强直性脊柱炎常见体征不包括()
A.骶髂关节压痛
B.脊柱活动度减小
C.胸廓活动度减小
D.“4”字试验阴性
E.骨盆挤压、分离试验可出现阳性
参考答案:B
可能为黄体囊肿()
A.40岁,单侧囊性包块,直径4cm
B.28岁,双侧囊实性包块,直径8cm,活动
C.50岁,子宫直肠陷凹有不平实性结节,有腹水
D.35岁,痛经,子宫直肠陷凹有结节
E.30岁,原发不孕,低热,腹水,盗汗,消瘦
When market rates were 6 percent an analyst observed a $1000 par value callable bond selling for $ 950. At the same time the analyst also observed an identical non-callable bond selling for $ 980. What would the analyst estimate the value of the call option on the callable bond to be worth
A.
B.
C.