女士在营业厅内须佩戴工号牌，别针式工号牌要端正地别在左胸前，挂牌式工号牌要正面朝外。（）
参考答案：对
He had to so that others could hear him be cause it was too noisy in the room. [ ]
A .sing
B. cry
C. shout
D. laugh
简述热熔法制备栓剂的工艺流程。
