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标题: 855-8-6 [打印本页]

作者: skyinseas 时间: 2006-4-24 12:46
标题: 855-8-6

The number of undergraduate degrees in engineering awarded by colleges and universities in the United States increased by more than twice from 1978 to 1985.

(A) increased by more than twice

(B) increased more than two times

(D) was more than doubled

(E) had more than doubled

答案是c，为何b不可以？

作者: joe11 时间: 2006-4-24 23:44

1.简洁原则

2.two times 用法不对。搜索一下以前的讨论帖吧。

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