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【单选题】
同步型RS触发器的逻辑符号如图所示,其输出状态的变化,发生在时钟脉冲CP=1期间;已知CP=1期间输入端S=0,R=1,在_______期间内,其输出端Q为______。【图片】
A.
CP=1 ,1
B.
CP=0 ,1
C.
CP=1 ,0
D.
CP=0 , 0
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举一反三
【判断题】A good listener should try to clear his mind for listening to a speech.
A.
正确
B.
错误
【单选题】用户通过邮件、新闻组、实时讨论组和白板会议了解市场和商品信息、洽谈交易事务,这种电子商务功能是 新闻组、实时讨论组和白板会议了解市场和商品信息、洽谈交易事务,这种电子商务功能是
A.
信息发布
B.
咨询洽谈
C.
市场调研
D.
服务传递
【多选题】From which aspect should we focus on when trying to make a good speech?
A.
To know your audience
B.
Vocal communication
C.
To use humor
D.
Tips to start, develop and end
E.
Visual communication
【单选题】用户通过邮件、新闻组、实时讨论组和白板会议了解市场和商品信息、洽谈交易事务,这种电子商务功能是
A.
信息发布
B.
咨询洽谈
C.
市场调研
D.
服务传递
【判断题】空间格子中的相当点就是指晶体中的同类质点。
A.
正确
B.
错误
【单选题】-How do Canadians like to be called? -Most of them don't object ________ them their first names. [     ]
A.
that you call
B.
for calling
C.
to your calling
D.
to call
【判断题】空间格子中的相当点,就是指相同的质点。
A.
正确
B.
错误
【判断题】A good listener should judge before the speaker finishes the speech.
A.
正确
B.
错误
【判断题】In other words, a good speech topic should bring something new to your listeners. One practical way to find out a proper topic is to do brainstorming. This is a mental exercise that helps you find out...
A.
正确
B.
错误
【简答题】In other words, a good speech topic should bring something new to your listeners. One practical way to find out a proper topic is to do ( ). This is a mental exercise that helps you find out new to...
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