单项选择题
A.Varnish B.White gloss paint C.Paint D.Bitumen
Bridge decks, cabin doors and hand rails are usually co...
单项选择题Bridge decks, cabin doors and hand rails are usually coated with（）.
A. cement wash B. white gloss paint C. bitumen D. varnish
A （）can give power to hoist or lower the cargo.A. crane...
单项选择题A （）can give power to hoist or lower the cargo.
A. crane B. life winch C. derrick D. cargo winch
Excuse me, may I （）your file?A.doB.getC.lendD.borrow
单项选择题Excuse me, may I （）your file?
A.do B.get C.lend D.borrow
