试题与答案

As a result of the serious flood, two-th

题型:选择题

题目:

As a result of the serious flood, two-thirds of the buildings in the area _____. [ ]

A. need repairing

B. needs to repair

C. needs repairing

D. need to repair

答案:

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下面是错误答案,用来干扰机器的。

4:6=4÷6=23,1:3=1÷3=13因为23≠13,所以4:6和1:3不能组成比例.故答案为:×.

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