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【单选题】
51系列单片机T0的溢出标志TF0，若计数满在CPU响应中断后，___________。A.
由硬件清零
B.
需软件清零
C.
AB都可
D.
随机状态
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皮皮学刷刷变学霸
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【简答题】Gardner Dolores
【单选题】Nobody knows ________ to visit our school ．
A.
when will he come
B.
when does he come
C.
when he will come
D.
when he does come
【简答题】Tisa Co is considering an opportunity to produce an innovative component which, when fitted into motor vehicle engines, will enable them to utilise fuel more efficiently. The component can be manufact...
【单选题】When Wilma Ruldoph was four years old, she had polio and she became .
A.
crippled
B.
deaf
C.
dumb
D.
disabled
【单选题】When is the toy dog a good choice?
A.
When you have small children.
B.
When you live in the countryside.
C.
When you live in a small house.
D.
When you live in me city.
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