某客户想要降低卖出看涨期权头寸风险,以下做法正确的是()。
A.买入看涨期权
B.买入看跌期权
C.买入标的物动态对冲
D.卖出标的物动态对冲
参考答案:A, C
– My friend Jack said something bad behind my back, and I feel a bit sad.
-- Well, don’t take it seriously; you know, there is a saying that goes “__________”.
A.A good tongue is a good weapon.
B.A friend without faults will never be found.
C.A friend is never known till a man has need.
D.A good book is a light to the soul.
男性,70岁,半月来肛门周围有脓性分泌物,伴肛周瘙痒,诊断为肛瘘。为该患者作直肠肛管检查时最合适的体位是()
A.蹲位
B.左侧卧位
C.右侧卧位
D.膝胸位
E.截石位