题目内容
15. He made another wonderful discovery, of great importance to science.
A. which I think is B. which I think it is
C. Which I think it D. I think which is
15. A
15. A解析:考查定语从句和插人语。句意: 他又有了一个极棒的发现,我认为这个发 现对科学很重要。根据句意可知,discovery 后是定语从句 ,且先行词 discovery 在 从句中充当主语,故用which引导。
I think 为插人语。
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