【单选题】
市郊联社目前开展的ETC业务分为哪几类___
A. 储值卡,借记卡
B. 储值卡,记账卡
C. 储值卡,信用卡
D. 借记卡,信用卡
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答案
B
解析
暂无解析
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ATM长款业务差错处理应在___个工作日内将款项上划至省联社资金清算中心
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新版个人网银转账单笔限额是___元,日累计限额是( )元。( )
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河南省农村信用社手机银行中的无卡取款业务日累计限额(),每日可进行()次无卡取款。___
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— How are you, Bob?___
A. How are you?
B. I'm fine. Thank you.
C. How do you do?
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【单选题】
— Thanks for your help.___
A. My pleasure.
B. Never mind.
C. Quite right.
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【单选题】
— Hello, my name is Charles Green, but ___ .
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B. call me at
C. harles C. call me Charles
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【单选题】
— ___, and how are you?
A. Don't mention it
B. Hm, not too bad
C. Thanks
D. Pretty fast
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— I'm sorry. I am late due to the heavy traffic___
A. Well, it's OK.
B. No, it's all right.
C. You are welcome.
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— It's rather cold in here. Do you mind if I close the window?___
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___He teaches physics in a school.
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C. What is your father doing?
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【单选题】
— Excuse me, how much is the jacket?___ It's 499 Yuan.
A. Oh, no. That's OK!
B. How do you like it?
C. Which do you prefer?
D. Would you like to try it on?
【单选题】
— Could you help me with my physics, please?___
A. No, no way.
B. No, I couldn't
C. No, I can't.
D. Sorry I can't. I have to go to a meeting right now.
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— Congratulations! You won the first prize in today's speech contest.___
A. Yes, I beat the others.
B. No, no, I didn’t do it well.
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— Hey, Tom, what's up?___
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B. Yes, I do.
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B.
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How do you do?___
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555定时器属于___
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54多谐振荡器可产生 ___
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脉冲整形电路有___。
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【单选题】
56石英晶体多谐振荡器的突出优点是___ 。
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TTL单定时器型号的最后几位数字为___。
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【单选题】
555定时器不可以组成___。
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【单选题】
59以下各电路中,___可以产生脉冲定时。
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89S51的内部程序存储器与数据存储器容量各为多少?___
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【单选题】
89S51比89C51多出了哪个功能?___
A. 存储器加倍
B. 具有WDT工能
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【单选题】
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7在DIP40封装的8×51芯片里,接地引脚与电源引脚的引脚编号是什么?___
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【单选题】
9在12MHz始终脉冲的8051系统里,一个机器周期有多长?___
A. 1µs
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【单选题】
12下列哪个寄存器是8×51内的16位寄存器?___
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14在8×51的输入/输出端口里,哪个输入/输出端口执行在输出功能时没有内部上拉电阻?___
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【单选题】
17在8×51里,若要扩展外部存储器时,数据总线连接哪个输入/输出端口?___
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【单选题】
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【单选题】
7405/7406的输出采用哪种电路结构?___
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【单选题】
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23共阳极七段数码管显示器的驱动信号有何特色?___
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【单选题】
24在8×51的程序里,若要将某个输入/输出端口设置成输入功能,应如何处理?___
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【单选题】
8×51提供几个外部中断和定时器/计数器中断?___
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【单选题】
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【单选题】
28若要让采用低电平触发,则应如何设置?___
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【单选题】
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【单选题】
30在8×51所提供的中断功能里,下列哪个优先级比较高?___
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【单选题】
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【单选题】
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【单选题】
33若要同时启用INT0及INT1中断功能,则应如何设置?___
A. TCON=0×81
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【单选题】
35在8×51的Timer里,若使用Mode 0,其最大计数值为多少个机器周期?___
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【单选题】
36在12MHz的8×51系统里,哪一种方式一次可定时5ms?___
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【单选题】
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【单选题】
39下列哪个不是8×51所提供的省电方式?___
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【单选题】
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【单选题】
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【单选题】
8×51的定时器,在下列哪种方式下具有自动加载功能?___
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【单选题】
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