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【单选题】
某变压器空载损耗 60 kW ，额定短路损耗 167 kW ，当效率最高时变压器的总损耗为A.
60 kW
B.
167 kW
C.
120 kW
D.
227 kW
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举一反三
【单选题】下列各项中,不属于预算作用的是( )。
A.
通过引导和控制经济活动,使企业经营达到预期目标
B.
可以作为业绩考核的标准
C.
可以显示实际与目标的差距
D.
可以实现企业内部各个部门之间的协调
【单选题】When the savers want their money back they____.
A.
ask another company to obtain their money for them
B.
look for other people to borrow money from
C.
put their shares in the company back on the market
D.
transfer their money to a more successful company
【单选题】When the savers want their money back they
A.
transfer their money to a more successful company
B.
have to borrow money from other people
C.
put their shares in the company back on the market
D.
go to the company to take it back
【单选题】下列各项中,不属于预算作用的是( )。
A.
通过规划、控制和引导经济活动,使企业经营达到预期目标
B.
是业绩考核的重要依据
C.
可以揭示实际与目标的差距
D.
可以实现企业内部各个部门之间的协调
【单选题】Money is easy when the money supply grows______.
A.
at a faster than average rate
B.
at a faster rate than the demand for money
C.
at a slower than average rate
D.
at a slower rate than the demand for money
【简答题】TCP的协议数据单元被称为 （ ）
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