单项选择题

A.apply straw or sawdust on the oilB.contain the spread……

After making the required notification that a large oil spill into the water has occurred，the FIRST action should be to（）.

A.apply straw or sawdust on the oil
B.contain the spread of the oil
C.throw grains of sand into the oil
D.have the vessel move out of the spill area

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单项选择题According to the Chemical Data Guide，which reactive group(s) is are not compatible with the products polybutene and o-xylene? （）

A.Nitric acid
B.Amides
C.Alcohols，glycols
D.Phenols，cresols

单项选择题According to the Chemical Data Guide，1，3 - pentadiene possesses which characteristic? （）

A.Colorless liquid，mild aromatic odor
B.Pale yellow liquid，strong odor
C.Colorless liquid，faint odor
D.Straw-colored liquid，sweet-odor

单项选择题According to regulations，access to a cargo pumproom in a tank vessel carrying grades C or D liquid cargo shall be（）.

A.from areas equipped with power ventilation
B.only from enclosed areas free from sources of vapor ignition
C.from the open deck
D.from within the vessel

单项选择题Access to a cargo pumproom on a tank vessel carrying grades A，B，C or D liquid cargoes shall be（）.

A.at least 13.1 feet away from the galleys，living quarters or navigation spaces
B.from the open deck
C.only from areas equipped with power ventilation systems
D.isolated from any part of the vessel which normally contains sources of vapor ignition

单项选择题A synonym for chloroform is（）.

A.trichloromethane
B.sulfuric chlorohydrin
C.chlorine gas
D.4-methyl phenol