伤寒宜选（）
A.四环素
B.多西环素
C.氯霉素
D.氨苄西林
E.白霉素
参考答案：C
in faraway northwest, this place has its beautiful fresh air．
A．Being located
B．Located
C．locating
D．To be located
降糖药中，普通胰岛素发挥降糖作用需
A．口服给药B．注射给药C．吸入给药D．喷鼻给药E．塞肛给药
