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【单选题】
51单片机的中断有两个优先级级别,各中断源的优先级用( )设定。A.
TCON
B.
PCON
C.
IE
D.
IP
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反馈参考答案：
举一反三
【单选题】— Good morning! ? — I’d like to have a look at the menu, please.
A.
What do you want
B.
Can you help me
C.
What can I do for you
D.
Do you have any cards
【单选题】--Good evening, Professor Hardy. --Good evening, John. Come in, please. --Thank you, I hope I am not interrupting you. --No, ____________.
A.
thank you
B.
not at all
C.
thanks
D.
let it alone
【简答题】阅读理解。 I'm 15. Now I'm studying English in London. I want to invent a language machine that can help me understand many languages. Li Ming, Hunan I'm a 12-year-old boy. I like traveling very much. How ...
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