1.对立观点式
A.有人认为X 是好事，赞成X， 为什么?
B. 有人认为X 是坏事， 反对X，为什么?
C.我的看法。
Some people are in favor of the idea of doing X. They point out the fact that 支持X 的第一个原因。They also argue that 支持X 的另一个原因。
However, other people stand on a different ground. They consider it harmful to do X. Theyfirmly point out that 反对X 的第一个理由。 An example can give the details of this argument: 一个例子。
There is some truth in both arguments. But I think t ……
2.说明原因型
Nowadays ,there are more and more XX in some big cities . It is estimated
that ( 1 ).
Why have there been so many XX ? Maybe the reasons can be listed as follows.
The first one is that ( 2 ) .Besides,( 3 ) . The third reason is ( 4 ).
To sum up ,the main cause of XX is due to ( 5 ) .
It is high time that something were done upon it. For one thing ,( 6 ).
On the other hand ,( 7 ). All these measures will certainly reduce th ……
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