题目内容
You have to wear a helmet and a life jacket for protection, just ___ you fall into the water.
A. in case B. unless
C. though D. as
A
【解析】
试题分析:句意是:你不得不戴头盔穿安全服,以防万一你落在水里面。in case 以防万一; unless 除非; though 尽管;as由于,故选A
考点:考查状语从句。
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