The first coat to a bare metal surface...

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

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

1.单项选择题The nut is loose. Lend me a （）(螺丝刀) , please.

A.scraper
B.cargo runner
C.hammer
D.screwdriver

2.单项选择题Pull out the （）(钉子) with a claw hammer.

A.nails
B.nuts
C.spanners
D.saws

3.单项选择题Please lend me two （）(羊角锤).

A. claw hammers
B. electric pressures
C. screw drivers
D. chipping hammers

4.单项选择题There are some （）(钳子) in my toolbox.

A.pliers
B.saws
C.spanners
D.tools

5.单项选择题The （）(右尾舷) is the starboard stern.

A. port quarter
B. quarter
C. starboard quarter
D. freeboard

6.单项选择题The （）(左尾舷) is the port stern.

A. port quarter
B. quarter
C. starboard quarter
D. freeboard

7.单项选择题The （）(尾舷) is the part of the stern.

A. port quarter
B. quarter
C. starboard quarter
D. freeboard

8.单项选择题The （）(螺旋桨) has four blades.

A.propeller
B.steer
C.windlass
D.helm

9.单项选择题（）(舷墙排水孔) permits the escape of water.

A. A wash port
B. A bulwark port
C. A+B
D. Bulkhead

10.单项选择题The （）(排水孔) is a deck drain.

A.jackstaff
B.bilge bracket
C.scupper
D.ensign