Inflate the life vest ______________.
A. in the cabin
B. on the seat
C. in the aisle
D. outside the cabin
The oxygen mask is ___________.
A. under the seat
B. in the seat pocket in front you
C. in the lavatory
D. in the overhead compartment
extended safety belt
A. 婴儿安全带
B. 加长安全带
C. 乘务员安全带
D. 导盲犬安全带
protective breathing equipment
A. 防风面纱
B. 防毒面具
C. 防烟面罩
D. 防尘口罩
微信支付 
支付宝支付