Section C
1. F 2. T 3. F 4. F 5. F 6. F 7. F 8. F 9. T 10. F Unit Two
II Comprehension of the Text
I. Because they couldn't live longer without growing older. 2. Be was more famous for his search for the Fountain of Youth. 3. They take a bath in tubs of warm mud and receive injections of monkey glands.
4. Many people can reach the age they are designed for because of their being well off. 5. The emphasis is on finding ways to ensure that more people achieve the maximum lifespan healthy conditions.
6. He hated exercise and never took any.
7. Because they reproduce less or don't reproduce at all. 8. It can help slow down ageing.
9. Old people would soon end up as a huge majority and the planet would have trouble supporting so many people.
10. The author thinks that old age is one of the natural phenomena, and it is the last pan of one's life. II Vocabulary
1.terminating 2. originates 3. tempted 4. afflicted 5. optimum 6. rapture 7. adhered 8. persistent 9. diminishing 10. despised 11. patented 12. manipulate 13. promising 14. necessitate 15. perish IV1. searching for 2. ended up 3. in the hope of 4. looked forward to
5. ho1d on to 6. in time 7. well off 8. conditions
9. involved in 10. to such an extent 11. originated in 12. adhered to
13. perished from 14. slowed down 15. handed out V Collocation
1. abilities 2. quality 3. condition 4. standard 5. system 6. chances
7. utilization 8. skills 9. efficiency 10. environment VI Translation
1. During that battle a large number of men perished from hunger and thirst due to the severe shortage of food.
2. This research project bas further proved that fireworks have originated in China. 3. He is tempted to go there in person and check out how the accident happened.
4. At present, people have not found an effective way to cure this disease, which is still afflicting old people. 5. The contractor must adhere to the contract and complete the important project on time. 6. With persistent efforts, they finally settled the dispute between the two regions. 7. If Party B fails in delivering goods at a given time, Party A is entitled to terminate the contract and claim for any loss.
8. It usually takes a week to patent one's invention. 9. A clever politician knows well how to manipulate the public opinion and take advantage of his supporters. 10. The amount of water in tile rivers and lakes will diminish as the dry season continues. VII Translation
With the 21 st century coming, people have increasingly realized file importance of acquiring round easy information. If a nation can make effective use of all the information it will benefit In the fields of scientific research, education, economic development, etc. What the nation needs to do is to establish a nation-wide \so as to link up scientists, businessmen, educators, etc. If such a network is set up, it will promote the second information revolution in the country.
VIII Translation
1(几千年来，人们一直想要长寿，想不变老，然而他们总是失望。 2(许多作家总是幻想着有可以长命百岁的福地，在那里，人们以各种办法，多数是左道旁门的招数，
保持着他们的青春和活力。
3(虽然长寿的可能性已经明显加大了，但是在绝大多数有记载的历史时期内，自然界赋予人类的寿
命并没有多大变化。
4(即使主要从理论上探讨，人的寿命在写《圣经》的那个时候就是70岁，到现在也没有增加多少。
5(在出生后的第一年里，婴儿不再会大量死亡，在随后的日子里人们不会因为传染病或者像阑尾破
裂这样的医疗问题而死亡，也不会因为饥饿或过度劳累而死亡。
6(目前衰老研究的重点是寻求有效的方法，确保日益增多的达到最大寿限的人能够在最佳健康状况
下实现长寿，而不是仅仅在慢性病和体力衰退的折磨下再多活几年。
7(但是，即便是对那些遵循这些忠告的人来说，一种健康的生活方式的作用只不过是使他们更有机
会保持就其年龄而言合理的健康状况，而不会减缓衰老的过程。
8. 唯一显示的确能延长臭名的实验是用实验室动物进行的，受试的大家鼠灰色小家鼠接受严格的饮食
限制。
9(衰老过程是一个复杂的事情，涉及到许多不同的基因。但是，人们即使不能消除衰老，最终也能
够用基因疗法减缓衰老。
10(然而，老年可以说是人生戏剧中的最后一幕，当我们疲倦时，当我们已经饱尝人生的一切之后，
我们应该从这最后一幕中消失。 IX Essay Summary
1. D 2. A 3. C 4. D 5. B 6. A 7. B 8. A 9. C 10. B
11.D 12. B 13. C 14. D 15. A 16. D 17. C 18. B 19. A 20. D XII Reading Skills
1. Dr. John Andrews. (Para. 3)
2. They hope to cure DNA deficiency, and to fix a genetic defect that causes a severe form of blood disease. (Para. 5)
3. It is about injecting functioning genes into the rapidly dividing cells of embryos to replace flawed DNA. (Para. 7)
4. They worry that Andrews' technology would help doctors to
engineer babies for attractive traits, and interfering with genes before birth might result in serious birth defects. (Para. 7) 5. In 1995 it
abolished federal funding for human embryo research; it also made such research exempt from Federal reviews and controls. (Para. 12)
XIII Comprehension of the Text
I.C 2. C 3. B 4. A 5. A 6. C 7. C 8.A 9. C 10. D XIV Vocabulary
1. threshold 2. apt 3. preview 4. premature 5. abolished 6. injected 7. rigorous 8. induced 9. epidemic 10. integrity 11. abortion 12. appraisal 13. deficiencies 14. recipient 15. irony XV
1. onto 2. on 3. in 4. at 5. from 6. forth 7. In 8. on 9. to 10. from 11. at 12. with 13. of 14. out 15. on XII Reading Skills
1. The young people. (Para. l)
2. They dominated the protests against the nuclear weapons and the Vietnam War. (Para. 2) 3. Young people are being asked to participate in decision-making affairs. (Para. 5) 4. Almost every school has an elected student council, handling school-level issues. (Para. 7) 5. They are honest, and are able to force sensitive issues out into the open. (Para. 10) XIII Comprehension of the Text
1. C 2. C 3. B 4. A 5. A 6. C 7. C 8. A 9. C 10. D XIV Vocabulary
1. threshold 2. apt 3. preview 4. premature 5. abolished 6. injected 7. Rigorous 8. induced 9. epidemic 10. integrity 11. abortion 12. appraisal 13. deficiencies 14. recipient 15. irony XV
1. onto 2. on 3. in 4. at 5. from 6. forth 7. In 8. on 9. to 10. from 11. at 12. with 13. of 14. out 15. on
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