相关考题
-
单项选择题
（）is used in bilges and peak tanks.
A.Bitumen
B.Cement wash
C.Paint
D.Varnish -
单项选择题
Why are （）easy to be rusted?
A.ropes
B.gloves
C.ships
D.drafts -
单项选择题
Everything on the bridge should be kept （）.
A.dirty
B.bad
C.clean
D.disorder
