单项选择题
The stainless steel bars are painted by（）.
A.lot B.lots C.a lot D.the lots
单项选择题 The stevedores didn’t listen（）me.
单项选择题 The system of derricks and winches has been largely replaced on newer ships by cranes（）it is very efficient.
单项选择题 The term loading and unloading cargo means（）.
