食管最狭窄的部位是
A．食管入口
B．主动脉弓压迫食管处
C．左主支气管压迫食管处
D．横膈处狭窄
E．以上均有可能
参考答案：A
郄门是（）
A.心包经的郄穴
B.心包经的经穴
C.心经的郄穴
D.心经的经穴
E.三焦经的郄穴
-What do you think of the bottled water?
-I don't like it at all. It is reported that much nutrition, including some minerals, _____ while it is
being processed. [ ]
A. are ridded of
B. are gotten rid of
C. gets rid of
D. is ridded of
