大学英语自学教程下册课后习题答案.docx

1、大学英语自学教程下册课后习题答案第一单元 Text A Exercises for the TextI. 1.d 2.c 3.c 4.a 5.dII. 1.alternative 2.fundamental 3.accompany 4.implement 5.preccedent 6.attain 7.objectives 8.vary 9.multiple 10.isolateIII. 1.c 2.d 3.i 4.j 5.g 6.e 7.h 8.1 9.f 10.bIV. our ; helped ; form ; front; to; passed; it; same;V.1.Decisi

2、on makers should be able to make the best guess at the guture.2.Some people think that everything managers do involves decision making.(or Some people think that everything managers do has something to do with decision making.)3.If there are no correct alternatives,there are no correct decisions to

3、be made.4.Since different people have different ideas about the same problem,so the approaches to it vary from person to person.5.Decision makers usually hold the key to the business development of the company. Vocabulary ExercisesI .1.a.be organized b.organizational c.organization2.a.simple b.simpl

4、ified c.simply d.simplification3.a.profit b.profitable c.profitability4.a.intention b.intended c.unintendedII. 1.preccdent 2.skilled 3.achievement 4.implement 5.optimal 6.goal 7.accomplish 8.accompanies 9.tendency 10.ongoingIII.1.His friend accompanied him to a concert.2.He has argued her out of her

5、 decision.3.he owed his success in part to luck.4.According to his suggestion,the formalities have been much simplified.5.The broadcasting station predicts that it will turn cold tomorrow.6.Motion is defined as a change in position or place. Text BExercises for the TextI. 1.T 2.T 3.F 4.F 5.F 6.F 7.F

6、 8.F 9.F 10.TII.1.preparation; confidence 2.idea 3.unattractive indifference 4.hardworking; personality; interest 5.speechless 6.holidays; pay 7.clean; neat; conservative 8.the floor beside your chair 9.politely; naturally 10.I beg your pardon? or Could you please repeat it? etc. Vocabulary Exercise

7、sI. 1.at a disadvantage 2.conservative 3.indifference 4.make sure 5.vague 6.clutched 7.turned down 8.to your advantage 9.neat 10.prospects 11.take the tuouble to 12.place Grammar ExercisesI. 1.连词；让步状语从句。尽管约翰想记住，却没能记住一个词。2.关系代词；非限定性定语从句。和他的兄弟们一样，哈利身材奇高。3.连词；比较状语从句。这儿有块大石头，没人能搬起它。4.连词；比较状语从句。他们的观点和我的一

8、样。5.连词；方式状语从句。像许多人从前那样，认为学习外语没有用是错误的。6.关系代词；非限定性定语从句。如从前所说，语法不是一套死规则。7.关系代词；非限定性定语从句。正如同学们所看到的，海伦有点疯疯癫癫的。8.关系代词；非限定性定语从句（带有插入语的性质）。你会发现所有的问题现在都已得到解决。9.前一个是副词，后一个是连词；比较状语从句。她和她姐姐跳得一样好。10.前一个是副词，后一个是连词；比较状语从句。他们同她一样爱她。11.连词；比较状语从句。他没有她那么老。12.介词；时间状语从句。当他还是个孩子时就参了军。13.习语；时间状语从句。趁你在这儿，咱们和不讨论一下咱们的计划？14.连

9、词；方式状语从句。他以他独特的视角来描写中国。15.习语；方式状语从句。他总是努力工作，好像从不感到疲倦。16.连词；方式状语从句；你怎么对待我，我就怎么对待你。17.副词；状语。 他是系主任，确实得他签署文件。18.介词，习语；定语。你要对整个工作负责。19.介词；宾语补语。他们把他看成是一个了不起的人。20.介词；主语补语。这怎么会被说成缺少经验呢？II.1.Can you throw a stone as far as that tree? 2.As regard that matter,I have no objection.3.AS to his mother,I know noth

10、ing about her. 4.As for you, I will never want to see you again.5.She does not own him as her own husband.6.He is a guest,and we should receive him as such.7.I, as well as you ,dont lie.8.As is the teacher,so is the pupil.9.Badly wounded as he was,he never lost hope. 10.Child as he is ,he can tell r

11、ight from wrong. 11.As he was ill,I went there alone.12.He reached out his hand as through he were trying to catch something.13.You had better manage the business as before. 14.We must study as long as we are alive.15.He has put his energy into literature-the same as his sisters have put theirs into

12、 music.16.They dont love him so much as she.17.He spoke so loudly as to be heard by all in the classroom.18.As is often the case,the girl forgot to bring her dictionary.19.They are doing the same work as I did last year.20.We have never doubted the honesty of so good a man as you are.III.1.I have th

13、e same opinion as he does. 2.He was ill,as were the other passengers.3.The man was knocked down by a car ,as was reported.4.He was not such a fool as to fail to see that point.5.He is not as healthy as John. 6.Spell the word as it is spelled in American English.7.As I was speaking, I saw a dog lying

14、 on the grass.8.Hard as he worked,he could not learn maths well.9.As is the father,so is the son. 10.He worked as an English teacher in a high school. 第二单元Text A Exercises for the TextI. 1.b 2.c 3.a 4.c 5.dII. 1.inadequate 2.astronomers 3.density 4.shrink 5.intense 6.boundary 7.theory 8.convince 9.i

15、nvisible 10.speculationIII. 1.density 2.observation 3.speculation 4.massiveness 5.region 6.graviation 7.relativity 8.basis 9.evidence 10.endlessnessIV. with; his; if; so; paper; out; the; betterV.1.Astronomers have not yet fully answered the question of what black holes are.2.It is said that a black

16、 hole can swallow up everything such as stars around it.3.The study of black holes is just beginning.Speculations about them are endless.4.Scientists can not tell what happens inside a black hole.5.If we get to know something about them, black holes will not be that frightful. Vocabulary ExercisesI.

