题目内容
The astronaut did many experiments in the spaceship, ______ much help for knowing space.
A. which we think it is B. which we think are of
C. of which we think are D. I think which is of
【答案】
B
【解析】
试题分析:句意:宇航员在宇宙飞船里做了许多实验,我们认为这些实验对理解太空知识很有帮助。转换句子结构,答案就会显露出来:…and we think they(the experiments) are of much help for knowing space.
be of much help=be very helpful。which的先行词为“the experiments”;we think变成了插入语。去掉这个插入语,答案更加明了。
考点:考查非限制性定语从句和插入语的位置
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