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。
二，表示好处 1It has the following advantages. 2It does us a lot of good. 3It benefits us quite a lot. 4It is beneficial to us. 5It 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. 三，表示坏处 1It has more disadvantages than advantages. 2It does us much harm. 3It is harmful to us. 例如 However，everything divided into two. Television can alsobe harmful to us. It can do harm to our health and make us lazy if we spend too much time watching television. 四，表示重要、必要、困难、方便、可能 1It is importantnecessary，difficult，convenient， possiblefor sb. to do sth. 2We think it necessary to do sth. 3It plays an important role in our life. 例如 Computers are now being used everywhere，whether in thegovernment，in schools or in business. Soon， computers will be found in every home，too. Wehave good reason to say that computers are playing an increasingly important role in our life and we have stepped intothe Computer Age. 五，表示措施 1We should take some effective measures. 2We should try our best to overcomeconquerthe difficulties. 3We should do our utmost in doing sth. 4We should solve the problems that we are confrontedfacedwith. 例如 The housing problem that we are confronted with is becoming more and more serious. Therefore，we must take someeffective measures to solve it. 六，表示变化 1Some changes have taken place in the past five years. 2A great change will certainly be produced in the world’scommunications. 3The computer has brought about many changes in education. 例如 Some changes have taken place in people’s 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. 七，表示事实、现状 1We cannot ignore the fact that... 2No one can deny the fact that... 3There is no denying the fact that... 4This is a phenomenon that many people are interested in.5However，that’s not the case. 例如 We cannot ignore the fact that industrialization brings with it the problems of pollution. To solve these problems， wecan start by educating the public about the hazards of pollution. The government on its part should also design stricter laws to promote a cleaner environment. 八，表示比较 1Compared with A，B... 2I prefer to read rather than watch TV. 3There is a striking contrast between them. 例如 Compared with cars，bicycles have several advantages besides being affordable. Firstly，they do not consume natural resources of petroleum. Secondly，they do not cause the pollution problem. Last but not least，they contribute to people’s health by giving them due physical rcise. 九，表示数量 1It has increaseddecreasedfrom...to... 2The population in this city has now increased decreasedto 800，000. 3The output of July in this factory increased by 15 compared with that of January. 例如 With the improvement of the living standard，the proportion of people’s income spent on food has decreased while that spent on education has increased. 再如 From the graph listed above，it can be seen that studentuse of computers has increased from an average of less than two hours per week in 1990 to 20 hours in 2000. 十，表示看法 1People havetake，adopt，assumedifferent attitudes towards sth. 2People have different opinions on this problem. 3People take different views ofonthe question. 4Some people believe that...Others argue that... 例如 People have different attitudes towards failure. Some believe that failure leads to success. Every failure they experience translates into a greater chance of success at their renewed endeavor. However， others are easily discouraged by failures and put themselves into the category of losers. 十一，表示结论 1In short，it can be said that ... 2It may be briefly summed up as follows. 3From what has been mentioned above，we can come to the conclusion that ... 例如 From what has been mentioned above，we can come totheconclusion that examination is necessary，however， its should be improved. 十二，套语 1It’s well known to us that ... 2As is known to us，... 3This is a topic that is being widely talked about. 4From the graphtable，