______is known to us all is that the sun rises in the east.

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问题 ______is known to us all is that the sun rises in the east.

选项 A、It
B、What
C、As
D、Which

答案B

解析 分析句子结构可知,第二个is之前是主语从句,从句中句子成分不完整,缺少主语,所以应用连接代词what引导。本题容易误选C项,将as is known to us all(众所周知)当作固定短语,但它不能充当句子的主语,所以不是正确答案。
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本试题收录于: 英语题库普高专升本分类
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