移动平均线一般包括( )几类。 A．长期 B．中长期 C．中期 D．短期

短文改错

     An American and a Frenchman decided to cross the sea between France and England  in the

balloon in 1784. High over the water, they discover a hole in the balloon. The hole became bigger

and bigger. The air keeps the balloon up were escaping quickly and the balloon was coming up.

The two men threw all their equipment into the water to make the balloon light. It started to rise

higher again. So it was still too close to the water. Finally, the men threw away most of his clothes

to save themselves. The crowd waiting for to greet them in England was very surprised see this when

the balloon landed on front of them.

对首次公开发行上市的股票(上海证券交易所还包括封闭式基金)、增发上市的股票、暂停上市后恢复上市的股票等在首个交易日不实行价格涨跌幅限制的证券，不纳入异常波动指标的计算。( )

当供应商参与新产品、部件、零件或系统的设计、研发以及制造时，这被称为（）

A.预先供应来源

B.企业业务内部承包

C.企业业务外部承包

D.业务功能由内部和外部共同承包

保税区与区外之间的货物交易，以（）计价结算。

A、美元

B、人民币

C、外币

D、人民币或外币

机械化抢险应遵循原则包括挖装运机械配套选择、合理布置工作场面等。