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【多选题】
中国从新民主主义向社会主义过渡的条件主要是A.
中国国民经济恢复及现代工业初步发展
B.
有利的国际因素
C.
社会主义国营经济的壮大和无产阶级政党的领导
D.
人民民主专政的国家政权
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反馈参考答案：
举一反三
【单选题】During fueling operations, which of the listed precautions should be taken when topping off fuel tanks?
A.
Reduce the pumping rate by closing the deck filling valve
B.
Close all overflow valves
C.
Place 5 gallon containers under all flange connections in the fuel line
D.
Reduce the pumping rate and sound tanks frequently as the level rises
【单选题】Upon completion of fueling a gasoline driven vessel it is necessary to ______.
A.
keep ports，doors，windows，and hatches closed
B.
start engines immediately
C.
ventilate before starting engine
D.
None of the above
【简答题】Fueling station
【单选题】Which statement is FALSE concerning precautions during fueling operations?（）
A.
All engines，motors，fans，etc. should be shut down when fueling
B.
All windows，doors，hatches，etc. should be closed
C.
A fire extinguisher should be kept nearby
D.
Fuel tanks should be topped off with no room for expansion
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