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【简答题】
如图所示的射极输出器电路中,已知RS=50Ω,RB1=100kΩ,RB2=30kΩ,RE=1kΩ,β=50,rbe=1kΩ 求(1)微变等效电路;(2)电压放大倍数、输入电阻、输出电阻
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举一反三
【单选题】The term planning implies all of the following EXCEPT______.
A.
Defining an organization's goals and objectives
B.
Establishing an overall strategy for goal achievement
C.
Providing directions for ethical behaviors
D.
Developing a series of plans to coordinate activities
【单选题】Another term for equilibrium price is
A.
dynamic price.
B.
market-clearing price.
C.
quantity-defining price.
D.
balance price.
【单选题】C1. Which is an important job responsibility for a middle manager?
A.
performing tasks that are not related to long-term goals
B.
helping top managers define goals
C.
translating goals defined by top managers into action
D.
defining the organization's long-term goals
【单选题】Which is an important job responsibility for a middle manager?
A.
Defining the organization's long-term goals
B.
Translating goals defined by top managers into action
C.
Helping top managers define goals
D.
Performing tasks that are not related to long-term goals
【单选题】Perhaps the most important defining characteristic of a human being is culture. The term culture as used here is not limited to operas, paintings, and other artistic endeavors. These are seen by anthr...
A.
The capacity for learning can only be observed in human beings.
B.
Biology plays an important role in humans’ living in a social and physical setting.
C.
Human behavior and thought do not have anything to do with culture.
D.
If there were no language communication, humans couldn’t have created the present culture.
【单选题】Which is an important job responsibility for a middle manager?
A.
performing tasks that are not related to long - term goals
B.
helping top managers define goals
C.
translating goals defined by top managers into action
D.
defining the organization’s long - term goals
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