《动火作业证》仅针对具体的动火范围和动火对象,无有效期限要求
更新时间:2024-11-16 04:13:59 1、正确错误
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Thecountry’schiefexportsarecoal,carsandcottongoods,cars_____themostimportantofthese.
Tom____ofhiswifehowshehadmetherfriend.
Ifasubstanceisdissolvedinwaterorheated，itmay（）agas.
_____atinthisway,thepresenteconomicsituationdoesn'tseemsogloomy.
Itisimperativethatstudents_____theirtermpapersontime.
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