下列（）不属于运输船舶。
A、杂货船
B、客船
C、挖泥船
D、集装箱船舶
参考答案：C
Before Tom left home, his mother kept telling him to ________ his manners at the party.
A．mind
B．notice
C．watch
D．care
生产力的发展是阶级产生的物质前提。( )
