A. 正确 B. 错误
A. 第二代头孢--头孢呋辛酯 B. 氟哌酸 C. SMZco D. 氯霉素 E. 红霉素
A. when B. while C. in order D. and
A. our diet would be healthier B. we would be as healthy as people in other countries C. our diet would be more interesting D. we would only eat whole-meal bread and vegetables
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