Para 1, 两句话：第一句：This is a _____chart, which demonstrates the number of_____ from ____ to ____. 如果两个图，则：There are two charts below. The _____ chart describes the number of _____, and the _____ chart illustrates the figure of ____. 第二句：(所有题目适用)，From the chart we can see that the number of ______ varies constantly/greatly in _____.
　　Para 2, As we can see from the chart,/or It is clear from the chart that ____.
　　如果有两个图：则：The _____ chart shows that ______./or As we can see from the first chart, _______
　　Para 3, (如果两个图的话，) It is clear from the second chart that …
　　Para 4 结尾：From the figures/statistics above, we can see/conclude/draw a conclusion that …