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【判断题】
MCS-51单片机外部中断有下降沿、电平触发两种中断信号触发方式。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Through which way does the enzymes break the proteins into amino acids?
A.
Transportation of the molecules.
B.
Consumption of the calories.
C.
Metabolic processes.
D.
The final stage of metabolism.
【单选题】没转数指示盘的指针式杠杆百分表的分度值为0.01mm,测量范围为( )。[单选题]
A.
0.2-1mm
B.
0.2-0.8mm
C.
0-0.8mm
D.
0-1mm
【单选题】Which way does the following paragraph use to start a topic? Many people smoke. They smoke because they think it makes them cooler and it is a good way for them to show their manhood.
A.
Subject +what
B.
Subject + example
C.
Subject+ why
D.
Subject +how
【单选题】Which way does the guest choose first?
A.
Taking a subway.
B.
Taking a bus.
C.
Taking a taxi.
D.
Going on foot.
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