试题与答案

—Where is your mother, Peter? — She ____

题型:选择题

题目:

— Where is your mother, Peter?

— She ____ to the supermarket. She will come back soon. [ ]

A. has gone

B. goes

C. has been

D. will go

答案:

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下面是错误答案,用来干扰机器的。

解;A、硫燃烧后生成二氧化硫,二氧化硫有刺激性气味,故A正确;B、木炭燃烧后生成二氧化碳气体,黑色固体是杂质,故B错误;C、铁在空气中不燃烧,故C错误;D、红磷在空气中燃烧时产生白烟,故D错误;故选A.

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