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问题
选择题
图所示各图完全正确的是[ ]
A.
B.
C.
D.
答案
答案:
C
选择题
—What's your sister doing?
—______.
A. I can't see her
B. She's flying a kite
C. Yes, she's reading
D. She likes running
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单项选择题
下列中哪一种土受水浸湿后,土的结构迅速破坏,强度迅速降低?()
A.膨胀土
B.冻土
C.红粘土
D.湿陷性黄土
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