[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f9hpu1ZZVbBaiz-xVPexjC10tyR8RB-76x_kUFWDW-BQ":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2023-09-16 18:54:38",97083322,[8,9,10,11],"defensive organization","dissolved oxygen","depleted organism","domestic oxidization",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},21,"691bf43962a21d6f8d6ccd730174fe75","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F34afe9e40aa191cab52c0b11067d9140.jpg","2023-2024-1专业英语","c96b856ec0074c2da8e48a1c3e56f30e","","DO means",[21,26,36,45,54,62,71,80,88,96],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":28,"id":29,"options":30,"question":35,"source":24,"type":25},[],"2023-09-16 18:54:39",97083328,[31,32,33,34],"a primary clarifier","an aeration tank","a final clarifier","a digesting tank","Microorganisms are separated from the liquid in( )",{"answer":37,"createTime":28,"id":38,"options":39,"question":44,"source":24,"type":25},[],97083329,[40,41,42,43],"The steel bars","The cleaning rakes","The flow meter","all of the above","()are activated when screens get sufficiently clogged to raise the water level in front of the bars",{"answer":46,"createTime":28,"id":47,"options":48,"question":53,"source":24,"type":25},[],97083332,[49,50,51,52],"nocuous","innocuous","feasible","favorably","As with coagulants,these aids should preferably be()",{"answer":55,"createTime":28,"id":56,"options":57,"question":61,"source":24,"type":25},[],97083335,[58,59,60,43],"The maintenance of proper pH","The continuous presence of trained operators","Proper flow rates","What are the Key factors in the successful operation of DAF units",{"answer":63,"createTime":28,"id":64,"options":65,"question":70,"source":24,"type":25},[],97083336,[66,67,68,69],"biological","chemical","physical","medical","Activated sludge is a step",{"answer":72,"createTime":28,"id":73,"options":74,"question":79,"source":24,"type":25},[],97083337,[75,76,77,78],"30 min","40 min","50 min","60 min","If the tank volume is 120 m³ and the flow rate is 2 m³\u002Fmin,how long is the retention time",{"answer":81,"createTime":28,"id":82,"options":83,"question":87,"source":24,"type":25},[],97083338,[84,85,86,43],"domestic wastewater","infiltration","industrial discharge","Discharges into a sanitary sewerage system consist of ( )",{"answer":89,"createTime":28,"id":90,"options":91,"question":95,"source":24,"type":25},[],97083339,[92,93,94,43],"physical process","chemical process","biological process","Primary treatment is( )that remove nonhomogenizable solids and homogenize the remaining effluent",{"answer":97,"createTime":28,"id":98,"options":99,"question":104,"source":24,"type":25},[],97083341,[100,101,102,103],"suspended solids","grease particle","protein","phosphorus","Flotation is an operation that removes not only oil and grease but also( )"]