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【多选题】
坡屋顶是常用的屋顶类型,有( )等多种形式。A.
B.
C.
四坡
D.
歇山
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皮皮学刷刷变学霸
举一反三
【简答题】下列哪一项不能促进胰液的分泌
【简答题】The experienced teacher's ________(explain) to the math problem was clear and to the point.
【单选题】听力原文：M: Ma, I can't finish the math homework, it's too difficult to do. W: You know what to do if there's a problem? Q: What does the woman mean? (19)
A.
The child should know how to solve the math problems.
B.
There won't be any difficulty in the math homework.
C.
She wants to help the child with the math homework.
D.
She wants to find out about the math problems.
【单选题】The math problem is so hard that ______ students can't work it out.
A.
a few
B.
a little
C.
many
D.
few
【单选题】The math problem is so hard that ___students can work it out.
A.
a few
B.
a little
C.
many
D.
few
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