[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f8-zZRVpriqk8bpgXMboy3IOwdy6UxN-6sLFzxjNT6kg":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2023-12-21 18:22:54",119085043,[8,9,10,11],"溶氧量","化学耗氧量","生化需氧量","总需氧量",{"courseId":13,"courseImg":14,"courseName":15},"da8a15805187ec36965fe638667531e2","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2e5c2f604a0488226ed99896cd5b09d1.jpg","智能养殖环境控制技术","水的化学性状指标中,能表示水中可被氧化的有机物和还原性无机物含量的是( )",[18,29,32,41,50,59,68,77,86,95],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],119085042,[22,23,24,25],"5.5-6.5","6.5-8.5","7.0-8.0","8.5-10.0","我国生活饮用水卫生标准(GB5749--2006) 规定生活饮用水的pH值为","v1",0,{"answer":30,"createTime":5,"id":6,"options":31,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":27,"type":28},[],119085044,[36,37,38,39],"氯化法","紫外线照射法","煮沸法","高锰酸钾法","目前自来水厂使用最广泛的饮水消毒法是( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":27,"type":28},[],119085046,[45,46,47,48],"8-15","11-22","17-30","21-37","水的硬度以"度"表示,( )度的称为硬水",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":27,"type":28},[],119085052,[54,55,56,57],"0.3","0.4","0.5","0.6","水中含氟量低于( )mg\u002F L时会引起龋齿",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":27,"type":28},[],119085056,[63,64,65,66],"35:1","25:1","15:1","5:1","用粪便产生沼气,在发酵原料中,碳氮比一般以( )产气系数较高",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":27,"type":28},[],119085060,[72,73,74,75],"4-5.5","5.5-7","7-8.5","8.5-10","用粪便产生沼气,沼气池的PH以( )为宜",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":27,"type":28},[],119085064,[81,82,83,84],"15%-20%","20%-25%","10%-15%","25%-30%","畜禽舍运动场围栏用()的石灰乳涂刷",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":27,"type":28},[],119085072,[90,91,92,93],"污水","粪便","畜产品加工的副产品","病死家畜","畜牧场最主要的污染源是()",{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":27,"type":28},[],119085074,[99,100,101,102],"饲料","垫草","畜禽的呼吸","畜禽的粪尿","畜舍中有氨气最主要来源()"]