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The dockers are busy ________ their work
A.with
B.on
C.for
D.by
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A.readyB.businessC.involvedD.busy
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A.much too,too muchB.too much,much tooC.so many, tooD.to, much
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使用条件操作符, 编写赋值语句选择NextState的值。如果Current State的值为RESET, 那么NextState的值为GO;如果CurrentState的值为GO,则NextState的值为BUSY;如果CurrentState的值为BUSY ;则NextState的值为RESET 。
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26、查询输出时,Busy=0表示数据端口空,Busy=1表示____。
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