图表
要对图表进行描写和讨论,首先要看懂图表,弄清其反映的问题或现象。注意:
1. 图表的类型:
pie chart(表示各种事物在总数中所占比例)
line graph(表示一种事物的上升或下降趋势)
bar graph(表示几种事物在同一时期上升或下降的情况)
table(表示多种事物之间的关系)
2. 抓住主要数据,反映根本问题:
①借助题目和要求 ②变化明显的数字
3. 掌握一些数字表达法:
①In the year…, it rose/increased/soared/jumped//decreased/dropped/fell by …percent
②In comparison with…, the figure/percentage has nearly/more than doubled/tripled/quadrupled.
③By the end of the last decade, as many as three quarters/75 percent of/three out of four/three in four college graduates as against/as opposed to 1990, had …