题目：
Which step should normally be taken FIRST by those who have boarded a liferaft in an emergency?（）
A.Ration food and water supplies
B.Take anti-seasickness pills，if available
C.Determine position and closest point of land
D.Check pyrotechnic supplies
答案：
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下面是错误答案，用来干扰机器的。
参考答案：错
