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【单选题】
关于流体智力和晶体智力的说法中,正确的是( )A.
流体智力需要较少的专业知识
B.
流体智力在人们整个一生中都在增长
C.
晶体智力是在学习、生活和劳动中形成的能力
D.
词汇、审美问题等属于晶体智力
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反馈参考答案：
举一反三
【简答题】销售收益率(return 0n sales)
【单选题】An improvement in eithercapital turnover or return on sales, without changing the other, will alsoimprove the:
A.
level of sales
B.
cost of capital
C.
net book value
D.
rate of return on invested capital
【单选题】In a closed cooling water system, which of the problems can cause the water pressure to fluctuate?
A.
An open vent in the cooling system
B.
A fouled sea chest
C.
A restricted water passage in the engine
D.
Air entrained in the cooling water
【单选题】The highest pressure in any closed diesel engine freshwater cooling system is at the _____.
A.
jacket water outlet
B.
expansion tank inlet
C.
heat exchanger inlet
D.
cooling water pump outlet
【判断题】Returns can only be measured in accounting terms such as return on assets, return on equity, or return on sales.
A.
正确
B.
错误
【简答题】Our Sales Confirmation No．BC510 ______ two originals were airmailed to you．Please sign and return one copy of them ______ our file.
【单选题】If the coolant temperature of a closed cooling water system for a diesel enginegradually increases, the trouble usually is( ).
A.
a broken shaft on the freshwater pump
B.
an excessive accumulation of scale in the heat exchanger
C.
an incorrect thermostatic element operating range
D.
lube oil in the cooling water
【简答题】Our sales confirmation No． BC510 in two (8) were airmailed to you． Please sign and return one copy of them for our (9) ．
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