From the bar/curve/pie/table chart given above, we can observe that sth. experienced some changes during the past several years.
Sth. [increased/ascended/rose] [decreased/descended/declined]
From [N1] in [Y1] to [N2] in [Y2].
Sth. increased/decreased with some fluctuations during the past several years.
Sth. reached the maximum/ minimum at N in Y.
Sth. reached unchanged at N in Y.
Observing the statistics of another group， we can find that…
The pie/table/curve/bar chart shows the statistics of sth.
Sth1 accounts for N%, ranking first; Sth2 ranks second, making up N2%; observing the statistics of sth3, it occupies N3%, N4% higher/lower than that of Sth1.
The pie/table/curve/bar graph reveals a phenomenon that…
Ample reasons ban be listed to account for this phenomenon, and the followings might be the most critical ones:
The phenomenon/problem mentioned above will give birth to severe consequences if we leave the situation as it is.
第三段： 预测趋势, 措施建议,个人评论段
Based on the trend of the past, we may forecast that sth. will continue to rise/decrease. (解释原因)
Due attention should be paid to this trend.
Ø 文章第8句话：具体措施措施或建议 (同负面现象作文)
Ø 文章第9句话： 美好愿景
9.1 Only in this way can we ensure/ enjoy / make…
9.2 I am deeply convinced that …