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单项选择题

A.AmyleneB.Diisobutyl PhthalateC.Oleic acidD.Vinyl acet……

The Certificate of Inspection for your tanker authorizes the carriage of grade A and lower products. Which chemical may NOT be carried unless it is specifically endorsed on the Certificate of Inspection? ()

A.Amylene
B.Diisobutyl Phthalate
C.Oleic acid
D.Vinyl acetate