We leave for Beijing February first in the morning.[ ]
A. in
B. at
C. on
答案：C
---How long ____ you ____ in Singapore?
---For just the weekend． I’ll be back next Monday morning．
A．have; stayed
B．are; staying
C．did; stay
D．do; stay
患者男性，45岁，右侧阴囊肿大，阴囊寒冷，坠胀不适，神疲乏力，腰酸腿软，小便清长，苔白，脉沉细。现确诊为水疝。
辨证为（）
A.气滞血瘀
B.肝经湿热
C.阴虚火旺
D.肾虚寒湿
E.肾阳亏虚
