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【判断题】
依据《中华人民共和国反恐怖主义法》:组织、领导、参加恐怖活动组织的,是恐怖活动。
A.
正确
B.
错误
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参考答案:
举一反三
【判断题】8051单片机RST引脚,当输入的复位信号延续2个机器周期以上的低电平时即为有效,用以完成复位初始化操作。
A.
正确
B.
错误
【简答题】单片机的9号引脚RST是 引脚, 电平有效(填“高”或“低”)
【简答题】要使 MCS-51 单片机有效复位,在复位引脚 RST 上应至少保持 个机器周期的 电平。
【单选题】RST引脚的有效电平为
A.
低电平
B.
高电平
C.
负脉冲
D.
持续两个机器周期以上的高电平信号
【简答题】RST 复位信号输入端,_________(填写高电平或低电平)有效,此引脚加上持续时间大于 _________ 个机器周期( 24 个时钟振荡周期)的高电平时,就可以完成复位操作。
【判断题】80C51 单片机RST引脚加的有效复位电平是低电平。
A.
正确
B.
错误
【单选题】What did the study find about the effect of having more job Authority?
A.
It increases symptoms of depression in men.
B.
It increases symptoms of depression in women.
C.
It decreases symptoms of depression in both men and women.
D.
I increases symptoms of depression in both men and women.
【单选题】News report 1--- 1. What did the study find about the effect of having more job authority?
A.
It increases symptoms of depression in men.
B.
It increases symptoms of depression in women.
C.
It decreases symptoms of depression in both men and women.
D.
It increases symptoms of depression in both men and women.
【单选题】当()引脚输入的信号连续2个机器周期以上高电平时即为有效,用以完成单片机的复位初始化操作。
A.
Vss
B.
RST
C.
XTAL1
D.
Vcc
【单选题】[音频] News report 1--- 1. What did the study find about the effect of having more job authority?
A.
It increases symptoms of depression in men.
B.
It increases symptoms of depression in women.
C.
It decreases symptoms of depression in both men and women.
D.
It increases symptoms of depression in both men and women.
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