下列做法不能起防锈作用的是( ) A.保留铁制品上的铁锈 B.在铁制品表面镀锌C.在金属机械上涂油 D.在车、船的表面刷油漆 答案:解析:由于生成的铁锈很疏松,不能阻碍里层的铁继续与氧气、水、蒸气等反应,相反却还能够吸收和贮存水分,会加快锈蚀速度。答案:A4.What does the man advise the woman to do?A.Sell flowers for him.B.Quit her job and work with him.C.Change her schedule at the cafeteria.