[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fPQaqR98QSG3xuvYLLSrT7mQvXWC-gl38w_ll3u_ufDQ":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-12-30 23:09:08",295863389,[8,9,10,11],"7―8月","初冬和初春","秋季到冬季","春季到秋季",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},104,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_49203676","OA_6.4","黄河发生凌汛的时间是()",[21,32,41,50,59,68,77,80,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],295863383,[25,26,27,28],"逐渐减少","逐步消亡","长期存在","不能肯定","受季风气候及地形、地质自然条件的影响,我国降水时空分布不均,水旱灾害频繁发生,且影响范围大,危害严重.随着经济社会发展和科技进步,我国的水旱灾害会()","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],295863384,[36,37,38,39],"洪涝干旱灾害频繁","水资源时空分布不均","水污染形势严峻","水资源供需矛盾突出","人多水少、()是我国的基本国情水情",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],295863385,[45,46,47,48],"受季风气候影响","受河流影响","受地势影响","受地表植被影响","我国旱、涝灾害多的主要原因是()",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],295863386,[54,55,56,57],"①②③④","②③④⑤","①②④⑤","①③④⑤","下列有关我国泥石流多发原因的叙述中,正确的是?()①降水量大且多暴雨②地势平坦有利于洪水流动③地壳活动频繁,岩石破碎④植被破坏严重⑤多山地",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],295863387,[63,64,65,66],"水旱灾害","寒潮","地震","台风","自然灾害给我国经济带来巨大损失,其中危害最大的灾害是()",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],295863388,[72,73,74,75],"暴雨","山洪","融雪","风暴潮","长江流域的洪水主要是由()形成的",{"answer":78,"createTime":5,"id":6,"options":79,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":30,"type":31},[],295863390,[84,85,86,87],"黄河源区河段","黄河宁蒙河段","黄河中游河段","黄河下游河段","凌汛灾害是黄河特有、最难防守的灾害之一.人民治黄以来,凌汛灾害明显减少.但是,受特殊地理位置和河道走向等因素影响,()仍是近期防凌形势最为严峻的河段",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],295863391,[93,94,95,96],"春季","夏季","秋季","冬季","旱涝急转现象指在同一季节内一段时间特别旱,而随后突遇集中强降雨又特别涝,引发山洪暴发、河水陡涨、外水入侵等灾害.在我国,旱涝急转主要发生在()",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],295863392,[102,103,104,105],"汛期是指一年中因季节性降雨、融冰、化雪引起的江河水位有规律地显著上涨时期","由于汛期地理位置及气候差异,各地汛期迟早不一","全国各地汛期都是5―8月份","汛期又分为春汛、凌汛、伏汛和秋汛","下列关于汛期的说法不正确的是:()"]