此類作文要求考生從提示性文字或圖表、圖畫入手，解釋提示性文字、圖表、圖畫反映出的問題，提出問題的危害性或解決這一問題的緊迫性;然後對問題展開分析，提出解決問題的方案或應對措施;最後一段要求考生表明自己的`態度、做法等。
a.影響分析型關鍵句式
The chart / graph/ table/ picture describes that the figure declines/ falls smoothly/ markedly. It indicates that圖表顯示數字下降平緩，這表明.
There may be a combination of factors which contribute to / are responsible for 可能是好幾個因素造成的結果。
There may be several possible reasons to this phenomenon, which will be demonstrated as follows. 可能有幾個原因導致了我們下面所要闡述的現象。
The significant effects of this phenomenon are undeniable, which can be concluded as the following aspects.這一現象的重大影響是不可忽略的，可大致歸結為以下幾個方面
On one hand, On the other hand,一方面，另一方面，
現象闡釋類作文框架
As is shown in the graph above, we can see clearly that great changes have taken place in fromto The first years saw The last years witnessed
What are the reasons for the? On my standpoint, there are several as follows. First of all, . What is more, but not the least,.
