题目内容

Inflate the life vest ______________.

A. in the cabin
B. on the seat
C. in the aisle
D. outside the cabin

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A. under the seat
B. in the seat pocket in front you
C. in the lavatory
D. in the overhead compartment

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

A. 防风面纱
B. 防毒面具
C. 防烟面罩
D. 防尘口罩

A. 讲座和预报
B. 国际电台广播
C. 当众发表演说
D. 内话和广播