正确答案: B

橙黄色

题目：救生筏的蓬帐外表是何种颜色?

解析：B

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举一反三的答案和解析：

[单选题]If a diesel engine turned over freely but failed to start, the cause could be ________.

water in the fuel

[单选题]铝活塞外圆表面过度磨损后，应采用_______修复

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