龛影可见于哪些病变（）
A.贲门失弛缓征
B.胃溃疡
C.十二指肠憩室
D.肠结核
E.食管静脉曲张
参考答案：B, D
腰部冷痛沉重，阴雨天加重的临床意义是（）。
A.肾虚
B.寒湿
C.瘀血阻络
D.结石阻滞
E.带脉损伤
The old man wondered __________. [ ]
A. which gate he can go through
B. where could he get a ticket
C. when the train would arrive
D. who was he talking to
