题目内容
Where is oxygen mask located?
查看答案
搜索结果不匹配？点我反馈
更多问题
Where can you find the safety instruction leaflet?
Passengers could change their seats freely.
Passengers should watch the safety demonstration and read the safety instruction leaflet carefully in order to deal with any emergency that may occur during flight.
An adult should help his child wear the oxygen mask before attending to himself.
微信支付 
支付宝支付