单项选择题

A ship’s bottom is given a coating of （）which contains poison.

A. varnish
B. anti-fouling paint
C. boottopping paint
D. primer

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单项选择题

A. with red lead paint
B. in red and white paint
C. in original color
D. all of the above

单项选择题

A.metal
B.woodwork
C.deck
D.cabin

单项选择题

A. Varnishes
B. Anti-corrosive paints
C. Heat-resistant paints
D. Primer