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【简答题】
听下面一段材料, 回答第1至3 题. 1. What had gone wrong in their house? A. Their washing machine B. The electricity. C. The lights. 2. Which of the following is true? A. Mr. Black did nothing for them at all. B. Mr. Black asked too much money from them for his work. C. Mr. Black did help them but couldn't solve the problem completely that day. 3. Why did the man think it would cost him dearly? A. Because he wanted to buy a car. B. Because he didn't have a good job. C. Because their car needed repairing.
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【判断题】各中断发出的中断请求信号,都会标记在51系统的IE寄存器中
A.
正确
B.
错误
【判断题】各中断发出的中断请求信号,都会标记在MCS-51系统的IE寄存器中
A.
正确
B.
错误
【单选题】登门拜访他人时,以下哪种做法是正确的? ( )
A.
未经主人邀请和许可,不进入卧室
B.
入座之后不能走动
C.
主动参观主人家里的摆设,自由进入各个房间
D.
随意吃喝,不用太客气。
【单选题】各中断源发出的中断请求信号,都会标记在MCS—51系统中的
A.
TMOD
B.
TCON/SCON
C.
IE
D.
IP
【单选题】I'll never forget the day when my son was born.下面哪一句话的句意和此句是同样的意思?
A.
I'll never forget the day in which my son was born.
B.
I'll never forget the day on which my son was born.
【单选题】I'll never forget your kindness.
A.
遗失
B.
回忆
C.
忘记
【单选题】各中断源发出的中断请求信号,都会标记在单片机系统中的
A.
IE
B.
TMOD
C.
TCON/ SCON
D.
IP
【简答题】I'll never forget ______ (see)the musical comedy in New York.
【单选题】各中断源发出的中断请求信号,都会标记在MCS-51系统中的
A.
TMOD
B.
IE
C.
TCON/SCON
D.
IP
【单选题】This is the day I'll never forget. [     ]
A.
to which
B.
which
C.
what
D.
where
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