考研英语写作能力的提升，必须要有前期的积累，对相关词汇短语句式等素材进行搜集整合，在话题练习的时候加以利用。下面小编分享2017考研英语作文句式及词汇推荐，大家注意看看。
图表描述：
数据图表a data graph/chart/diagram/illustration/table
饼图用pie chart
直方图或柱形图用bar chart/histogram
趋势曲线图用line chart/curve diagram
表格图用table
折线统计图 broken line graph
流程图或过程图用flow chart / sequence diagram
程序图用processing/procedures diagram
固定不变 fixed in time
百分比 accounts for ……% of the tota，l takes up ……% in the whole chart
一系列的时间段中转变用changes over time
波动用fluctuate/rebound/undulate/wave
稳定用remain stable / stabilize / level off ， As can be seen from the table/chart/diagram/graph/figures
上升/下降/平稳：
increase ， to go up, rise, jump, leap, shoot,an increase,a growth, an upward trend, a jump, reach to 1000, increase to the peak of 1000.climb to 1000...
to fall, decrease , decline drop, collapse, go down, a drop ,a decline, a slide ,a fall decline to 200, drop to the bottom of 200... drop to 200....
have little change, hardly change,remain steady/constant, stay the same
时间表达：
from……to……，between……and……，during……and……， at the start of ……，by the end of ……，at the end of ……，throughout ……
对比：
comparing with, make a comparison with ,in contrast , on the contrary.......