试题与答案

After the trainer was sure that the whal

题型:选择题

题目:

After the trainer was sure that the whale could look after itself, he _____ it into the sea. [ ]

A. transported

B. unloaded

C. released

D. handled

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A解析:分类汇总建立在已经排序的基础上,将相同类别的数据进行统计汇总。

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