问题
单项选择题
An immersion suit must be equipped with a(n)（）.
A.air bottle for breathing
B.whistle and light
C.whistle，light，and reflective tape
D.whistle，light，and sea dye marker
答案
参考答案：C
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An immersion suit must be equipped with a(n)（）.
A.air bottle for breathing
B.whistle and light
C.whistle，light，and reflective tape
D.whistle，light，and sea dye marker
参考答案：C