单项选择题
Upon release to the atmosphere，LFG readily（）.
A.vaporizes
B.attacks caustically
C.rises
D.attacks corrosively
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相关考题
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单项选择题
To determine the pressure and temperature limitations under which LFG is required to be transported on a barge，you should look at the（）.
A.Certificate of Inspection
B.loading order
C.rules and regulations for tankers
D.tankerman's document -
单项选择题
The weight of liquefied petroleum gas vapors as compared to air is（）.
A.variable
B.the same
C.lighter
D.heavier -
单项选择题
The vapor pressure of a substance（）.
A.decreases as temperature increases
B.increases with the temperature
C.is not affected by temperature
D.may increase or decrease as the temperature rises
