Fasten the seat belt while the Fasten Seat Belt Sign is on.
A.正确B.错误正确答案：正确
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Fasten the seat belt while the Fasten Seat Belt Sign is on.（）
Fasten the seat belt while the Fasten Seat Belt Sign is on.（） A.正确B.错误正确答案：正确
For flight safety, do not open the luggage compartment during turbulence.（）
For flight safety, do not open the luggage compartment during turbulence.（） A.正确B.错误正确答案：正确
The passenger could put the baggage under the seat.（）
The passenger could put the baggage under the seat.（） A.正确B.错误正确答案：正确
Smoking is permitted in the lavatory.（）
Smoking is permitted in the lavatory.（） A.正确B.错误正确答案：错误
What if the passengers feel earache?（）
What if the passengers feel earache?（） A.Tell the passenger it is very common during the flight.B.Advise the passenger to chew gums or swallow.C.Let the passenger know that it will be better soon.D.Ask the passenger to walk around.正确答案：Tell the passenger it is very common during … 阅读详情>> "What if the passengers feel earache?（）"
