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【单选题】
电阻元件的伏安特性曲线反映了电阻元件的导电特性。A、B两个导体的伏安特性曲线如下图所示,其中图线A与横轴成 角。关于这两个导体的伏安特性曲线的下列说法不正确的是( )。A.
导体A为线性元件,且
B.
导体B是非线性元件,曲线上某点切线的斜率为相应状态的电阻的倒数。
C.
两条图线相交的点表示两电阻元件在此状态时的I、U、R均相等。
D.
导体B的电阻值随电压的增加而减小 。
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举一反三
【单选题】Employees like on-line conversation during the business because
A.
they will not be managed and directed by others.
B.
they call speak whatever they want.
C.
they are free to choose their own business partner.
D.
they can have a person-to-person communication.
【单选题】During the business intervals, customers appreciate the guest rooms which are full of pictures and other beautiful ______.
A.
complements
B.
illustrations
C.
ornaments
D.
implementations
【简答题】What is important during a business talk? Being mentally present and willing to think about what ______ says.
【简答题】一般而言，费用（成本）类账户结构与权益类账户相同，收入（利润）类账户结构与资产类账户相同。（ ）
【单选题】Many people lost their jobs during the business______.
A.
desperation
B.
decrease
C.
despair
D.
depression
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