1. The latest surveys show that quite a few children have unpleasant associations with homework.
2. No invention has received more praise and abuse than Internet.
3. An increasing number of people are beginning to realize that education is not complete with graduation.
4. Many experts point out that physical exercise contributes directly to a person's physical fitness.
5. Many city residents complain that it is so few buses in their city that they have to spend much more time waiting for a bus，which is usually crowded with a large number of passengers.
6. There is no denying the fact that air pollution is an extremely serious problem：the city authorities should take strong measures to deal with it.
7. An investigation shows that female workers tend to have a favorable attitude toward retirement.
8. Any government，which is blind to this point，may pay a heavy price.
9.Nowadays，many students always go into raptures at the mere mention of the coming life of high school or college they will begin. Unfortunately，for most young people，it is not pleasant experience on their first day on campus.
10. The majority of students believe that part-time job will provide them with more opportunities to develop their interpersonal skills，which may put them in a favorable position in the future job markets.
11. It is indisputable that there are millions of people who still have a miserable life and have to face the dangers of starvation and exposure.
12. Although this view is wildly held，this is little evidence that education can be obtained at any age and at any place.
13. No one can deny the fact that a person's education is the most important aspect of his life.
14. We should spare no effort to beautify our environment.
15. People believe that computer skills will enhance their job opportunities or promotion opportunities.
16. The information I've collected over last few years leads me to believe that this knowledge may be less useful than most people think.
17. For my part，I agree with the latter opinion for the following reasons：
18. Before giving my opinion，I think it is important to look at the arguments on both sides.
19. This view is now being questioned by more and more people.
20. In view of such serious situation，environmental tools of transportation like bicycle are more important than any time before.