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【单选题】
“守丧”在中国古代文化中是一种表示孝顺的行为,父母过世,古人一般守丧几年?A.
一年
B.
两年
C.
三年
D.
四年
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反馈参考答案：
举一反三
【单选题】(2009安徽安庆模拟) He _____ have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside.
A.
should
B.
must
C.
wouldn’t
D.
can’t
【简答题】So confused ________ that he didn’t know how to start his lecture. A) since he became B) would he become C) that he became D) did he become
【简答题】So confused ____________that he didn't know how to start his lecture. [A] since he became [B] would he become [C] that he became [D] did he become
【简答题】什么是柏拉图多面体,常见的柏拉图多面体有哪些?
【简答题】与血浆渗透压很相似的溶液被称为等渗溶液，如0．9%葡萄糖溶液，5%氯化钠溶液。（ ）
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