题目内容

The author of the passage advises us _________

A. to use words carefully and accurately B. not to use silly and rude words C. to become a slave of words D. to use emotional words

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我国现行建筑安装工程费用构成中,材料二次搬运费应计入()。

A. This B. That C. What D. Which

Sorry, I don’t know he is a friend of _________.

A. your brother B. your brothers C. your brother’s friend D. your brother’s

It is believed that the widespread use of the “grid”will become possible in the next________.

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