2. 职称英语
  3. The physicist has made a discovery, ______ of great importance to the progress o

The physicist has made a discovery, ______ of great importance to the progress o

游客2023-11-05  55
问题 The physicist has made a discovery, ______ of great importance to the progress of science and technology.[1997]
选项 A、I think which is
B、that I think is
C、which I think is
D、which I think it is
答案 C
解析 此空所在分句是作名词discovery的非限制性定语从句，因此关系代词用which不用that。故C正确。
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