单项选择题
Varnish gives a clear protection coat to （）.
A.metal B.woodwork C.deck D.cabin
单项选择题 （）are for radiators and pipes and for the ship’s funnel.
单项选择题 （）is applied to the area of the ship’s hull which is out of water when the ship is loaded.
单项选择题 Topside paint is applied to the area of the ship’s （）which is out of water when the ship is loaded.
