【文章內(nèi)容簡(jiǎn)介】 g is implied in the sixth paragraph?　　 A) Marriages in the US today are quite unstable.　　 B) More and more people in the US today want to get married.　　 C) Living longer would make it easier for people to maintain their marital ties.　　 D) If people live longer，they would stay in marriage longer.　　 3.　All of the following are possible effects living longer might have on working life EXCEPT　　 A) Communication between employers and employees would be more difficult.　　 B) More money would be used by employees in payment of their employees.　　 C) The job market would be more petitive.　　 D) It would be more difficult for young people to be promoted to top positions.　　 4.　An important feature of a society in which people live a long life is that　　 A) it places more emphasis on educating the young.　　 B) it is both wise and energetic.　　 C) it lacks the curiosity to experiment what is new.　　 D) it welcmes changes.　　 5.　Which of the following best describes Callahan’s attitude to antiageing technology?　　 A) Optimistic.　　 B) Pessimistic.　　 C) Reserved.　　 D) Negative.　　答案與題解：　　 1.　B 長(zhǎng)壽使個(gè)人能做的事主要在第4段里講到，作者沒(méi)有提到長(zhǎng)壽可以讓人更多地接受教育　　 2.　A 本題答案以下面的這兩句話為依據(jù)：Psople are already finding it more difficult to stay rates are ?！　?3.　B 文章的第9段講了壽命延長(zhǎng)、退休推遲可能帶來(lái)的種種問(wèn)題，但作者沒(méi)有提到雇傭者需要更多的錢來(lái)支付員工的工資?！　?4.　C 答案可以在11這兩段里找到。　　 5.　C 本題的答案依據(jù)可以在最后一段里找到。Callahan認(rèn)為在搞清楚長(zhǎng)壽社會(huì)會(huì)給我們帶來(lái)哪些問(wèn)題之前，最好不要急著搞抗衰老的技術(shù)?？梢?jiàn)他對(duì)抗衰老技術(shù)的發(fā)展是有保留的。閱讀下面的短文。每篇短文的后面有五個(gè)問(wèn)題，每個(gè)問(wèn)題有四個(gè)備選答案。請(qǐng)根據(jù)短文的內(nèi)容選擇最佳答案。每個(gè)試題計(jì)3分,共計(jì)15分　　The Best Way to Reduce Your Weight　　 You hear this：“No wonder you are you ever do is eat.”You feel sad：“I skip my breakfast and run every morning and else can I do?”Basically you can do genes，not your life habits，determine your weight and your body constantly tries to maintain it.　　 Albert Stunkard of the University of Pennsylvania found from experiments that，“80 percent of the children of two obese parents bee obese，as pared with no more than 14 percent of the offspring of two parents of normal weight.”　　 How can obese people bee normal or even thin through dieting?Well，dieting can be effective，but the health costs are Hirsch，a research physician at Rockefeller University，did a study of eight fat were given a liquid formula providing 600 calories a more than 10 weeks，the subjects lost 45kg on after leaving the hospital，they all results were surprising：by metabolic measurement，fat people who lost large amounts of weight seemed like they were had psychiatric dreamed of food or breaking their were anxious and depressed；some were hid food in their warn that it is possible that weight reduction doesn’t result in normal weight，but in an abnormal state resembling that of starved nonobese people.　　 Thin people，however，suffer from the opposite：They have to make a great effort to gain Sims，of the University of Vermont，got prisoners to volunteer to gain four to six months，they ate as much as they succeeded in increasing their weight by 20 to 25 months after the study ended，they were back to normal weight and stayed there.　　 This did not mean that people are pletely without hope in controlling their means that those who tend to be fat will have to constantly battle their genetic inheritance if they want to significantly lower their weight.　　 The findings also provide evidence for something scientists thought was trueeach person has a fortable weight range might be as much as might weigh 6069kg without too much going above or below the natural weight range is body resists by feeling hungry or full and changing the metabolism to push the weight back to the range it seeks.練習(xí)：　　 1.　What determines your weight?　　 A)Your working manner.　　 B)Your eating habit.　　 C)Your life style.　　 D)Your genes.　　 2.　What did Jules Hirsch do in his study?　　 A)He let the eight fat people skip supper.　　 B)He let the eight fat people skip breakfast.　　 C) He let the eight fat people run every morning and evening.　　 D)He gave the eight fat people a liquid formula providing 600 calories a day.　　 3.　What happened to the eight fat people after they left the hospital?