题目内容

通过对证券市场效率水平的研究,投资者和股份公司财务管理人员可以得到一些有益的启示,以下说法错误的是()

A. 不论证券价格过去是如何变化的,都不会对当前的市场价格产生影响
B. 证券的市场价格反映了所有关于该证券的信息
C. 在有效市场中,投资者不能在某次投资活动中获取超常利润
D. 在有效市场上投资者关注的是证券的实际价值

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环路中安装C02吸收装置,部分呼出气重复吸人属于E.

解放思想、实事求是是思想路线,是建设有中国特色社会主义的首要问题。 ()

A. 正确
B. 错误

听力原文:W: I read the instructions, but I'm still not sfire how to use my cell phone.
M: Actually, it's pretty easy. First of all, don't forget to turn it on.
W: Got it!
M: Then dial the number. And remember to press the "send" button.
W: That's all?
M: Pretty much. Just make sure to recharge the batteries every few weeks. And try not to drop it. It's fragile.
W: Good advice.
M: And one more thing: Be sure to pay the phone bill every month!
What is the conversation mainly about?

A. How to read the instructions.
B. How to use the cell phone.
C. How to pay the phone hill.

首选治疗应是

A. 应用地高辛
B. 地高辛+利尿剂
C. 地高辛+青霉素
D. 青霉素静滴
E. 手术根治

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