操作系统是一种()。
更新时间:2024-11-24 01:07:08 A、应用软件B
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Aworkingfireextinguisher
Theypromised____eachotherwhentheywenttowork.
Benefitssystem
Wherearethecolleaguesgoingforlunch?
AccordingtoUKofficialstatistics,everyyearabout2000livesarelostthroughoccupationaldiseaseorinjury,about20,000majorindustrialinjuriesoccur(e.g.skullfracture,lossofsight)andthereareabout200,000injuriesresultinginaworkdisabilityof3daysormore.
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