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 题目和参考答案——青夏教育精英家教网—

题目内容

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

答案：A
解析：

此题考查的是关系代词的用法．首先认清这是个非限制性定语从句，其次分析I think作插入语，因为of great importance to science前面缺少谓语动词，所以应选A．此题意思是“他又作出了惊人的发现，我认为他的发现对科学极为重要”．

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