你估计此病人失血量约占全身血容量的百分之几
A．20%左右B．50%左右C．40%左右D．20%～40%左右E．＜20%
参考答案：D
成人型多囊肾一般不伴有（）
A.肝囊肿
B.颅内动脉瘤
C.脾囊肿
D.脾大及功能亢进
E.胰腺囊肿
The police were seeking more information to find out ______ the rich merchant.[ ]
A. who was it that killed
B. who it was that killed
C. it was who killed
D. who was it killed
