The main unit all the computer’s electronics.A. contains B. shows C. uses 题目和参考答案——青夏教育精英家教网—

题目内容

The main unit _________ all the computer’s electronics.

A. contains B. shows

C. uses D. helps

【解析】

试题分析：句意：这个主单元包括所有的计算机。A. contains包括； B. shows 出示； C. uses 使用； D. helps帮助；根据句意，故选A。

考点：考查动词的用法

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