【正文】 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． 　　3．表示壞處 　　1）It has more disadvantages than advantages． 　　2）It does us much harm． 　　3）It is harmfulto us． 　　例： 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 televi sion． 　　4．表示重要、必要、困難、方便、可能 　　1）It is important（necessary，difficult，convenient， possible）for sb．to do sth． 　　2）We think it necessary to do sth． 　　3）It plays an important role in our life． 　　例： Computers are now being used everywhere，whether in the government，in schools or in business．Soon， puters will be found in every home，too．We have good reason to say that puters are playing an increasingly important role in our life and we have stepped into the Computer Age． 　　5．表示措施 　　1）We should take some effective measures． 　　2）We should try our best to overe（conquer）the difficulties． 　　3）We should do our utmost in doing sth． 　　4）We should solve the problems that we are confronted（faced）with． 　　例： The housing problem that we are confronted with is being more and more serious．Therefore，we must take some effective measures to solve it． 　　6．表示變化 　　1）Some changes have taken place in the past five years． 　　2）A great change will certainly be produced in the world’s munications． 　　3）The puter has brought about（導(dǎo)致） many changes in education． 　　例： 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． 　　7．表示事實(shí)、現(xiàn)狀 　　1）We cannot ignore the fact that．．． 　　2）No one can deny the fact that．．． 　　3）There is no denying the fact that．．． 4）This is a phenomenon that many people are interested in． 　　5）However，that’s not the case． 　　例： We cannot ignore the fact that industrialization brings with it the problems of pollution．To solve these problems， we can start by educating the public about the hazards（危害） of pollution．The government on its part should also design stricter laws to promote a cleaner environment． 　　8．表示比較 　　1）Compared with A，B．．． 　　2）I prefer to read rather than watch TV． 　　3）There is a striking contrast between them． 　　例： Compared with cars，bicycles have several advantages besides being affordable．Firstly，they do not consume natural resources of petrol（石油）．Secondly，they do not cause the pollution problem．Last but not least，they contribute to people’s health by giving them due physical exercise． 　　9．表示數(shù)量 　　1）It has increased（decreased）from．．．to．．． 　　2）The population in this city has now increased （decreased）to 800，000． 　　3）The output of July in this factory increased by 15％ pared with that of January． 　　例： With the improvement of the living standard，the proportion（比例） of people’s ine spent on food has decreased while that spent on education has increased． 　　再如： From the graph listed above，itcan be seen that student use of puters has increased from an average of less than two hours per week in 1990 to 20 hours in 2000． 　　注：“From the graph listed above，it can be seen that”見(jiàn)句式12。 　　10．表示看法 　　1）People have（take，adopt，assume）different attitudes towards sth． 　　2）People have different opinions on this problem． 　　3）People take different views of（on）the question． 　　4）Some people believe that．．．Others argue that．．． 　　例： 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（種類(lèi)） of losers． 　　再如： Do lucky numbers really bring good luck？Different people have different views on it． 　　注：一個(gè)段落有時(shí)很適宜以問(wèn)句開(kāi)始，考生應(yīng)掌握這一寫(xiě)作方法。 　　12．套語(yǔ) 　　1）It’s well known to us that ．．． 　　2）As is known to us，．．． 　　3）This is a topic that is being widely talked about． 　　4）From the graph（table，chart）listed above，it can be seen that ．．． 　　5）As a proverb（諺語(yǔ)） says，“Where there is a will，there is a way．例如： As is well known to us，it is important for the students to know the world outside campus． 　　The reason for this is obvious．Nowadays，the society is changing and developing rapidly，and the campus is no longer an“ivory tower．As college students，we must get in touch with the world outside the campus．Only in this way can we adapt ourselves to the society quickly after we graduate． 　　再如： Does it pay to be honest？This is a topic that is being widely talked about and different people have different opinions on it．背誦句式是非問(wèn)題分析論證句式Whereas other societies look to the past for guidance, we cast our nets forward（面向未來(lái)）It is the belief in a brighter future that gives us optimism.Even these days, when not all progress seems positive (nuclear weapons, air pollution, unemployment, etc.), the belief remains that for every problem there is a rational solution.The job of the parents is to give the children every opportunity while they are growing up and then get out of their way.What deference people in authority do mand is based on their actual powers rather than on their age, wisdom, or dignity.In a society that changes as fast as ours, experience simply does not have the value that it does in traditional societies.It has taken a long time to convince the public that free enterprise does not mean that a pany should be free to pollute the air, foul the rivers, and destroy the forests.The assembly line reduced workers to cogs of machinery and made their jobs unutterably boring, but it produced goods fast.Food is prepackaged and shopping is impersonal, but the efficiency of the operation produces lower