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【单选题】
化工生产中,为了严格控制温度,能够采取的措施是( )A.
增加换热器
B.
增加新设备
C.
正确选用传热介质
D.
减少传热
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举一反三
【单选题】We’ve had problems supplying some of our retail _________.
A.
outlets
B.
chains
C.
points
【单选题】_____ clearances in the main or crank pin bearings will sometimes be indicated by loss of pressure in the lubricating system before any bearing knock is heard.
A.
Too larger
B.
Too smaller
C.
Excess
D.
Excessive
【单选题】It usually (takes) much (less) time (to fly) from one country to another than (traveling) by train.
A.
takes
B.
less
C.
to fly
D.
traveling
【单选题】One of the disadvantages of traveling as an air courier is that he ______.
A.
cannot decide when and where to travel
B.
cannot take any luggage with him
C.
has to wear two pairs of jeans
D.
saves little money from the travel
【单选题】On a medium-speed main propulsion diesel engine, the crank-pin or crank journalbearings receive lubricating oil from( ).
A.
a spindle lubricator
B.
an oil jet
C.
internal splashing
D.
drilled passages in the crankshaft
【单选题】It usually takes much (less) time to fly from one country to (another) than (traveling) (by) train.
A.
less
B.
another
C.
traveling
D.
by
【单选题】在“中学为体,西学为用”的思想指导下,我国从清末开始试图建立现代学制,在颁布的诸多学制中,第一次颁布的现代学制是( )。
A.
壬寅学制
B.
癸卯学制
C.
壬子癸丑学制
D.
壬戌学制
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