[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fmeIuWnZ4Ujy5lAt8QS7y1ncDo-EGcM5x4qzgkTbF0MI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-10-19 12:24:10",222498620,[8,9,10,11],"<10 pc\u002Fm³","<30 pc\u002Fm³","<50 pc\u002Fm³","<100 pc\u002Fm³",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},6,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","47998678596548b6978e7fa13859b12a","8.1 Test of airborne microbes at work place","What is the standard for the settling bacteria count in the clean production area (air cleanliness class 1000\u002F10000) of a food factory? ( )",[21,32,41,50,59,62],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],222498616,[25,26,27,28],"25℃~27℃","30℃~31℃","31℃~32℃","35℃~37℃","When determining the total number of colonies in the air, what is the appropriate temperature range for culturing general bacteria and the total number of bacteria? ( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],222498617,[36,37,38,39],"Potato Agar Medium","Blood Agar Plate","Corn Meal Agar Medium","Tryptic Soy Agar Medium","When testing for streptococci in the air, which medium should be used instead of the ordinary nutrient agar plate? ( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],222498618,[45,46,47,48],"Escherichia coli","Bacillus","Lactic acid bacteria","Bifidobacterium","Which of the following microorganisms belongs to the group that survives for a relatively long time in the air? ( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],222498619,[54,55,56,57],"Livestock house","Urban street","Park","Sea surface","According to the "geographical distribution of microorganisms in the air" data in the document, which region has the highest number of bacteria in the air? ( )",{"answer":60,"createTime":5,"id":6,"options":61,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":30,"type":31},[],222498621,[66,67,68,69],"1~3 min","5~10 min","15~20 min","20~30 min","When collecting air microbial samples using the direct sedimentation method, how long is the agar plate usually exposed to the air? ( )"]