北京理工大学新世纪研究生英语教程第五版课后习题答案Word下载.docx

1、3. C 4. A 5. D 6. A 7. A 8. B1. sank 2. vulnerable 3. fueling 4. notwithstanding 5. understated 6. dire 7. overwhelmed 8. grease 9. faring 10. cutting edgeTask 5Suggested answers: 1. According to government statistics, in the United States, there are over 110 million cars and 15 million commercial v

2、ehicles or trucks. And more people means more cars. By the end of the twenties of the twenty-first century, the population of the United States will have doubled that of today and the number of automobiles will be doubled as well. And in twenty years time the per capita income will also be 2.5 times

3、 higher than it is now. If this increased income is spent on more and larger automobiles, larger houses, and increased consumption of other material goods, the results could cause catastrophic resource exhaustion, and pollution. Unit6 Text A The Myth of the Paperless Office1. precious space, one pla

4、ce , indexlinking ability . 2. hot; acted on ;warm; urgency; cold; immediate attention 3. annoyances/disadvantages; fuzzy; glare ;scroll ; fixed 4. listening;talking;comfort;subtle clues; prompt reporting; revising 5. selling;desire; taking control; overwhelmed 6. First, paper has some hidden advant

5、ages over computers especially in the following three aspects reading, writing and personal satisfaction in delivery. Furthermore, computers cant replace paper completely in some activities such as air-traffic control and writing up police reports.1. The author states at the beginning of the article

6、 that despite the emergence of technologies and the prediction of paperless office by many people for several decades, we still rely heavily on paper in our daily lives. Then he uses his own analysis and what Sellen and Harper have discovered as his proof to illustrate why human beings still cannot

7、stop using paper. By citing Sellen and Harpers description of the layout of files on a typical desk in an office, the author illustrates that paper has some hidden advantages over computers especially in the following three aspects reading, writing and personal satisfaction in delivery. Furthermore,

8、 he analyzes two activities air-traffic control and writing up police reports studied by Sellen and Harper, which has revealed that in these two activities computers cant replace paper completely. Then he suggests two reasons for such a chimera as paperless office, and finally, states that at least

9、for now paperless office looks both unlikely and pointless.1. A 2. C 3. A 4. B 5. C 6. B 7. C 8. D 9. D 10. A1. on the horizon 2. lay hands on 3. glare 4. thumb through 5. flicking through 6. fall short in 7. compromised 8. unfolded 9. streamline 10. comes down to Suggested answers:1. Over a long pe

10、riod of time, electronic media is/are unlikely to replace such traditional media as paper. First of all, not anyone can afford to have a computer and can log on/surf the Internet at any place due to financial factors, geographical conditions and various other factors. In addition, the verification o

11、f some important contacts requires unique authenticity. Any photocopy and duplication is ineffective. Whats more, one persons handwriting contains particular information which can not be replaced by digital media. Unit7 Text A Competition Is Destructive1. undermines self-esteem;poisons relationships

12、;holds us back;2. a specified contribution;a certain score;a time limit;3. working together;works with / feel warmly/half ;4. other way/alternative;self-doubt;dependent on ;5. the structure;the individuals;competition;1. Suggested Summary By using the game of musical chairs, the author illustrates t

13、hat competition is destructive not only in our daily work but also in entertainments. It is important and possible to change the form of the game by way of turning an opponent into a partner: Everyone on the field can work together for a common goal （teamwork） instead of competing with each other （t

14、eam competition）. Cooperative games and sports provide satisfaction and challenge without competition. The reason that a large number of people insist that we cant do without win/lose activities is that they dont know any other way and that they overlook the psychological costs of competition and th

15、e toxic effect of competition on our relations. Competition is not conducive to trust and it may lead one to look at others through narrowed eyes and even invite outright aggression. We are inclined to blame individuals for all this, but it is the structure of the game itself which causes competitio

16、n. To solve the problem of competition, we need to be teaching our children how to enjoy themselves without competition.2. B 7. D 8. C 9. B 10. C1. competed against 2. benign 3. triumphed over 4. attributed 5. outdid 6. misplace 7. overlook 8. am suspicious of 9. were detested 10. erupt1. Competitio

17、n usually brings out the best in people, as they strive to be top in their field, whether in sport, community affairs, politics or work. In fact, fair and friendly competition often leads to new sporting achievements, scientific inventions or outstanding effort in solving a community problem. When c

18、ompetition becomes unfriendly or bitter, though, conflict can begin - and this can bring out the worst in people. Unit 10 Why we strive for status1. What is the writers attitude in the sentence The drive for dominance skews our perception, colors our friendships, shapes our moods and affects our hea

19、lth? （para. 2） The author takes a negative attitude. Usually, the verbs color, shape and affect are neutral in indicating meanings, but in this context they express negative meanings.2. How do you understand the sentence If the tendency showed up only in certain societies, it would be easier to dism

20、iss as something we learn （para. 4）If the relentless one-upmanship were only limited within very few sample groups, it would be easily neglected because we could only regard that as an exception.3. In which way do zoologists support the anthropological point on the biologically endowed one-upmanship

21、?Anthropologists point out that the same pattern can be seen everywhere while the zoologists show a wide variety of animals inferior and superior which illustrate the same pattern too.4. What are the differences between men being powerful and powerless?Men who achieve high status enjoy more sex with

22、 more partners wheresas men who are just unemployed may lose their marriages as well as self-esteem.5. In which ways are modern men the same as, and also different from Genghis Khan? Modern men are the same as Genghis Khan in that they all strive for high status, but different in that modern men ten

23、d to rule by consent and try to avoid fighting.6. Do males always have to fight for power? Why or why not?Not necessarily, for the most durable leaders are the ones who govern by consent and try to avoid fighting.Unit 13 Giving credit where debt is due1. How many credit cards does the average Americ

24、an have?4.2. What is a sub-prime borrower?People who have a bad credit history.3. What were the spending habits of people in the nineteenth and early twentieth centuries?People regarded debt in a very negative way. They always tried to pay off their debts in a timely manner.4. How has credit card sp

25、ending changed in the United States since the 1960s?In the 1960s most borrowers paid off their credit card balances monthly. Since then, many people have amassed credit card debt.Unit 1我静静地躺着，等待着。突然，窗外的生机引起了我的注意：昆虫在合鸣；邻居坐在阳台上，直到深夜，他们说话的声音有些模糊，那声音让我平静下来。我闻到了新割的青草的气息。还有一种说不清的声音-可能是树枝扫过隔壁店铺的屋顶吧。Lying still, waiting, I suddenly notice the life outside the window. The bugs sing in chorus. Neighbors, sitting on their verandas until late, speak in hazy words with sanded edges that soothe me. I catch the scent of fresh grass clippings. Then I hear something I cant decode-perhaps a tree branc