皮皮学，免费搜题
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搜题
【单选题】
对疑有颈部损伤者开放气道常用的方法A.
仰头抬颈法
B.
仰面举颏法
C.
前托下颌法
D.
观察皮肤的颜色有无改变
E.
看瞳孔有无改变
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反馈参考答案：
举一反三
【单选题】Which of the following is NOT true for the writer of a put option?
A.
The maximum loss is limited to the strike price of the underlying asset less the premium.
B.
The gain or loss is equal to but of the opposite sign of the buyer of a put option.
C.
The maximum gain is the amount of the premium.
D.
All of the above are true.
【单选题】A put option allows the holder to ( ).
A.
buy the underlying asset at the strike price on or before the expiration date.
B.
sell the underlying asset at the strike price on or before the expiration date.
C.
sell the option in the open market prior to expiration.
D.
sell the underlying asset at the strike price on or before the expiration date and sell the option in the open market prior to expiration.
E.
buy the underlying asset at the strike price on or before the expiration date and sell the option in the open market prior to expiration.
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