[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fUXZyxXjeT0JAbB8aew8q8KLqS5HftKu2TFTQGsFRu88":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":13,"related":14,"source":24,"type":40},[],"2024-05-18 01:24:03",994041108,[8,9],"对","错",{"courseImg":11,"courseName":12},"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F44dd6979e2f9473b477b9bbf7fb4d809.png","游泳","游泳中对付波浪,主要是辨别它的方向、速度和大小,以便掌握好呼吸时机和头的朝向,避免呛水",[15,26,35,41,44,53,62,71,76,85],{"answer":16,"createTime":5,"id":17,"options":18,"question":23,"source":24,"type":25},[],994040957,[19,20,21,22],"从侧面观察","从背面观察","从正面观察","根据外形判断","游泳教学中纠正错误动作时,对爬泳的手臂入水位置和对水情况,宜( )","v2",0,{"answer":27,"createTime":5,"id":28,"options":29,"question":34,"source":24,"type":25},[],994040984,[30,31,32,33],"分析比较法","发展素质法","条件限制法","矫枉过正法","游泳教学中,有些学生有正确的动作概念,却没有正确时空感觉,明知动作错误却改不过来.对这种情况,可采用( )予以纠正",{"answer":36,"createTime":5,"id":37,"options":38,"question":39,"source":24,"type":40},[],994040992,[8,9],"根据水阻力的形成原理,游泳时的水阻力可分为摩擦阻力、压差阻力和波浪阻力",3,{"answer":42,"createTime":5,"id":6,"options":43,"question":13,"source":24,"type":40},[],[8,9],{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":24,"type":25},[],994041162,[48,49,50,51],"5º~10º","10º~20º","20º~30º","30º~35º","抓台式出发"平式入水"技术的入水角通常为( )",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":24,"type":25},[],994041178,[57,58,59,60],"5~10cm","10~15cm","15~20cm","20~25cm","蝶泳转身触壁时,两手间的距离约为( )",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":24,"type":25},[],994041365,[66,67,68,69],"动作示范","纠正错误","技术分析","游戏活动","在游泳教学和训练中,合理地安排一些( ),可以丰富课的内容,帮助学生掌握和巩固游泳运动技能",{"answer":72,"createTime":5,"id":73,"options":74,"question":75,"source":24,"type":40},[],994041602,[8,9],"游泳比赛的出发技术,可分为预备姿势、起跳、腾空和入水、滑行和开始游泳等四个环节",{"answer":77,"createTime":5,"id":78,"options":79,"question":84,"source":24,"type":25},[],994041799,[80,81,82,83],"+0.02m,-0.01m","+0.03m,-0.00m","+0.02m,-0.00m","+0.03m,-0.03m","竞赛用的50m标准游泳池长度的误差范围为( )",{"answer":86,"createTime":5,"id":87,"options":88,"question":89,"source":24,"type":40},[],994041845,[8,9],"各种转身动作大体上都可以分为游近池壁和触壁、转身、蹬壁、滑行和开始游泳等几个环节"]