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【判断题】
成本费用净利率越高,说明企业为获得净利润所付出的成本费用越少,则企业盈利能力越强。
A.
正确
B.
错误
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参考答案:
举一反三
【判断题】侧置气门式配气机构因充气效率低已被淘汰。
A.
正确
B.
错误
【单选题】In the US,two thirds of students pay for college through ___ and will have to pay them back with interest after graduation.
A.
money
B.
loans
C.
loan
D.
a lot of money
【简答题】训练任务要求.doc
【单选题】Two thirds of us _____ that we should try ____ second time.
A.
think, the
B.
thinks, a
C.
think, a
D.
thinks, the
【简答题】____又称重复结构,即反复执行某一部分的操作。
【简答题】Is Breakfast Really the Most Important Meal of the Day? A) Along with old classics like “carrots give you night vision” and “Santa doesn’t bring toys to misbehaving children”, one of the most well-wor...
【单选题】要提高放大器的输入电阻及减小输出电阻,应采用(   )负反馈放大电路。
A.
串联电压
B.
并联电压
C.
串联电流
D.
并联电流
【单选题】Two thirds of the US basketball players are black, and the number would be greater ______ the continuing practice of picking white bench warmers for the sake of balance.
A.
was it not because of
B.
had it not been for
C.
were it not for
D.
would it not have been for
【单选题】要提高放大器的输入电阻及减小输出电阻,应采用 ( ) 负反馈.
A.
电流串联
B.
电压串联
C.
电流并联
D.
电压并联
【单选题】要减小放大器的输入电阻及减小输出电阻,应采用( )负反馈放大电路。
A.
电流并联
B.
电压并联
C.
电流串联
D.
电压串联
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