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问题 单项选择题

穿（）西装，不管在什么场合，要将扣子全部扣上，否则会被认为轻浮不稳重。

A.两粒扣

B.三粒扣

C.单排扣

D.双排扣

答案

参考答案：D

单项选择题

男性，60岁，头痛伴喷射性呕吐1小时，曾有高血压史多年。体检：BP180/120mmHg，两侧瞳孔等大等圆，颈软，左上下肢肌力1级，布氏征、克氏征均(-)。最可能的诊断是

A．高血压病
B．脑卒中早期
C．化脓性脑膜炎
D．蛛网膜下腔出血
E．病毒性脑炎
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单项选择题

In October, James Knight owned stock in Valerio, Inc. , that was valued at $45 per share. At that time, Knight sold a call option on Valerio with an exercise price of $60 for $1.45. In December, at expiration, the stock is trading at $32. What is Knight’s profit (or loss) from his covered call strategy Knight:

A．

A. gained $11.55.

B．

B. lost $13.00.

C．

C. lost $11.55.
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