单项选择题
A.rust B.dirty C.clean D.wash
The most common kinds of （）used on board ship are as fo...
单项选择题The most common kinds of （）used on board ship are as follows: primer coat, undercoat, topcoat, heat-resistant paint, varnish and anti-fouling paint.
A.cement wash B.bitumen C.paint D.varnish
Are there any （）before washing the decks?A.requireB.req...
单项选择题Are there any （）before washing the decks?
A.require B.required C.requirements D.requiring
The sailors do cleaning and repair work （）the bosun.A. ...
单项选择题The sailors do cleaning and repair work （）the bosun.
A. under the supervision of B. with the help of C. in charge of D. in the charge of
