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【单选题】
在 MCS-51 单片机中,需要软件实现中断撤销的是: DA.
定时中断
B.
脉冲触发的外部中断
C.
电平触发的外部中断
D.
串行口中断
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反馈参考答案：
举一反三
【单选题】Mary’s birthday ________ on a Sunday this year.
A.
finds
B.
falls
C.
forecasts
D.
founds
【单选题】Mary's birthday ________ on a Sunday this year.
A.
falls
B.
finds
C.
forecasts
D.
founds
【简答题】进一步应先作哪项检查（ ）。
【简答题】读一读，填一填。 Jack: When is your birthday, Mary? Mary: It's in February. Jack: I know. But what's the date? Mary: It's February 19th. Jack: And when is your dad's birthday? Mary: It's September 21st. Jack:...
【单选题】直接融资,面向股东来融资,增加企业注册资本金,或者通过资本市场公开上市募资,最终体现在资产负债表中增加()
A.
固定资产
B.
所有者权益
C.
长期负债
D.
流动资产
【简答题】阅读理解 She was born on December 29th. Mary is four years old. Today is Mary's birthday. Mrs. Smith is her mother. There is a party for her. Lots of her friends come to her birthday party. A birthday...
【单选题】Next Friday will be Mary ’ s birthday.
A.
Happy birthday to you .
B.
Let ’ s have a party for her.
C.
Long time no see.
D.
Sorry to hear that.
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