From the passage we learn that man dies in sea disasters mainly because ______. Daedalus’s survival water garment can ______.

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问题 From the passage we learn that man dies in sea disasters mainly because ______.
Daedalus’s survival water garment can ______.

选项 A、generate heat
B、generate gas and heat
C、help the wearer swim and keep warm
D、help the wearer float

答案B

解析
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