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单选题
758、快速拉动氧气面罩,开始供氧
A
Suddenly start the oxygen supply system, the make drops.
B
Quickly turn on the oxygen system, the mask begins to supply oxygen.
C
Pull the oxygen mask with a sudden movement to start-the flow of oxygen.
答案解析
正确答案：C
解析：
解析:注释: Suddenly.突然 i s 忽然的; quickly 迅速的。turn-on 打开;pull 拉动。
相关知识点：
快速拉氧气面罩供氧气
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