5. A car with multiple gears is mentioned at the end of paragraph 2 in order to argue that you should adopt multiple reading styles depending on the situation.
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6. The exercise at the end of the text is given to help maximize the number of words taken in at each stop.
A. 对
B. 错
设定时器/计数器T0工作于方式3 ,则TH0作为独立的8位定时器,它的运行由控制位( )决定。
A. GATE
B. INT0
C. TR0
D. TR1
.设定时器/计数器T1的工作于外部控制方式,则只有在( )情况下,T1才开始工作。
A.TR1=0 , INT1=0
B. TR1=1 , INT1=0
C. TR1=0 , INT1=1
D. TR1=1 , INT1=1
若系统晶振频率是12MHZ ,利用定时器/计数器1定时1ms,在方式0下的定时初值为
A. TH1=E0H , TL1=18H
B. TH1=18H , TL1=E0H
C. TH1=1CH , TL1=18H
D. TH1=18H , TL1=1CH