常用句型：

　　1. 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...

　　例：There are three reasons for the changes that have taken place in our life. Firstly, people’s 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。

　　2.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.

　　例：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.

　　3.表示坏处

　　1)It has more disadvantages than advantages.

　　2)It does us much harm.

　　3)It is harmful to 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 television.

　　常用句型：

　　1.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.

　　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 of pollution. The government on its part should also design stricter laws to promote a cleaner environment.