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【单选题】
各熔化焊机间及焊机与墙面间的通道至少 ( )m 。A.
0.5
B.
1.0
C.
2.0
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举一反三
【单选题】_____ providing lubricating films, oil used in marine diesel engines have to remove heat from oil cooled piston.
A.
Except for
B.
Beside
C.
Except
D.
In addition to
【单选题】听力原文：Following last Monday's heavy storm in the Wilmington Valley, flood waters from the Wilmington River have risen over twenty feet. Thousands of families have been evacuated from the region and are...
A.
High waters.
B.
Lack of food.
C.
More homes than families.
D.
Expensive property.
【单选题】听力原文： Largely because 0f rapid growth in Asia, world oil consumption is growing faster than production. Supply short fall, combined with sharply higher oil prices, is spurring the construction of new ...
A.
the rapid growth in world oil consumption
B.
the rise of China and India
C.
the construction of new pipelines is becoming more difficult
D.
the rise of oil price
【单选题】The oil components including polar compounds formed as a result of oxidation of some oil fractions in the marine environment dissolving in seawater defines ______．
A.
Oxidation and destruction
B.
Dissolution
C.
Oxidation and destruction
D.
Sedimentation
【单选题】During inspection of oil and oily mixtures from machinery spaces, which of the following factors should be taken into account by the PSCO? .
A.
The quantity of oil residues generated
B.
The capacity of sludge and bilge water holding tank
C.
The capacity of the oily water separator
D.
All of the above
【单选题】死亡过程的3个阶段是
A.
心跳停止、呼吸停止、对光反射消失
B.
昏迷、呼吸停止、心跳停止
C.
濒死、临床死亡、生物学死亡
D.
肌力消退、肌张力减退、反射消失
E.
尸斑、尸冷、尸僵
【简答题】To make chips, you cut up potatoes, put them in oil and do this. f. ______
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