PSC单选

A lifejacket shall be provided for every person on board the ship and, in addition a number of lifejackets suitable for children equal to at least ____% of the number of passengers on board shall be provided or such greater number as may be required to provide a lifejacket for each child.

发布于 2021-03-04 19:43:59

【单选题】
A 5
B 10
C 15
D 20

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huzi0086 2023-03-04

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这家伙很懒，什么也没写！

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