The scientist has made quite a few discoveries, ______ of great importance to th

游客2023-11-21 9

问题 The scientist has made quite a few discoveries, ______ of great importance to the whole world.

选项 A、which I think they are
B、which I think are
C、I think which are
D、that I think they are

答案 B

解析此题考查非限定性定语从句。非限定性定语从句不能用关系代词 that来引导，因而排除D项。C项语序不对。在以which开头的 A、B项中，关键要识别出插入语“I think”，这样显然A项中的they为多余的词，因此B项为正确答案。

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