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问题 选择题

下列生活中的说法不正确的是（　　）

A．人体皮肤被蚊虫叮咬后，涂抹牙膏可以减轻痛痒

B．医疗上的生理盐水是用食盐配制的

C．所用洗发用品的碱性越强，对头发的腐蚀越严重

D．炉具清洁剂的去油污原理是清洁剂中的某些化学成分和油污发生化学反应

答案

答案：B

单项选择题

Hedge funds are generally not required to publicly disclose their performance, however, some managers choose to make performance information available to the public. This information is then included in hedge fund indexes and some conclusions about the performance of hedge funds can be drawn. Which of the following statements regarding hedge fund performance is least accurate()

A. In recent years, the Sharpe ratio for hedge funds has been comparable to that of fixed income investments.

B. The reported volatility of hedge fund returns may be higher than the actual volatility of returns.

C. When measured by standard deviation, hedge funds are less risky than traditional equity investments.
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单项选择题

声带小结所致的声撕的特点为（）。

A.进行性加重声带

B.波动性声撕

C.持续性声撕

D.突然性声撕

E.喉痛
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