某交易者在纽约证券交易所拥有10000手某种股票的同时，为防止股_爱下问搜题

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问题单项选择题

某交易者在纽约证券交易所拥有10000手某种股票的同时，为防止股票价格下跌的风险，他在期货市场上做空相关股票指数期货，此类交易者可称为（）。

A.投机者

B.套利者

C.套期保值者

D.跨商品套利者

答案

参考答案：C

阅读理解

任务型阅读。从方框中选择恰当的句子补全短文。

     Did you sleep all day on March 21?   1     This is the day of the year when
people around the world care about their sleep and ask themselves a lot of
questions about sleep.
     Why do we need sleep?    2   However, tests have shown that a lack(缺乏)
of sleep for over four weeks may cause a strong drop of body temperature,
great weight loss, and finally sickness.
        3  Eight hours a night is the average amount of sleep people need. Primary
schoolstudents need to sleep for about ten hours. Junior high school students
should sleep for about ninehours and senior high school students should sleep
for about eight hours.
        4    Thomas Edison said that sleep was a waste of time.  He didn't sleep
during the night.  But he took naps (小睡;打盹)  during the day.  On the other
hand,    5

A. Nobody can answer this question well.
B. Different people need different amounts of sleep.
C. Albert Einstein said he needed to sleep for at least ten hours a night.
D. There are so many people that do not care about their sleep.
E. You should have done so because it was World Sleeping Day.

填空题

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