一家专业的健康管理公司可以通过()方式使自己和竟争对手区别开
A.服务地点
B.价格
C.广告语
D.代言明星
E.质量
参考答案:A, B, E
— Haven't seen you for ages! Do you still work in Guangzhou?
— ______. It's two years since I worked there.[ ]
A. Yes, I have
B. Yes, I do
C. No, I haven't
D. No, I don't
三不生产原则:不安全不生产;隐患不消除不生产;安全措施不落实不生产。