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…..