多项选择题

主船体两舷舷侧及首尾一般有（）标志。I.船名及船籍港标志;II.载重线标志;III.球鼻首与首侧推器标志;IV.分舱与顶推位置标志;V.引水梯位置标志;VI.公司名称标志

A.I．II．III
B.I．II．III．IV
C.I．II．III．IV．V
D.I．II．III．IV．V．VI

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单项选择题

船舶的主竖区必须是:1、上层建筑和甲板室;2、船体结构中竖直的区段; 3、以“甲级分隔”分成的区段

A.①、②
B.①、③
C.②、③
D.①、②、③

I promise you are going to enjoy your stay here in our city. Thi

I promise you are going to enjoy your stay here in our city. This is a beautiful, quiet city where you can 11 ,sit by the beach, enjoy great meals and feel safe. You can walk into town and enjoy the fountains or 12 along the waterside. Please do not swim here. This is not a safe place to swim for its 13 under currents. Sanya is the place to go if you want to enjoy swimming 14 . You can take a short 15 from your hotel.

答案： ["relax","take a walk","strong","in the ocean","bus ride"]