[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fwDpBvQAvk7WbQQHaQ59AitfhJqffJae_2c_9V018mUw":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":28,"type":29},[],"2023-11-29 20:42:14",109922182,[8,9,10,11],"顶尖","卡盘","中心架","鸡心夹",{"courseId":13,"courseImg":14,"courseName":15},"c088102e3fec2e80d9e483a3e1c73e18","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F23093d91b1bdce3606fc121bdfab9b01.png","2023实验室安全准入课程（机械工程、电气与自动化工程、汽车与交通工程、本科生院工程素质教育中心）","车削细长工件时,为保证安全应采用()或跟刀架",[18,30,39,48,57,66,75,84,93,102],{"answer":19,"createTime":20,"id":21,"options":22,"question":27,"source":28,"type":29},[],"2023-11-29 20:42:13",109922168,[23,24,25,26],"环境温度不要高于30℃","通风要良好","不要加热,不要与有机物或还原性物质共同使用","以上都是","过氧化酸、硝酸铵、硝酸钾、高氯酸及其盐、重铬酸及其盐、高锰酸及其盐、过氧化苯甲酸、五氧化二磷等是强氧化剂,使用时应注意","v1",0,{"answer":31,"createTime":20,"id":32,"options":33,"question":38,"source":28,"type":29},[],109922169,[34,35,36,37],"稀的氢氟酸危害性很低,不会产生严重烧伤","氢氟酸蒸汽溶于眼球内的液体中会对人的视力造成永久损害","使用氢氟酸一定要戴防护手套,工作中注意不要接触氢氟酸蒸汽","氢氟酸有强烈的腐蚀性和危害性,皮肤接触氢氟酸后可出现疼痛及灼伤,随时间疼痛渐剧,皮肤下组织被破坏,这种破坏会传播到骨骼中","下列关于氢氟酸的描述哪个是错误的?()",{"answer":40,"createTime":20,"id":41,"options":42,"question":47,"source":28,"type":29},[],109922170,[43,44,45,46],"1\u002F2","2\u002F3","3\u002F4","4\u002F5","回流和加热时,液体量不能超过烧瓶容量的:()",{"answer":49,"createTime":20,"id":50,"options":51,"question":56,"source":28,"type":29},[],109922171,[52,53,54,55],"蒸馏和回流实验中用循环水进行冷却,连接管路的橡胶管必须接牢,而且应时常检查是否老化或容易脱落","使用明火加热低沸点易燃溶剂","进行蒸馏和回流操作时,务必防止形成封闭体系","不同的溶剂体系采用不同的加热方式,例如沸点在80℃以下的乙醚、二硫化碳、丙酮等溶剂宜用水浴加热,而且只能从冷水开始加热","下列化学实验中的操作错误的是( )",{"answer":58,"createTime":20,"id":59,"options":60,"question":65,"source":28,"type":29},[],109922172,[61,62,63,64],"立即用手拉开触电人员","用绝缘物体拉开电源或触电者","去找专业电工进行修理","去找医护人员抢救","发现有人触电,应( ),使其脱离电源",{"answer":67,"createTime":20,"id":68,"options":69,"question":74,"source":28,"type":29},[],109922176,[70,71,72,73],"温度","压力","燃烧条件","氧化剂","汽油、煤油由于( )不同,有时平稳燃烧,有时发生爆炸",{"answer":76,"createTime":20,"id":77,"options":78,"question":83,"source":28,"type":29},[],109922178,[79,80,81,82],"缺少急救员","多设合适的灭火器","存放易燃物体","以上都对","电焊工作的地点不应该",{"answer":85,"createTime":5,"id":86,"options":87,"question":92,"source":28,"type":29},[],109922179,[88,89,90,91],"随意丢弃","放入塑料袋,直接作为生活垃圾处理","放入垃圾桶中","必须用专用的黄色垃圾袋密封包装,放置指定地点冷冻储存,进行无害化处理","实验解剖用过的无污染动物尸体,应该",{"answer":94,"createTime":5,"id":95,"options":96,"question":101,"source":28,"type":29},[],109922181,[97,98,99,100],"200~300℃","400~500℃","700~800℃","900~1000℃","烟头的中心温度大概是多少度?()",{"answer":103,"createTime":5,"id":6,"options":104,"question":16,"source":28,"type":29},[],[8,9,10,11]]