[单选] A liferaft which has inflated bottom-up on the water（）.

A . should be righted by standing on the carbon dioxide cylinder，holding the righting straps and leaning backwards
B . should be righted by standing on the life line，holding the righting straps leaning backwards
C . will right itself when the canopy tube inflates
D . must be cleared of the buoyant equipment before it will right itself

在GSM移动通信系统中，系统消息的发送方式有两种，分别为（）、（）。 A light signal consisting of three flashes means （）. I am in doubt as to your actions。 My engines are full speed astern。 I desire to overtake you。 I am operating astern propulsio。 MO表示（），MT表示（）。简述怎样防止难推焦现象出现？ The oil was pumped up in the settle tank such a height that it （）. spilled。 overflowed。 sprayed。 injected。 A liferaft which has inflated bottom-up on the water（）.

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[单选] A liferaft which has inflated bottom-up on the water（）.

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