A. primer boatB. protective coatC. top coatD. under coa……

单项选择题The purpose of lookout is to prove the （）(安全) of a ship.

A.stern
B.safety
C.saw
D.spanner

单项选择题Where is the （）(撬棍)？

A.hacksaw
B.needle
C.crowbar
D.hammer

单项选择题please use the （）(拖把) to clean the floor.

A.brown
B.broom
C.brush
D.mop

单项选择题The thinner can （）(稀释) the paint.

A. thin down
B. put down
C. sit down
D. look down

单项选择题The varnish is used to paint the （）(木制品) and deck rail.

A. woodwork
B. teamwork
C. cargo work
D. steel work