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【单选题】
关于基因诊断和基因治疗,不合乎医学伦理的是()
A.
对于有基因缺陷的病人,医务人员应尊重其人格和权利
B.
必须向患者或其家属作出相应的解释,由其自主决定是否接受诊断和治疗
C.
必须确信基因治疗有效,而且预期疗效大于危险
D.
需要遵循一定的审批程序以保证相应原则的落实
E.
应该遵循资源共享原则,不能对病人的情况向外界保密
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【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。
【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? [音频]
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】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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