题目

The size of the audience, ____ we had expected, was well over one thousand. A. whom    B. who   C. as    D. which 答案:C 解析:    as引导非限制性定语从句,表“如同”。5.列式计算.(1)一个数的$\frac{4}{5}$比它的60%多20,这个数是多少?(2)用3与$\frac{2}{5}$的和去除它们的积,商是多少?(3)一件上衣现在售价135元,比原价降低了15元,降低了百分之几?
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