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问题 选择题

The fact is that writing can bring me absolute________,and I always feel the urge to write good reference books for students.[ ]

A. occasion  

B. performance

C. appreciation  

D. enjoyment

答案

答案：D

多项选择题

可作为主诉的是（）。

A.心慌、气短2年

B.咳嗽、咳痰1个月，加重伴发热1天

C.患心脏病1年，再发2个月

D.患白血病3年，经检验复发10天

E.畏寒，发热，腹痛，呕吐，食欲不振，头昏，乏力5天
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单项选择题

Which of the following limits the ability of arbitrage to correct anomalies（）

A. Arbitrage is a relatively riskless activity, which has led to consistently reduced profits for many arbitrageurs, thereby reducing their interest in correcting market anomalies. 

B. There is no guarantee that even correctly identified relative mispricing of similar stocks will be corrected in the near term.

C. Arbitrageurs are sophisticated traders but their short supply precludes the correction of market anomalies.
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