17、 1.a. exploded b.explosion c.explosive 2.a.dense b.densely c.density3.a.measurable b.measurement c.measured 4.a.basis b.basic c.based d.basicallyII.1.implication 2.gravity 3.boundary 4.interchangeable 5.explode 6.galaxy 7.convincing 8.speculation 9.shrinks 10.suckingIII.1.A block hole exerts a stron

18、g gravitational pull.2.His company collapsed owing to mismanagement.3.Quite a few staellites were launched in the 80s in our country.4.Has the medicine begun to operate?5.He was swallowed up in darkness.(or Darkness swallowed him up.) Text BExercises for the TextI. 1.T 2.T 3.T 4.T 5.F 6.F 7.F 8.F 9.

19、F 10.TII. 1.planets; orbit 2.suns 3.life; vegetation 4.satellite; sun 5.very large separate; lesser6.one part; another part 7.nature; characteristics 8.plateaus; deserts; plains 9.religion; government; education; social behaviour 10.circumstancesVocabulary ExercisesI. 1.cloudless 2.above all 3.conce

20、rned 4.largely 5.glitter 6.As a rule 7.unlikely 8.thrilling 9.whereas 10.revolves 第三单元Text A Exercises for the TextI. 1.b 2.d 3.b 4.d 5.cII. 1.delay 2.recovery 3.lethal 4.debate 5.permit 6.guideline 7.majority 8.take into account 9.undermine 10.vulnerableII.1.a.Its different from the planned murder

21、of people.b.People have the fundamental right to choose death.c.There are situations where death is a friend.2.a.What the patient is actually asking for is something else.b.They may want a health professional to open up communication for them with their loved ones or family.3.a.The patientis experie

22、ncing extreme suffering. b.There is no chance of a cure. c.The patient has made requests for euthanasia. d.A second doctor must confirm that these criteria have been met and the death must be reported to the police department.IV.Cloze.spent; take; No; camera; down; taking; free; camelV.1.Euthanasia

23、does relieve the dying patients from their suffering.2.Do you konw that the Netherlands is the only country in Europe which permits the practice of euthanasia?3.It does not mean that doctors who are for this idea dont care for their patients.4.After a doctor makers a diagnosis,a second doctor must c

24、onfirm it.5.Those who are against it believe that patients do not really want to end their life,but that there is something else behind the request.Vocabulary ExercisesI. 1.a.considerably b.considerate c.consideration d.considerable2.a.able b.ability c.unable d.enable e.disabled f.disable3.a.traditi

25、onal b.tradition c.traditionallyII. 1.weaken 2.opt out 3.deteriorate 4.lethal 5.request 6.debate 7.is affected with 8.take; into account 9.elderly 10.vulnerable 11.sensitive 12.ensure 13.legalIII.1.They requested that the prisoners be released.2.His capability will ensure his success.3.They are goin

26、g to open up a nationwide debate.4.He is very sensitive to changes of weather.5.The quality of his work has been deteriorating these years.6.The contamination of water makes the residents vulnerable to diseases. Text BExercises for the TextI. 1.F 2.T 3.F 4.T 5.T 6.F 7.T 8.F 9.T 10.FII. 1.Oxford; Cam

27、bridge 2.old-boy network 3.two 4.a bias 5.public 6.A level results; performance at interviews 7.easily accessible 8.better prepared 9.Harvard; Yale; Chicago; Berkeley 10.constantly replicating Vocabulary ExercisesI. 1.unfair 2.leading 3.profession 4.private 5.accessible II. 1.appoint 2.performance 3

28、.profession 4.amount to 5.by nature 6.prime 7.merit petitive 9.Remedial 10.worth Grammar ExercisesI. 1.has 2.is 3.are 4.seems 5.is 6.was 7.are 8.were 9.is 10.are 11.is 12.is 13.are 14.am 15.is 16.have 17.has 18.is 19.have 20.was 21.are 22.has 23.speak24.is25.races 26.were 27.approve 28.was 29.says 3

29、0.appeal 31.are 32.is 33.are 34.was 35.is 36.has 37.are 38.has 39.is 40.is 41.are 42.is 43.are 44.is 45.is 46.have 47.are 48.have 49.has 50.isII. 1.he 2.his 3.its 4.its 5.her; her 6.their 7.our 8.they 9.his 10.their 第四单元Text A Exercises for the TextI. 1.b 2.d 3.c 4.b 5.bII. 1.diplomats 2.abuse 3.remove 4.quarter 5.guilt 6.hire 7.breadwinner 8.introduce 9.maintenance 10.immigrantIII. 1.i 2.c 3.b 4.e 5.j 6.g 7.h