Everything on the bridge should be kept （）.

单项选择题The equipment is very old. It’s not worth（）.

A.to repair
B.repair
C.repaired
D.repairing

单项选择题The aft part of a vessel on the port side is called port（）.

A. port stern
B. quarter
C. aft quarter
D. starboard

单项选择题- What kind of paint for the hull? -（）.

A.OK
B.A hammer
C. Black paint
D. Thinner

单项选择题The first coat to a bare metal surface is the（）.

A.primer
B.undercoat
C.topcoat
D.thinner

单项选择题（）can thin down paint.

A. The anti-fouling paint
B. The thinner
C. The varnish
D. primer