新视野大学英语视听说教程第三册Lead-in答案.doc

Unit1：1.What factors may weaken ones memory?It is often reported that long-term poor nutrition may affect the functioning of the brain, thus damaging both the long-term and short-term memory. Also harmful to ones memory is lack of water. Elderly people need plenty of water to guarantee their memory works. A third factor is lack of sleep. Without enough sleep, one may feel tired and have difficulty concentrating, not to mention learning things by heart.2. Can you describe some possible advantages of having a poor memory?A poor memory may have some advantages. With the passage of time, the sad memories will fade. Those with a short memory tend to recover faster than those with a tenacious memory. For the same reason, forgetful people may be more ready to forget their daily worries and forgive others for their offenses. With a less retentive mind, they may enjoy life more.Unit2：2. Do you think it is necessary?Some parents believe that by doing a lot of difficult math problems, their children will have a solid foundation in math. Some parents even believe that trying to solve hard math problems will promote the growth of childrens brains and help develop their logical reasoning ability and concentration, which will facilitate learning in other areas. On the other hand, many people believe that it is unnecessary and unnatural for children to study difficult math problems. Some people even believe that strict math training harms childrens moral and physical development. Fierce competition may dampen the spirit of teamwork, which is so important in the contemporary world.4. How to prevent students cheating in examinations?First, the administrators must adopt severe measures to punish that disgraceful practice. In the case of serious offenders, it is not enough just to give them an F. They must repeat the whole year, or even be expelled from school. Second, it is more important for teachers to enforce the university rules strictly. When they see students cheating, they should not turn a blind eye to it.Unit3：1.What do you think are the things that contribute to a successful marriage?The success of a marriage is due to many factors, of which love is obviously the most important one. Other factors, which are not entirely unrelated to love, include shared values and interests, mutual understanding, commitment, effective communication, similar educational background, equal economic status, physical fitness, etc. With the same values and moral standards, friends may develop into lifelong partners. After marriage, there needs to be a commitment to one another, and to the well-being and development of the family. Similar educational background and intelligence levels are also considered important by some people. They believe that only with mutual appreciation and understanding, can the couple get along easily and happily.2. Why do people get divorced? Can you guess some of the reasons?Sometimes it is because the couple did not really understand each other before the marriage, as love was blind at that time. After marriage, they see each others shortcomings more clearly. When disappointment grows beyond control, divorce becomes inevitable. Sometimes it is because one of the couple has changed after the marriage. For example, after the husband is promoted to a leading position, he may have a hectic time all year round, with hardly any time left to be with his wife. Sometimes one of the couple has lost his or her job and becomes irritable. Due to the continual quarrelling at home, the family breaks up.Unit4：1.What do you think people will choose: a low-paid job one likes, or a boring well-paid job?I think many people prefer to find a job that they really like. After all, most people want to enjoy themselves rather than have plenty of money without a sense of achievement and happiness. On the other hand, some people may choose a well-paid job instead of a job close to their heart to earn more money. If one is in serious financial difficulty, one can hardly afford the luxury of a dream job. Money is the top priority.4. What questions do you think are often asked in an interview? Why are they asked?To start with, the interviewers may ask you about your education. In this way they can gather information to see if you have acquired the basic knowledge required for the job you are applying for. Perhaps most of them will ask you about your work experience in this field to see if you have the necessary skills for the job you have in mind. Usually employers do not like an entirely inexperienced employee. They may also ask about your character, weaknesses and strengths to find out what kind of person you are. They may even ask you something that is not directly related to the job in question. Your answers tend to show your intelligence level and communication skills.Unit 5：1.Do you want to be a boss who is starting a company or an employee with a high salary?Different people may have different choices. Some people may put a regular job above good pay for a variety of reasons. Employees usually know what they are supposed to do and have a fairly stable life. With a high-paying job, they and their families can live a comfortable life. When they have accumulated enough money, they can start a business when conditions are favorable. On the other hand, many people want to set up a business of their own right now. Indeed, launching a company involves a lot of effort. What is worse, there is risk. But they like challenges. By trying to establ