单选题（）应了解操作性或事故性的海洋环境污染的严重后果，并应采取一切可能的预防措施防止这类污染，特别是有关国际规则和港口规章规定范围内的污染。 ①船长； ②高级船员； ③普通船员A①②B②③C①③D①②③
单选题
（）应了解操作性或事故性的海洋环境污染的严重后果，并应采取一切可能的预防措施防止这类污染，特别是有关国际规则和港口规章规定范围内的污染。 ①船长； ②高级船员； ③普通船员
A
①②
B
②③
C
①③
D
①②③
参考解析
解析：
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