专业四级-757及答案解析.doc
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1、专业四级-757及答案解析 (总分:140.00,做题时间:90分钟)一、PART DICTATION(总题数:1,分数:15.00)1.Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be read at normal speed, listen and try to understand the meaning. For the second and third readings, the
2、passage will be read sentence by sentence, or phrase by phrase, with intervals of 15 seconds. The last reading will be read at normal speed again and during this time you should check your work. You will then be given 2 minutes to cheek through your work once more.(分数:15.00)_二、PART LISTENING COM(总题数
3、:0,分数:0.00)三、SECTION A CONVERSATI(总题数:0,分数:0.00)四、Questions 1 to 3 are(总题数:3,分数:3.00)2.Why did the woman have to stop playing in the volleyball game?(分数:1.00)A.She had to go home.B.She was too tired to continue.C.She had to finish her schoolwork.D.She was thirsty.3.How did the woman spend last weeke
4、nd?(分数:1.00)A.Relaxing at the seashore.B.Visiting her parents.C.Sailing on a boat.D.Preparing for a rac4.Why didnt the woman go swimming?(分数:1.00)A.She doesnt know how to swim.B.The water was too deep.C.The water was too cold.D.She didnt have enough tim五、Questions 4 to 7 are(总题数:4,分数:4.00)5.Accordin
5、g to the professor, why is the buffalo population increasing?(分数:1.00)A.More buffalo are surviving the winter.B.Fewer buffalo are dying of disease.C.More buffalo are being born.D.Fewer buffalo are being killed by hunters.6.Why does the professor think Ann would be interested in going to Yellow Stone
6、?(分数:1.00)A.She is from Wyoming.B.She needs the money.C.She has been studying animal diseases.D.Her thesis adviser is heading the project.7.What did the professor want to talk to Ann about?(分数:1.00)A.A vacation trip to Yellowstone Park.B.A lecture by a visiting professor.C.Her biology thesis.D.A res
7、earch project.8.How will Ann probably spend the summer?(分数:1.00)A.Collecting information about the bacteria.B.Working on a cattle ranch.C.Writing a paper about extinct animals.D.Analyzing buffalo behavior.六、Questions 8 to 10 ar(总题数:3,分数:3.00)9.How did people in the early Ice Age keep warm?(分数:1.00)A
8、.They lived in large groups.B.They used sand as insulation.C.They kept fires burning constantly.D.They faced their homes toward the sout10.What does the man want the woman to do?(分数:1.00)A.Meet his anthropology teacher.B.Lend him her magazine when shes clone with it.C.Come over to his house after cl
9、ass.D.Help him study for an anthropology test.11.What did the man think about the people of the Ice Age?(分数:1.00)A.They lived in caves.B.They traveled in groups.C.They had an advanced language.D.They ate mostly fruit.七、SECTION B PASSAGES(总题数:0,分数:0.00)八、Questions 11 to 13 a(总题数:3,分数:3.00)12.What imp
10、ortant discovery about seismic waves does the instructor mention?(分数:1.00)A.They occur at regular intervals.B.They can withstand great heat.C.They travel through the Earths interior.D.They can record the Earths internal temperatur13.What did P and S waves help scientists discover about the layers of
11、 the earth?(分数:1.00)A.How deep they are.B.Where earthquakes form.C.How hot they are.D.What purpose they serv14.What is the purpose of the talk?(分数:1.00)A.To review what students know about volcanic activity.B.To demonstrate the use of a new measurement device.C.To explain the answer to an examinatio
12、n question.D.To provide background for the next reading assignment.九、Questions 14 to 17 a(总题数:4,分数:4.00)15.According to the professor, what can a speaker do to keep an audiences attention?(分数:1.00)A.Speak very loudly.B.Ask questions frequently.C.Vary tone, volume, and speed of speech.D.Limit the spe
13、ech to fifteen minutes.16.What are the students going to use a tape recorder for?(分数:1.00)A.To practice speaking slowly.B.To record a voice from the television.C.To play a speech by the professor.D.To evaluate their own voices.17.According to the professor, how can a speaker indicate that the topic
14、is about to change?(分数:1.00)A.By pausing.B.By raising pitch.C.By lowering register.D.By pointing to a chart.18.What recommendation does the professor make about volume?(分数:1.00)A.Always use a microphone.B.Avoid large rooms.C.Never vary the volume.D.Not to shout.十、Questions 18 to 20 a(总题数:3,分数:3.00)1
15、9.What is one reason astronomers make long-time exposures?(分数:1.00)A.To spend less time at their telescopes.B.To overcome the problem of weak light.C.To take more photographs.D.To photograph astronomical objects without using a telescop20.Why do astronomers often use photographic plates?(分数:1.00)A.T
16、o decrease the time it takes to photograph objects.B.To avoid using a telescope.C.To sharpen the color of what they observe.D.To obtain images of distant objects.21.According to the speaker, what do people often think about astronomers?(分数:1.00)A.They spend most of their time looking through telesco
17、pes.B.They are constantly analyzing data.C.They often live near observatories.D.They devote a lot of time to theoretical problems.十一、SECTION C NEWS BROAD(总题数:0,分数:0.00)十二、Questions 21 to 23 a(总题数:3,分数:3.00)22.The shuttle flies to the earth at _ an hour after reentering the atmosphere.(分数:1.00)A.7,00
18、0B.17,000C.27,000D.70,00023.The space shuttle _ broke apart and burned up while reentering Earths atmosphere in 2003.(分数:1.00)A.WashingtonB.CaliforniaC.ExplorerD.Columbia24.Why has the return of Discovery been delayed for 24 hours?(分数:1.00)A.Because of mechanical faults aboard.B.Because of unfinishe
19、d work.C.Because of the bad weather at the landing site.D.Because of unknown reason.十三、Questions 24 and 25 (总题数:2,分数:2.00)25.Who is Francisco Paz?(分数:1.00)A.President of Venezuelas National Aviation InstituteB.President of VenezuelaC.Venezuelas Transportation MinisterD.Venezuelas Interior Minister26
20、.What has happened in Venezuela, according to the news?(分数:1.00)A.Serious car accident.B.Plane crash.C.Collision of trains.D.Missing of a plan十四、Question 26 and 27 a(总题数:2,分数:2.00)27.What has the NASA report revealed?(分数:1.00)A.The global warming is slowing down.B.The worlds climate is changing dram
21、atically.C.The ice around the arctic is disappearing very quickly.D.A big storm has been formed around the arcti28.Which of the following statements is NOT true?(分数:1.00)A.Floating ice makes it difficult for polar bears to hunt seals.B.Arctic sea ice melts at a rate of 8%.C.Sea ice decreases to the
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- 专业 757 答案 解析
