during a conversation.A.They had to beg for food after the harvest.B.They grew wheat and com on a small farm.C.They shared a small flat with their relatives.D.The children walked to school on dirt roads.A.Tour Ecuadors Andes MountainsB.Earn an annual income of $2,800.C.Purchase a plot to buil

10、d a home on.D.Send their children to school.A.The achievements of the Trickle Up Program.B.A New worldwide economic revolution.C.Different forms of assistance to the needy.D.The life of poor people in developing countries.A.They are highly sensitive to cold.B.They are vitally important to our life .

11、C.They are a living part of our body.D.They are a chief source of our pain.A.It has to be removed in time by a dentist.B.It is a rare oral disease among old people.C.It contains many nerves and blood vessels.D.It is a sticky and colorless film on the teeth.A.It can change into acids causing damage t

12、o their outer covering.B.It greatly reduces their resistance to the attacks of bacteria.C.It makes their nerves and blood vessels more sensitive to acid food.D.It combines with food particles to form a film on their surface.A.Food particles.B.Gum disease.C.Unhealthy living habits.D.Chemical erosion.

13、大学英语四级改革适用（听力）-试卷 257答案解析(总分：50.00，做题时间：90 分钟)一、Listening Comprehens(总题数：12，分数：50.00)1.Part II Listening Comprehension_解析：2.Section A_解析：A.An 18-year-old man.B.A 27-year-old man. C.A 29-year-old man.D.A 19-year-old man.解析：A.The suspects were arrested on Friday.B.The weapon involved in the incident h

14、asnt been found.C.The dead person was confirmed as a gangster. D.The victim was killed by mistake.解析：A.Police.B.Parents.C.Government officials.D.Teachers. 解析：A.Poverty was the main cause of forced child labor. B.Many Indian children had skin diseases.C.Fifteen men have been charged with human-traffi

15、cking.D.200 Indian children were rescued by police.解析：A.He strongly disagrees with other scientists.B.He is very worried about the development of AI. C.He is helping to improve a technology called artificial intelligence.D.He is taking action to save mankind from a catastrophe.解析：A.Tesla.B.Hawking.C

16、.Musk. D.Bostrom.解析：A.A Google manager is supporting the advancement of AI. B.The Watson supercomputer has defeated the greatest players of Jeopardy.C.In more and more pursuits, machines are outdoing humans.D.Many scientists fear the threat that AI may pose to human beings.解析：3.Section B_解析：A.He tea

17、ches in a law school.B.He loves classical music.C.He is a diplomat. D.He is a wonderful lecturer.解析：A.Went to see a play.B.Watched a soccer game. C.Took some photos.D.Attended a dance.解析：A.Monday night.B.Sunday night. C.Saturday night.D.Friday night.解析：A.She decided to get married in three years.B.H

18、er mother objected to Erics flying lessons.C.She insisted that Eric pursue graduate studies.D.Her father said she could marry Eric right away. 解析：A.Editor.B.Teacher. C.Journalist.D.Typist.解析：A.The beautiful Amazon rainforests.B.A new railway under construction.C.Big changes in the Amazon valley. D.S

19、ome newly discovered scenic spot.解析：A.In news weeklies.B.In newspapers Sunday editions. C.In a local evening paper.D.In overseas editions of US magazines.解析：A.To be employed by a newspaper.B.To become a professional writer.C.To sell her articles to a news service. D.To get her life story published s

20、oon.解析：4.Section C_解析：A.Nodding ones head. B.Waving ones hand.C.Holding up the forefinger.D.Turning the right thumb down.解析：A.Looking away from them.B.Forming a circle with fingers.C.Bowing ones head to them.D.Waving or pointing to them. 解析：A.Looking ones superior in the eye.B.Keeping ones arms fold

21、ed while talking.C.Showing the sole of ones foot to a guest. D.Using a lot of gestures during a conversation.解析：A.They had to beg for food after the harvest. B.They grew wheat and com on a small farm.C.They shared a small flat with their relatives.D.The children walked to school on dirt roads.解析：A.T

22、our Ecuadors Andes MountainsB.Earn an annual income of $2,800.C.Purchase a plot to build a home on.D.Send their children to school. 解析：A.The achievements of the Trickle Up Program. B.A New worldwide economic revolution.C.Different forms of assistance to the needy.D.The life of poor people in develop

23、ing countries.解析：A.They are highly sensitive to cold.B.They are vitally important to our life .C.They are a living part of our body. D.They are a chief source of our pain.解析：A.It has to be removed in time by a dentist.B.It is a rare oral disease among old people.C.It contains many nerves and blood v

24、essels.D.It is a sticky and colorless film on the teeth. 解析：A.It can change into acids causing damage to their outer covering. B.It greatly reduces their resistance to the attacks of bacteria.C.It makes their nerves and blood vessels more sensitive to acid food.D.It combines with food particles to form a film on their surface.解析：A.Food particles.B.Gum disease. C.Unhealthy living habits.D.Chemical erosion.解析：