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英语翻译1,When the work is well done ,a ( ) of accident free ope

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英语翻译
1,When the work is well done ,a ( ) of accident free operations is established where time lost due to injures is kept at a minimum.
a,regulation b,climate c,circumstance d,requirement
2,Industrial safety does not just happen.Companies with low accident rates plan their safety programs,work hard to organize them,and continue working to keep them ( ) and active.
a,alive b,vivid c,mobile d,diverse
英语翻译1,When the work is well done ,a ( ) of accident free ope
我只会第二个
2.产业的安全不是无缘无故就有的.事故发生率低的公司会计划好他们的安全工程,努力把它组织好,并保持该工程持续存在和处于进行中.
应该选a吧