這種類型的文章主要針對一些實際的問題分析其原因和后果，最后提出解決的措施。一般情況下三段的分布為：第一段描述內容，第二段分析問題所在，第三段提出解決方案。

　　人口增長類

　　模板1：

　　The picture depicts a scene in which . The scene is presented in an artistic and ironic manner. Crowds of people are crammed in . Further examination reveals that .

　　Apparently, the picture symbolizes that humans, with such a huge population, may one day suffer from the exhaustion of earth resources. Take for example. Given the fact that , we find that . To make it worse, .

　　If the conflict between population boom and shortage of resources is not properly controlled, we have every reason to hold a pessimistic perspective towards humans future on Earth. Perhaps eventually we would face the situation suggested by the picture, that is, . Accordingly, I strongly recommend that the whole globe launch aggressive programs to address this fatal contradiction.