急性血源性骨髓炎最常见的致病菌是() ["大肠埃希菌","链球菌","金黄色葡萄球菌","铜绿假单胞菌","肺炎双球菌"]
焦炉工人所患法定职业肿瘤为()。 ["肺癌","皮肤癌","白血癌","膀胱癌","肾脏肿瘤"]
“美丽广西”乡村建设重大活动的总体目标是?() ["农村环境优美","服务保障有力","农民生活宽裕","乡村和谐幸福"]
施工项目部淘汰了相应陈旧机具,体现了对()对象的安全控制。 ["劳动者","劳动手段","劳动对象","劳动环境"]
引起猩红热的病原菌是() ["A群链球菌","B群链球菌","肺炎链球菌","金黄色葡萄球菌","脑膜炎奈瑟菌"]
《供电营业规则》规定,用户新装、增装或改装受电工程的()、()应符合国家有关标准;国家尚未制订标准的,应符合电力行业标准;国家和电力行业尚未制定标准的,应符合省/自治区、直辖市电力管理部门的规定和规程。