产业政策对国内产业的扶持要遵循( )原则，否则会引起“贸易摩擦”。
A．社会主义现代化
B．平均分配
C．按劳分配
D．价值规律
参考答案：D
–I could not start my car this morning due to the cold weather.
--No wonder you were late. You ___ have used mine. I was not using all the morning.
A．should
B．must
C．could
D．might
服务人员的“三指”是什么？
