写一篇正反观点对比类议论文时，要做到要点完整、条理清晰。各段之间层次分明，以使文章有条理。在写作时，常使用一般现在时。此类文章的结构一般为：引语(提出问题)——正方观点及论据——反方观点及论据——结论(个人看法)。
1．引出讨论话题
Recently ...had a heated discussion about whether ...or not.
There have been many reports of ...
People hold different opinions about ...
The reasons for that are as follows.
2．对比双方观点及陈述理由
(1)表达支持的：
Some are in favour of ...;
Some support...;
The majority of them think...;
Many of them are for...;
There are many advantages of...;
...play an important part in...;
be of vital significance;
benefit a lot from ...
(2)表达反对的：
Others are against ...;
Some hold the different view that ...;
There are also some disadvantages of ...
(3)承接词汇：
Firstly; secondly; besides; in addition; what's more; furthermore; in a word; in short; even worse ...
(4)引出另一方的转折词汇：
However; on the other hand; while; on the contrary; whereas ...
(5)表明作者的看法及理由：
In my opinion/In my view/ Personally, I think ...;
Taking everything into consideration, we should make good use of ...;
Only in this way can we do ...
