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【单选题】
在MCS-51单片机中,定时/计数器1中断的中断入口地址是( )。
A.
0003H
B.
000BH
C.
0013H
D.
001BH
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【单选题】—Today is the ______ day in my life, because I won the first prize in the competition. —Congratulation! [     ]
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