题目内容

Weshouldtake（）tokeepthechemicalsawayfromfire.

A. greatcare
B. somemeasures
C. freshwater
D. freshair

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使用DME弧作为起始进近航迹时，圆弧的半径不得小于（）.

A. 5海里
B. 7海里
C. 10海里

Whomaintainsthefire-fightingandlife-savingapparatus?（）

A. Thesecondofficer.
B. Thechiefofficer.
C. Thethirdofficer.
D. Bosun.

NO.2lifeboatislocatedon（）side.

A. starboard
B. both
C. each
D. port

Lifeboatlaunchingisoperated（）.

A. quarterly
B. annually
C. monthly
D. yearly