七年级上册英语周报2021――2022第十三期阶段专练答案

七年级上册英语周报2021――2022第十三期阶段专练答案

When the policeman stopped us, we all looked questioningly at him, ________.

A．nervously and puzzled B．nervous and puzzling

C．nervous and puzzled D．nervously and puzzling

七年级上册英语周报2021――2022第十三期阶段专练答案试题答案

C

【解析】C　考查形容词作状语。此处为形容词作伴随状语，所以选C项。

_____to nuclear radiation, even for a short time , may produce variants(变异体) of genes in human bodies.

A. Being exposed B. Having expose

C. Exposed D. After being exposed

七年级上册英语周报2021――2022第十三期阶段专练答案试题答案

A

【解析】

试题分析：考查非谓语动词。句意：暴露在核辐射下，甚至很短的时间就可能在人的身体里产生基因变异。Being exposed to nuclear radiation 是这个句子的主语，中间的插入语even for a short time 可以不用管。may produce是谓语， variants of genes in human bodies是宾语。选项B、C、D在句首时都是作状语的，不能做主语，所以不对。故选A。

考点：考查非谓语动词

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