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【简答题】
用以引导水流平顺地进入闸室，并与闸室等共同构成防渗地下轮廓的水闸组成部分是（ ）。
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皮皮学刷刷变学霸
举一反三
【单选题】—Are there any boats in the river? —No, _____. [ ]
A.
there isn't
B.
there are
C.
there is
D.
there aren't
【单选题】单项选择。 — Is there any fish on the table? — . [ ]
A.
Yes, there isn't
B.
No, there is
C.
Yes, there is
D.
No, it isn't
【单选题】— Are there any pictures on the wall? — No, ______. [ ]
A.
there is
B.
there are
C.
there isn't
D.
there aren't
【单选题】— people in the room? —Yes, there are. [ ]
A.
Is there a
B.
Are there any
C.
Is there any
【简答题】增加一个用户的命令是__1__
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