­　　英语四级作文开头主题句

­　　表示原因

­　　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…

­　　表示好处

­　　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。

­　　表示坏处

­　　1)It has more disadvantages than advantages。

­　　2)It does us much harm。

­　　表示变化

­　　1)Some changes have taken place in the past five years。

­　　2)A great change will certainly be produced in the world"s communications。

­　　3)The computer has brought about many changes in education。

­　　3)It is harmful to us。

­　　表示重要、必要、困难、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。

­　　表示措施

­　　1)We should take some effective measures。

­　　2)We should try our best to overcome(conquer)the difficulties。

­　　3)We should do our utmost in doing sth。

­　　4)We should solve the problems that we are confronted(faced)with。

­　　表示事实、现状

­　　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。

­　　表示比较

­　　1)Compared with A，B……

­　　2)I prefer to read rather than watch TV。

­　　3)There is a striking contrast between them。

­　　表示数量

­　　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%compared with that of January。

­　　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…

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