简答旅行社员工招聘程序。

A. reading the gage pressure
B. weighing the extinguisher
C. discharging a small amount of CO₂
D. seeing if the seal has been broke

A. 50
B. 80
C. 125
D. 105

A. 阿莫西林
B. 氯已定
C. 氟哌酸
D. 甲硝唑
E. 青霉素