柴油车排放的废气中对环境造成的最大污染是铅化合物。
参考答案:错
A vessel in ocean service that does not have an approved means of processing oily bilge slops or oily ballast must have().
A.a fixed piping system for ballast discharge to a reception facility
B.a discharge outlet for the ballast system on each side of the weather deck
C.one portable adapter for a shore connection to the ballast line
D.All of the above
下列言论出现的先后顺序是()
①“保天下者,匹夫之贱,与有责焉”
②“人固有一死,或重于泰山,或轻于鸿毛”
③“己所不欲,勿施于人”
④“先天下之忧而忧,后天下之乐而乐”
A.①②③④
B.③②④①
C.②①③④
D.①②④③