1. 比较型议论文
对同一事物的正反两面进行比较分析，即分析事物的好与坏，利与弊，然后归纳自己的观点。
要领：抓住事物突出的优缺点。
写作常用套语
开头：
There is no doubt that…has （brought society） both advantages and disadvantages/merits and drawbacks
Obviously， it has both advantages and disadvantages/merits and drawbacks/positive effects and negative effects.
With the rapid development of … is /are playing an increasingly important part in …today.
论证或承接
In spite of /Despite the adverse effects， it has its beneficial effects.
The advantages derived from …are much greater than the disadvantages.
Generally speaking， the advantages can be listed as follows：
What”s more，…
Besides/Moreover/Furthermore，…
结尾
After weighing/considering the advantages and disadvantages/merits a
