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【单选题】
在分压式工作点稳定共射放大电路中,当【图片】时,【图片】,【图片】。若只更换【图片】的晶体管,而其他参数不变,则【图片】和【图片】分别为 。
A.
10μA , 1mA
B.
20μA , 2mA
C.
30μA , 3mA
D.
40μA , 4mA
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【单选题】Henry Ford's famous statement that 'any customer can have a car painted any colour he wants, so long as it is black' reflected a ______ orientation.
A.
market
B.
production
C.
consumer
D.
sales
【判断题】因为四种主要促销方式各有优缺点,故企业往往综合利用四种促销方式来实现其促销目标。
A.
正确
B.
错误
【单选题】Henry Ford, the famous U.S. inventor and car manufacturer, once said, 'The business of America is business.' By this he meant that the U.S. way of life is based on the values of the business world. Fe...
A.
which encourages free trade at home and abroad
B.
where people's chief concern is how to make money
C.
where all businesses are managed scientifically
D.
which normally works according to the federal budget
【单选题】承包人在隐蔽或中间验收前( )小时以书面形式通知工程师验收。
A.
12
B.
24
C.
48
D.
72
【简答题】各种促销方式优缺点
【判断题】工程具备隐蔽条件或达到专用条款约定的中间验收部位,承包人进行自检,并在隐蔽或中间验收前48小时以书面形式通知工程师验收。通知包括隐蔽和中间验收的内容、验收时间和地点。
A.
正确
B.
错误
【单选题】大偏心受拉构件的破坏特征与( )构件类似。
A.
受剪
B.
小偏心受拉
C.
大偏心受压
D.
轴心受拉
【单选题】承包人进行在隐蔽或中间验收前( )小时以书面形式通知工程师验收。
A.
48
B.
24
C.
12
D.
42
【单选题】Henry Ford was the first one to build cars which were fast, reliable(可靠的)and cheap. He was able to sell millions of them because he 'mass-produced' them, that is, he made a great many cars of exactly ...
A.
how Henry Ford started his motor company
B.
Henry Ford was a famous car producer
C.
mass-production was introduced to the car-production industry by Henry Ford
D.
Henry Ford was the first industrialist to build cars
【判断题】Henry Ford's famous statement that 'any customer can have a car painted any colour he wants, so long as it is black' reflected a market orientation.
A.
正确
B.
错误
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