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【单选题】
按照发生的实际情况划分,事故分为 。A.
将成事故和已成事故
B.
责任事故和非责任事故
C.
重大事故和特大事故
D.
安全事故和治安事故
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举一反三
【单选题】The ______ of seawater into drinking water is a complicated problem.
A.
conversion
B.
conjecture
C.
concession
D.
contraction
【简答题】试述母乳喂养的优点。
【简答题】试述母乳喂养的优点。
【单选题】The ballasting pump can be replaced with the main seawater pump. 02010503
A.
The main seawater pump can be replaced with the ballasting pump.
B.
The main seawater pump can replace the ballasting pump.
C.
The ballasting pump can be replaced with the fire-fighting pump.
D.
The ballasting pump can be replaced with the auxiliary seawater pump.
【单选题】___ with a gradual rise of seawater, some nations in the Pacific are considering moving in the near future. [ ]
A.
Facing
B.
To face
C.
Faced
D.
Being faced
【单选题】A flash-type evaporator discharges heated seawater into a chamber that is maintained at a pressure than the vapor pressure of the entering heated seawater, and subsequently the flashed water vapor the...
A.
lower condensing
B.
higher cooling
C.
lower cooling
D.
higher condensing
【单选题】The exposed portion of the outboard propeller shaft is protected against seawater corrosion by____
A.
A layer of oxidation formed when the metal of the shaft is exposed to seawater
B.
A covering of plastic, rubber, or shrunk-on compositon sleeve
C.
A corrosion-resistant paint
D.
A heavy lubricant
【简答题】试述母乳喂养的优点。
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