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Today, when scientists examine mummies, they wear special clothing for protection they breathe in ha

编辑:chaxungu时间:2026-04-27 02:57:45分类:高中英语题库

【题目】Today, when scientists examine mummies, they wear special clothing for protection _____ they breathe in harmful gas.

A. even though B. in case C. until D. unless

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【答案】B

【解析】

试题分析:考查连词。A. even though即使;B. in case以防;C. until 直到;D. unless除非;句意:今天,当科学家检查木乃伊时,他们会穿着特殊的衣服来进行保护为的是以免呼吸到有毒的气体。根据语境可知选B项。

考点 : 考查连词