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and make us lazy if we spend too much time watching televi sion. 、必要、困難、方便、可能 1)It is important(necessary,difficult,convenient, possible)for 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 , puters will be found in every home, have good reason to say that puters 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 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 ,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 munications. 3)The puter has brought about many changes in education. 例: Some changes have taken place in peoples diet in the past five major reasons for these changes are not far to ,more and more people are switching from grain to meat for protein,and from fruit and vegetable to milk for vitamins. 、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,thats no