39.a increased to...
a增长到...
40.high/low/great/small/ percentage.
比低高(低)
41.there is an upward trend in the number of...
...数字呈上升趋势。
42.a considerable increase/decrease occurred from...to...
...到...发生急剧上升。
43.from...to...the rate of decrease slow down.
从...到...，下降速率减慢。
44.from this year on，there was a gradual declinel reduction in the...,reaching a figure of...
从这年起，...逐渐下降至...
45.be similar to...
与...相似
46.be the same as...
与...相同
47.there are a lot similarities/differences between...and...
...与...之间有许多相似(不同)之处
48.a has something in common with b
a于b有共同之处。
49.the difference between a and b lies in...
a与b之间的差别在于...
50...(year)witnessed/saw a sharp rise in...
...年...急剧上升。
第二部分：Task1 写作常识
一、图形种类及概述法：
泛指一份数据图表：a data graph/chart/diagram/illustration/table
饼图：pie chart
直方图或柱形图：bar chart / histogram
趋势曲线图：line chart / curve diagram
表格图：table
流程图或过程图：flow chart / sequence diagram
程序图：processing/procedures diagram
以下是一些较常用的描述用法
The table/chart diagram/graph shows (that)
According to the table/chart diagram/graph
As (is) shown in the table/chart diagram/graph
As can be seen from the table/chart/diagram/graph/figures,
figures/statistics shows (that)...
It can be seen from the figures/statistics
We can see from the figures/statistics
It is clear from the figures/statistics
It is apparent from the figures/statistics
table/chart/diagram/graph figures (that) ...
table/chart/diagram/graph shows/describes/illustrates how
