in this area.over-----of the trees have been damaged in twenty the past twenty yearsA two thirds B 60 percents C 60 th percent 选什么

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in this area.over-----of the trees have been damaged in twenty the past twenty years
A two thirds B 60 percents C 60 th percent 选什么

分数的表示法是分子用基数词,而2分子用序数词的复数.
百分数的表示法是 数+percent
答案选择A,无C的用法.

选A。A的意思是三分之二,B、C的表示方法都是错的,60%应该改成60 percent
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A two thirds