① percent意為“百分之……”,前面必須有數(shù)詞,后面通常要跟“of+名詞”,構(gòu)成“數(shù)詞+percent+of+名詞”結(jié)構(gòu),表示具體的百分?jǐn)?shù)。本結(jié)構(gòu)中的名詞如果是單數(shù),謂語動詞就要用單數(shù);如果是復(fù)數(shù),謂語動詞就要用復(fù)數(shù)。
Eighty percent of the earth is covered by water. 地球表面的80%被水覆蓋著。
Twenty percent of the students are from the south. 20%的學(xué)生來自南方。
② percentage意為“百分率,百分?jǐn)?shù)”,前面常有l(wèi)arge,small,great,high,what等,但不可用數(shù)詞修飾,后面常跟“of+名詞”。有不定冠詞或what時(shí),句中謂語動詞的單復(fù)數(shù)要根據(jù)of后的名詞而定。
The percentage of the failures is very small. 不及格的百分率很低。
A small percentage of his income is spent in buying books. 他收入的一小部分用于買書。
A great percentage of the TV sets in the shop are made in China. 這家商店出售的電視機(jī)絕大部分是中國制造的。
What percentage of college students go abroad?大學(xué)生出國的百分率是多少?