[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fcs7QmH67LytOu8xVeGXs7Z8xaZ37aOfxvPDyNLY9tuQ":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":15,"related":16,"source":20,"type":21},[],"2024-05-18 01:04:00",994040836,[8,9,10,11],"根据外形判断","从背面观察","从正面观察","从侧面观察",{"courseImg":13,"courseName":14},"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F44dd6979e2f9473b477b9bbf7fb4d809.png","游泳","游泳教学中纠正错误动作时,对蛙泳的翻脚情况,宜( )",[17,22,30,39,44,53,62,67,72,81],{"answer":18,"createTime":5,"id":6,"options":19,"question":15,"source":20,"type":21},[],[8,9,10,11],"v2",0,{"answer":23,"createTime":5,"id":24,"options":25,"question":28,"source":20,"type":29},[],994040860,[26,27],"对","错","游泳教学过程从始至终都必须落实好安全措施,使学生建立安全感,做到万无一失,避免溺水事故的发生",3,{"answer":31,"createTime":5,"id":32,"options":33,"question":38,"source":20,"type":21},[],994040929,[34,35,36,37],"分解教学","完整教学","单一教学","综合教学","游泳教学中,对于难以分解的动作,通常采用( )",{"answer":40,"createTime":5,"id":41,"options":42,"question":43,"source":20,"type":29},[],994040967,[26,27],"影响压差阻力的重要因素是物体的正面面积和形状,尤其是物体前部的形状",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":20,"type":21},[],994041014,[48,49,50,51],"慢速示范","中速示范","快速示范","陆上师范","在初次教初学者学习蛙泳的配合技术时,以进行( )为宜",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":20,"type":21},[],994041060,[57,58,59,60],"蝶泳","仰泳","蛙泳","爬泳",""双S型"是( )时手相对于游泳者自身的运动轨迹",{"answer":63,"createTime":5,"id":64,"options":65,"question":66,"source":20,"type":29},[],994041070,[26,27],"在江河中游泳时若接近漩涡,应顺着漩涡的外沿,用蛙泳快速游过",{"answer":68,"createTime":5,"id":69,"options":70,"question":71,"source":20,"type":29},[],994041095,[26,27],"冬泳时,体温调节机能会发生一系列的变化.这种变化可分为三个时期,即寒冷期、温暖期和寒颤期",{"answer":73,"createTime":5,"id":74,"options":75,"question":80,"source":20,"type":21},[],994041192,[76,77,78,79],"肩关节灵活性差","头抬得太高","入水时肘关节弯屈","躯干绕纵轴转动不够","仰泳手臂入水点过于偏内错误的主要原因是( )",{"answer":82,"createTime":5,"id":83,"options":84,"question":89,"source":20,"type":21},[],994041273,[85,86,87,88],"10","15","20","30","自由泳、仰泳、蝶泳出发后,运动员在水下潜游的距离不得超过( )米"]