[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fwevXPm0xyMGmt5HdH8kCLCHEqStZC85m6rikmcAFofE":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":21,"type":22},[],"2026-01-02 08:12:07",299512998,[8,9,10,11],"水生植物","湿生植物","中生植物","旱生植物",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","以水分为主导因子的植物生态类型有",[18,23,31,40,49,59,68,77,86,95],{"answer":19,"createTime":5,"id":6,"options":20,"question":16,"source":21,"type":22},[],[8,9,10,11],"v1",1,{"answer":24,"createTime":5,"id":25,"options":26,"question":30,"source":21,"type":22},[],299512999,[27,28,29,10],"沉水植物","浮水植物","挺水植物","水生植物包括",{"answer":32,"createTime":5,"id":33,"options":34,"question":39,"source":21,"type":22},[],299513000,[35,36,37,38],"束缚水","自由水","纯净水","以上都不对","植物体内的水分存在状态有",{"answer":41,"createTime":5,"id":42,"options":43,"question":48,"source":21,"type":22},[],299513001,[44,45,46,47],"植物代谢旺盛","生长速度快","抗逆性差","生长速度慢","自由水\u002F束缚水比值高时",{"answer":50,"createTime":5,"id":51,"options":52,"question":58,"source":21,"type":22},[],299513002,[53,54,55,56,57],"水是原生质的重要组成成分","水是代谢过程的原料","水是各种生理生化反应和物质运输的良好介质","水能使植物保持固有的姿态","水能调节植物的体温","水分在植物生命活动中的作用包括",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":21,"type":22},[],299513003,[63,64,65,66],"水势是在等温等压下,体系(如细胞)中的水与纯水之间每偏摩尔体积的水的化学势差","当纯水中溶有任何物质时,由于溶质(分子或离子)与水分子相互作用,消耗了部分自由能,所以溶液的水势比纯水低","水势是推动水分移动的强度因素,可通俗地理解为水移动的趋势","水总是由低水势处自发流向高水势处","下列关于水势的说法,正确的是",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":21,"type":22},[],299513004,[72,73,74,75],"伤流","吐水","根压","蒸腾作用","根系具有吸水动力的表现有",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":21,"type":22},[],299513005,[81,82,83,84],"降低蒸腾作用","提高成活率","因为植物的根系量大幅度减少","降低土壤水分蒸发","大树移植时为什么要修剪去除大部分枝叶",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":21,"type":22},[],299513006,[90,91,92,93],"产生蒸腾拉力,是水分吸收和运输的主要动力","促进木质部汁液中物质的运输","调节植物体的温度","使气孔张开,有利于CO2的同化及植物的有氧呼吸","蒸腾作用的意义",{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":21,"type":22},[],299513007,[99,100,101,102],"蒸腾速率(强度)","蒸腾效率","蒸腾系数","蒸腾失水量","衡量蒸腾作用的指标有"]