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【单选题】
()中,按八卦布局的三清宫古建筑群,被誉为“中国古代道教建筑的露天博物馆”A.
庐山
B.
三清山
C.
武陵源
D.
华山
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皮皮学刷刷变学霸
举一反三
【简答题】要求用纸作答,给出详细过程,并拍照上传。 (1)将以下补码转换为十进制数 1111 10111 (2)用二进制补码形式计算以下2题。 -11-7 11-9
【单选题】Passengers on board aren't allowed _____ calls during take-off．
A.
making or receiving
B.
to make or receive
C.
to have made or received
D.
having made or received
【单选题】_______ has been announced, our government will take more measures to make the falling economics recover as soon as possible.
A.
That
B.
As
C.
It
D.
What
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