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问题描述：

[单选] 责任或是责任班组（）对线路、主机外部、机箱内部进行卫生清理1次，阳极设备管理员每月28日检查。．
A．每天 B．每月 C．每年 D．每小时
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上一篇：发现摄像机异常（）向相关阳极车间设备管理员汇报。． 下一篇：责任人或是责任班组（）需对摄像机镜头进行卫生清理1次，阳极设备管理员每周四检查。．

随机题目

指导和管理人民调解委员会的日常工作，由（）负责？
您知道律师的业务范围吗？
向县级人民政府提出行政复议申请的，由（）具体办理行政复议事项？
A Wang Xiaojun， a 12-year-old boy， lives in the countryside in Hubei Province． Today is his birthday． His parents have prepared a nice dinner for him， but the boy says， “I won"t have dinner because today is over after dinner and my parents are leaving for Shenzhen tomorrow． I don"t want to let them go． ” It is the first birthday that Wang Xiaojun has spent with his parents in three years． In the past three years， his parents have worked hard in Shenzhen to make money． They haven"t seen their son for three years． Tomorrow they will have to leave for Shenzhen again． Wang is not the only left-behind child（留守儿童）．In the countryside of China， there are more than 20 million children staying at home without their parents． Left-behind children face a lot of problems． Most of them stay with their grandparents． They get less care from their parents． They often feel lonely． Some of them don"t study well because their parents can"t help them with their lessons． The Chinese government cares about the left-behind children very much and is trying to solve their problems now．1． Why do the parents prepare a nice dinner for their son？
B Work is very important to Americans， and most of them （）their work． Americans put their work first in life． They can learn （）a person is great by talking about his job． So it"s （）to hear people ask each other what they“do” for a living． Today， Americans love to work and always want to get more （）their work． Most Americans want their jobs to be （），wonderful and even challenging（有挑战性的）． Americans work long hours． Most people work about forty hours a week， （）some even work much longer hours-more than sixty hours a week． Most Americans are too busy with their work to （）about their families． In fact， many Americans have （）more pressure（压力）from their work and fewer vacations． Sometimes they have to do （）work at home． In America， some jobs are fun and meaningful， but some are not． To （）better and become happier from boring jobs， many Americans spend time on vacations， hobbies， sports and all kinds of parties when they are free．1．
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