[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fL1qABIYBL0ff5P_eQm1L-AvT3MU2ohictNFLgq_3_64":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",222498619,[8,9,10,11],"Livestock house","Urban street","Park","Sea surface",{"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","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? ( )",[21,32,41,50,53,62],{"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":6,"options":52,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":30,"type":31},[],222498620,[57,58,59,60],"<10 pc\u002Fm³","<30 pc\u002Fm³","<50 pc\u002Fm³","<100 pc\u002Fm³","What is the standard for the settling bacteria count in the clean production area (air cleanliness class 1000\u002F10000) of a food factory? ( )",{"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? ( )"]