,the compass was first invented in China. [ ] A. It is known to all B. It is kno
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![,the compass was first invented in China. [ ] A. It is known to all B. It is kno](/pic/43_772582.jpg)
________ ,the compass was first invented in China.
[]A.It is known to all
B.It is known that
C.We all know
D.As is known to all
试题答案
答案:D
解析:as可以用于句首引导非限制性定语从句,先行词是后面的整个句子。 |