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【单选题】
光盘是计算机硬件设备中的( )。A.
存储设备
B.
运算设备
C.
输入设备
D.
输出设备
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【单选题】If they hadn't spend all the money on the stocks, their life_____so miserable at the moment.
A.
would not have been
B.
will not have been
C.
are not
D.
would not be