创伤现场急救不恰当的是（）

A.立即取出体内异物包扎伤口

B.不要急于还纳膨出的脏器

C.骨折必须先复位后固定

D.酸碱烧伤者局部冲洗时间≥10min

E.立即封闭伤口使开放式气胸变成闭合式气胸

请根据下面提示，写一篇短文。词数不少于50。

You are discussing the following picture with your classmates. Now you are telling them how you understand the picture and what makes you think so.

提示词：电动扶梯 escalator