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That the elegant earl never got around to marrying his son's mother and had a bad habit of keeping worthies like Dr. Johnson cooling their heels for hours in an anteroom attests to the fact that even the most well-intentioned men have been postponers ever. Jean Kerr, author of many successful novels and plays, says that she reads every soup-can and jam-jar label in her kitchen before settling down to her typewriter. So, for that matter, is the creation of a great painting, or an entrée, or a book, or a building like Blenheim Palace, which took the Duke of Marlborough's architects and laborers 15 years to construct. Academe also takes high honors in procrastination. Bernard Sklar, a University of Southern California sociologist who churns out three to five pages of writing a day, admits that "many of my friends go through agonies when they face a blank page. There are all sorts of rationalizations: the pressure of teaching, responsibilities at home, checking out the latest book, looking up another footnote."
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【单选题】阻容耦合放大电路能放大( )信号。
A.
直流
B.
交、直流
C.
交流
D.
都不可以
【单选题】护理伦理学不包括的要素是
A.
支持维护
B.
行动负责
C.
互相合作
D.
关怀照顾
E.
精诚团结
【单选题】下列化合物与卢卡斯试剂反应最慢的是( )
A.
烯丙醇
B.
异丙醇
C.
正丙醇
D.
叔丁醇
【单选题】阻容耦合放大电路可以放大()
A.
交流信号
B.
直流信号
C.
都不能
D.
都可以
【单选题】阻容耦合放大电路可以放大:
A.
具有一定频率的交流信号
B.
直流信号
C.
所有的信号
【单选题】阻容耦合放大电路可以放大( )
A.
直流信号
B.
交流信号
C.
直流和交流信号
【单选题】阻容耦合放大电路可以放大。(  )
A.
交流信号
B.
直流信号
C.
交流和直流信号都能放大
D.
交流和直流信号都不能放大
【单选题】下列化合物与卢卡斯试剂反应最慢的是 ( )
A.
烯丙醇
B.
正丙醇
C.
异丙醇
D.
叔丁醇
【判断题】阻容耦合放大电路可以放大频率很低的信号甚至直流信号。
A.
正确
B.
错误
【多选题】导致阻容耦合放大电路低频响应差的原因是( )
A.
耦合电容
B.
三极管结电容
C.
旁路电容
D.
以上都有可能
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