[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fITtX4WYSHL67WsbE_k3A-Jemx23Nz1938cmeUd37yKg":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":15,"related":16,"source":26,"type":27},[],"2024-05-18 01:04:00",994041060,[8,9,10,11],"蝶泳","仰泳","蛙泳","爬泳",{"courseImg":13,"courseName":14},"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F44dd6979e2f9473b477b9bbf7fb4d809.png","游泳",""双S型"是( )时手相对于游泳者自身的运动轨迹",[17,28,36,45,50,59,62,67,72,81],{"answer":18,"createTime":5,"id":19,"options":20,"question":25,"source":26,"type":27},[],994040836,[21,22,23,24],"根据外形判断","从背面观察","从正面观察","从侧面观察","游泳教学中纠正错误动作时,对蛙泳的翻脚情况,宜( )","v2",0,{"answer":29,"createTime":5,"id":30,"options":31,"question":34,"source":26,"type":35},[],994040860,[32,33],"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":37,"createTime":5,"id":38,"options":39,"question":44,"source":26,"type":27},[],994040929,[40,41,42,43],"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":46,"createTime":5,"id":47,"options":48,"question":49,"source":26,"type":35},[],994040967,[32,33],"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":51,"createTime":5,"id":52,"options":53,"question":58,"source":26,"type":27},[],994041014,[54,55,56,57],"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":60,"createTime":5,"id":6,"options":61,"question":15,"source":26,"type":27},[],[8,9,10,11],{"answer":63,"createTime":5,"id":64,"options":65,"question":66,"source":26,"type":35},[],994041070,[32,33],"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":26,"type":35},[],994041095,[32,33],"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":26,"type":27},[],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":26,"type":27},[],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"]