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【单选题】
衡量计算机的主要技术指标有A.
所配备的系统软件的优劣
B.
CPU的主频和运算速度、字长、内存容量和存取速度
C.
显示器的分辨率、打印机的配置
D.
硬盘容量的大小
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举一反三
【单选题】_ Why, Jack, you look so tired! _ Well, I the house ans I must finish the work tomorrow.
A.
was painting
B.
will be painting
C.
have painting
D.
have been painting
【单选题】— Why, Jack, you look so tired! — Well, I _____ the house and I must finish the work tomorrow. [ ]
A.
painted
B.
had painted
C.
have been painting
D.
have painted
【单选题】——Why jack you look so tired! —— Well, I( )the house and I must finish the work tomorrow.
A.
was painting
B.
will be painting
C.
have painted
D.
have been painting
【单选题】—why, Jack, you look so tired! ---Well, I _____the house and I must finish the work tomorrow.
A.
was painting
B.
will be painting
C.
have painted
D.
have been painting
【单选题】–Why, Jack, you look so tired! --Well, I ___the house and I must finish the work tomorrow.
A.
was painting
B.
will be painting
C.
have painted
D.
have been painting
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