这种类型的文章主要针对一些实际的问题分析其原因和后果，最后提出解决的措施。一般情况下三段的分布为：第一段描述内容，第二段分析问题所在，第三段提出解决方案。

　　环境保护类

　　模板1：

　　This is a very interesting piece of cartoon, in thanks to . Hence, .

　　Though being a little exaggerating, the cartoon illuminates a serious fact that , and for that matter, . A recent report also supported this view by . On the contrary, we are sad to perceive that .

　　Therefore, in my opinion, it is already high time for the whole world to form a solid cooperation fighting against , because not a single government or person can be exempt from its harm. A series of down-to-earth measures need to be urgently implemented to control .