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【单选题】
数字电路中用“1”和“0”分别表示【 】。A.
1>0；
B.
1<0；< /div>
C.
1=0；
D.
两种状态
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皮皮学刷刷变学霸
举一反三
【单选题】Most students think they should have _______ at school if there were no examinations.
A.
the happiest time
B.
a more happier time
C.
much happiest time
D.
a much happier time
【简答题】Anyone who works in an office knows the power of technology. When it works, life is wonderful. Information files across the world in seconds. It saves time and makes our jobs easier. But when technolo...
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