慢性菌痢患者病程反复发作或迁延不愈达几个月以上（）。
A.1
B.2
C.3
D.5
E.6
参考答案：B
The doctor is skilled at treating heart trouble and never accepts any gift from his patients, so he has a very good ________.[ ]
A. expectation
B. reputation
C. contribution
D. civilization
国际工业遗产保护委员会的英文缩写是（）。
A.UNESCO
B.OWHC
C.TICCIH
