A.Please pay by the taximeter B.Can I help you? C.Here we are.
A.按压时双肘须伸直,垂直向下按压。 B.按压时间与放松时间各占50%左右。 C.先开放气道,再进行胸外心脏按压。
A.It’s my pleasure to serve for you. B.Welcome to Chongqing! C.Where are you going?
A.1 B.2 C.3