1.According to a recent survey ,four-million people die each year from diseases linked to smoking.
2.The latest surveys show that quite a few children have unpleasant associations with homework.
3.No invention has received more praise and abuse than Internet.
4.People seem to fail to take into account the fact that education does not end with graduation.
5.Many experts point out that physical exercise contributes directly to a persons physical fitness.
6.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.
7.In view of the seriousness of this problem ,effective measures should be taken before things get worse.
8.Proper measures must be taken to limit the number of foreign tourists and the great efforts should be made to protect local environment and history from the harmful effects of international tourism.
9.An increasing number of experts believe that migrants will exert positive effects on construction of city .However ,this opinion is now being questioned by more and more city residents ,who complain that the migrants have brought many serious problems like crime and prostitution.
10.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.
11.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.
12.An investigation shows that female workers tend to have a favorable attitude toward retirement.
13.A proper part-time job does not occupy students too much time .In fact ,it is unhealthy for them to spend all of time on their study .As an old saying goes :All work and no play makes Jack a dull boy
14.Any government which is blind to this point may pay a heavy price.
15.An increasing number of people are beginning to realize that education is not complete with graduation.
16.When it comes to education ,the majority of people believe that education is a lifetime study.
17.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.
18.It is indisputable that there are millions of people who still have a miserable life and have to fact the dangers of starvation and exposure.
19.Although this view is widely held ,there is little evidence that education can be obtained at any age and at any place.
20.No one can deny the fact that a persons education is the most important aspect of his life.
21.People equate success in life with the ability of operating computer .
1)There are three reasons for this.
2)The reasons for this are as follows.
3)The reason for this is obvious.
4)The reason for this is not far to seek.
5)The reason for this is that...
6)We have good reason to believe that...
例如：There are three reasons for the changes that have taken place in our life.Firstly，peoples living standard has been greatly improved.Secondly，most people are well paid， and they can afford what they need or like.Last but not least，more and more people prefer to enjoy modern life.
注：如考生写第一个句子没有把握，可将其改写成两个句子。如：Great changes have taken place in our life. There are three reasons for this.这样写可以避免套用中的表达失误。
1)It has the following advantages.
2)It does us a lot of good.
3)It benefits us quite a lot.
4)It is beneficial to us.
5)It is of great benefit to us.
例如：Books are like friends.They can help us know the world better，and they can open our minds and widen our horizons.Therefore，reading extensively is of great benefit to us.
1)It has more disadvantages than advantages.
2)It does us much harm.
3)It is harmful to us.
例如：However，everything divides into two.Television can also be harmful to us.It can do harm to our health and make us lazy if we spend too much time watching television.
1)It is importantfor sb.to do sth.
2)We think it necessary to do sth.
3)It plays an important role in our life.
例如：Computers are now being used everywhere，whether in the government，in schools or in business.Soon， computers will be found in every home，too.We have good reason to say that computers are playing an increasingly important role in our life and we have stepped into the Computer Age.
1)We should take some effective measures.
2)We should try our best to overcomethe difficulties.
3)We should do our utmost in doing sth.
4)We should solve the problems that we are confrontedwith.
例如：The housing problem that we are confronted with is becoming more and more serious.Therefore，we must take some effective measures to solve it.
1)Some changes have taken place in the past five years.
2)A great change will certainly be produced in the worlds communications.
3)The computer has brought about many changes in education.
例如：Some changes have taken place in peoples diet in the past five years.The major reasons for these changes are not far to seek.Nowadays，more and more people are switching from grain to meat for protein，and from fruit and vegetable to milk for vitamins.