搜题请搜索小程序“爱下问搜题”
问题 多项选择题

下列关子套期保值的说法，正确的有( )。

A．套期保值需要在期货和现货两个市场进行方向相反的交易

B．套期保值一定是用期货市场的盈利来弥补现货市场的亏损

C．套期保值在期货市场和现货市场之间建立起一种盈亏冲抵的机制

D．套期保值可以锁定成本、稳定收益

答案

参考答案：A,C,D

单项选择题

The nurse notices that a depressed client taking amitriptyline (Elavil) for 2 weeks has become very outgoing, cheerful, and talkative. The nurse would suspect which of the following

A．The client is responding to the antipsychotic.

B．The client may be experiencing increased energy and is at an increased risk for suicide.

C．The client is ready to be discharged from treatment.

D．The client is experiencing a split personality.
查看答案
单项选择题

走线架（槽道）可采用（）材料组装而成，实际工程中，应按照安全、实用、美观的原则选择其规格和组装方式，其组件应具有足够的强度，主要组件应便于支撑或吊挂。

A.钢制或铝合金

B.铜材

C.塑钢

D.塑料
查看答案