He made another wonderful discovery, ____ of great importance to science. A．which I think is B．which...
2023-02-08 14:10:53 22次 0910学年黑龙江省高一上学期期末考试英语试题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
He made another wonderful discovery, ____
of great importance to science.
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A．which I think is
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B．which I think it is
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C．which I think it
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D．I think which is
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