单项选择题

请立刻把它修理一下。（）

A. Please clean it at once.
B. Please repair it at once.
C. Please painting it at once.
D. Please adjust it at once.

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单项选择题

A. The basic types of paint used on a ship are primer, undercoat and topcoat.
B. The basic types of paint used on a ship are topside paint, undercoat and top coat.
C. The basic types of paint used on a ship are boottopping, topside and undercoat.
D. The basic types of paint used on a ship are cement wash, undercoat and topside.

单项选择题

水泥涂料用于淡水舱和双层底舱。（）

A. Primer is used for sea water tanks and double bottom tanks.
B. Cement wash is used for fresh water tanks and double bottom tanks.
C. Varnish is used for fresh water tanks and double bottom tanks.
D. Bitumen is used for fresh water tanks and double bottom tanks.