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【简答题】
电 路如 图 所示,晶体管的 β =80 , 。分别计算 和 时的 Q 点
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参考答案:
举一反三
【单选题】W:Excuse me, do you know where Mr. Jackson's office? M:I’m sorry, but the guard over there must know. How can the woman find Mr. Jackson’s office?
A.
Ask the police man for help
B.
Make a call to Mr. Jackson
C.
Follow the man
D.
Ask of the guard over there.
【单选题】Why does Ms. Smith invite Mr. Jackson to her company in the future?
A.
Because Ms. Smith wants Mr. Jackson to see the factory.
B.
Because Ms. Smith wants to sign a contract with Mr. Jackson.
C.
Because Ms. Smith wants to return the hospitality she received from Mr. Jackson.
D.
Because Ms. Smith wants Mr. Jackson to establish a cooperation with her company in the future.
【判断题】测定结果的精密度很高,说明系统误差小。
A.
正确
B.
错误
【单选题】Would it be possible to bring the day of your meeting with Mr. Jackson forward by a day or so?
A.
Can you make the meeting with Mr. Jackson any shorter?
B.
Can you start the meeting with Mr. Jackson any earlier?
C.
Can you have the meeting with Mr. Jackson any sooner?
【简答题】After Jackson (wait) ______ for an hour, he reached the conclusion that Mr. Smith was not coming.
【单选题】测定结果的精密度很高,说明(    )。
A.
系统误差小    
B.
系统误差大    
C.
偶然误差小    
D.
偶然误差大
【单选题】It is firmly expected that Mr. Burns will be nominated as the president of Jackson College for another four-year______.
A.
term
B.
termination
C.
terminology
D.
termed
【多选题】单层铝板应符合下列哪些现行国家标准的规定()。
A.
《铝及铝合金轧制板材》(GB/T3880)
B.
《变形铝及铝合金牌号表示方法》(GB/T16474)
C.
《变形铝及铝合金状态代号》(GB/T16475)
D.
《金属与石材幕墙工程技术规范》(JGJ133~2001)
【单选题】测定结果的精密度很高,说明(    )。
A.
系统误差大
B.
系统误差小
C.
偶然误差大    
D.
偶然误差小
【简答题】______(fortune), a friend of Mr. Jackson died from a traffic accident yesterday.
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