21世纪研究生英语教材阅读课后答案.doc

UNIT ONE Key to Exercises I. Reading Comprehension i 1. B 2. C 3. C 4. D 5. C 6. D 7. C 8. B 9. B 10. A ii (略) II Vocabulary and Structure i 1.Obesity 2.circulate 3.abdominal 4.break down 5.mortality 6.variable 7.resistance 8.modified 9.critically 10. inert ii 1. internist 2.supplant. 3. willowy (twiggy) 4.slow down 5.set off 6. nonchalantly 7.accumulate 8. unravel 9.culprit 10. affirm III Cloze 1. D 2. A 3. B 4. A 5. B 6. D 7. C 8. A 9. D 10. C 11. B 12. B 13. A 14. A 15. D 16. C 17. B 18. A 19. A 20. C IV Translation i 1. 几个世纪以来，妇女们始终相信一条朴实的真理：腰越细，生活就越好—医学研究者们如今正开始了解这一简单真理背后的生理机能。 2. 与腹部脂肪是位于腰部无所事事的惰性软组织这一观念相反，腹部脂肪实际上是一些小的内分泌工厂，会制造一些把信息传送给许多器官的激素。 3. 医学解开代谢之谜是脂肪的难题尚需数十年。医生们说，在此期间采取的主要行动是制止腰部变粗。萨瓦德说：“我们每个人都需要放慢让自己体形变得更像苹果的过程。体形实在不容忽视。” ii 1. Internet is an interactive network on which the customers can release news, join in discussion, and perform voting or even chatting. Contrary to what I had thought, the atmosphere of the multinational company was not easy and enjoyable at all. After several days’ investigation, FBI agents found all the evidence pointed to his committing a murder. In 2004, the government introduced a raft of measures to slow the economy and paid special attention to the steel sector. Our objective is to explore an effective way of AIDS education for college students, and to provide reference for AIDS education model in colleges in China. V. Writing (略) Key to Text B i 1. C 2. B 3. B 4. D 5. C 6. A 7. C 8. A 9. D 10.B ii 1. F 2. F 3. T 4. F 5. T UNIT TWO Obama Signals Need for a Sharp Break from the Past Key to Exercises I. Reading Comprehension Check i 1. D 2. A 3. C 4. C 5. B 6. C 7. D 8. C 9. D 10. D ii（略） II. Vocabulary and Structure i. 1. inaugural 2. shrewd 3. somber 4. exhortation 5. plummet 6. interrogation 7. outlast 8. confluence