A. The basic types of paint used on a ship are primer, ……

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.

单项选择题我的工具箱里有几把钳子。（）

A. There are some saws in my toolbox.
B. There are some pairs of pliers in my toolbox.
C. There are some spanners in my toolbox.
D. There are some tools in my toolbox.

单项选择题螺旋桨有四个桨叶。 （）

A. The helm has four blades.
B. The propeller has forty blades.
C. The windlass has four blades.
D. The propeller has four blades.

单项选择题从船艏贯穿至船艉的甲板叫主甲板。（）

A. The deck from bow to stern is called the main deck.
B. The deck from stern to bow is called the tweendeck.
C. The deck from bow to stern is called the upper deck.
D. The deck from stern to bow is called the lower deck.

单项选择题底漆用于出白金属表面， 防止其生锈。（）

A. Topside paint is applied to a bare surface to give protective against rust.
B. Undercoat is applied to a bare surface to give protection against rust.
C. Primer coat is applied to a bare surface to give protection against rust.
D. Topcoat is applied to a bare surface to give protection against rust.