不属于急腹痛的妇科病症为
A．不全流产
B．卵巢肿瘤蒂扭转
C．子宫内膜炎
D．宫外孕
E．子宫内膜异位症囊肿破裂
参考答案：C
He appears ______ a long time. He is impatient for my arrival.
A．to wait
B．to be waiting
C．to have waited
D．to have been waiting
特雷诺指数可以衡量基金经理的风险分散程度。（）
