外感温燥证，治宜选用（）
A.杏苏散
B.清燥救肺汤
C.桑菊饮
D.银翘散
E.桑杏汤
参考答案：E
---How long did you spend going through the jungle during the exciting vacation?
---Going through the jungle _____us about three weeks.
A．spent
B．used
C．paid
D．took
脑栓塞最常见的病因是（）。
A.高血压
B.先天性颅内动脉瘤
C.脑动脉粥样硬化
D.休克
E.风湿性心脏病
