A.0B.1C.经常变动D.固定不变完全竞争市场厂商的总收益曲线的斜率为（）。……

单项选择题投资估算和（）是财务评价的基础。

A.投资决策
B.融资方案
C.财务分析
D.风险分析

单项选择题要素价格上升引起的一个厂商总成本的上升程度取决于( )。 A．价格上升的程度和价格上升可以转嫁给消费者的程度 B．需求对产品价格上升的敏感程度 C．行业是否是竞争性的 D．价格上升的要素的使用数量和找到替代品的难易程度

单项选择题M：My tooth is aching badly，Doctor.Would you please have a look？W：Yes.Open your mouth，please.Your X-rays show a deep cavity.M：Will you have to pull the tooth？W：Not necessary.But you will need a filling.M：Will it hurt much？W：I’ll give you an injection，and then you won’t feel pain.And you should really take better care of your teeth.What’s wrong with the man？（）

A．He has been throwing up.
B．He has got a heavy toothache.
C．He seems weak.

判断题华硕（ASUS）Z97-A主板上集成声卡支持7.1或5.1声道。

未分类题听力原文：M: I'd like to get a haircut.W: How do you like your haircut?M: Cut it short in the back, and part it in the middle.W: Would you like a shampoo?M: No, thanks. But I'd like a shave.W: Ok. I understand.How does the man like his haircut?A．Cut it short in the back.B．Part it in the middle.C．Both A and B.