1. 常用词
1)名词：
◆percentage百分比◆proportion份额
2)动词：
占：Comprise ,make up, constitute, account for, take up，consume占(份额), occupy,compose
is divided into…parts分为……部分
consist of/ be comprised of 由…构成
consume thelarges/smallest portion占最大/小的份额
与…相比较 compare/comparison/by contrast/ in sharpcontrast to
比…多 outnumber/exceed
3）短语及副词
与…相反 on the contrary
几分之几 one half/ one third/ one fifth/ two thirds/two fifths
大约、大概 about/around/almost/nearly/roughly/approximately
分别/各自 respectively
与…相比：Compared with，compared to，incomparison with，in comparison to，by comparison with，by comparison to
2. 常用套句
1)The graph, presented in a pie chart, shows the general trend in…
该图以饼图形式描述了……总的趋势。
2)The pie graphdepicts(mat)…
该饼图揭示了……
3)The biggestdifference between the two groups(A+B)is in…，where A makes up 5％while Bconstitutes 67％．
两组之间最大的区别在于……，其中A占5％，B占67％。
4)The highestpercentage of is A, which was approximately12％…
A占最高比例，大约12％……
5)The percentage of Ain…is more than twice that of B．The ratio is$％to $％．
A在……中的比例是B的两倍多，比率是$％ to $％。
6)A greater percentageof A than B is found in…(the former is $％and the latter is $％)
在……中A所占比例比B高(前者为$％，后者为$％)。
7)There are more A in…，reaching $％，compared with $％of B．
与B的$％相比，A所占比例较高，达$％。
8)A, which used to be the…，has become less important, which declined(increased)sharply from $％in 1978 toonly $％in 1998．
A从前是……，现在重要性减弱，所占比例从1978年的$％急剧地降到1998年的$％。
9)The percentage of Ais slightly larger/smaller than that of B．
A的比例比B的比例略高(低)。
10）the highest/greatest/lowest/smallest/ percentage/ proportion of… is…..
