[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fX5R5jvW6sL_64E1L4Q4jmv7uhsr7f7wYPUkjIQ6Uvfo":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":16,"related":17,"source":27,"type":61},[],"2023-05-10 06:36:53",32979010,[8,9],"对","错",{"courseId":11,"courseImg":12,"courseName":13,"workId":14,"workName":15},"1000007005","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F44dd6979e2f9473b477b9bbf7fb4d809.png","游泳","14414484","第七章单元测试","仰泳也叫做背泳.现代竞技仰泳是采用爬式仰泳技术.( )",[18,29,38,47,56,62,67,72,77,82],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],32978661,[22,23,24,25],"后方","后上方","正上方","前上方","游仰泳时,要求颈部自然伸直,后脑浸入水中,眼看( )","v2",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],32978667,[33,34,35,36],"上臂—前臂--手","手--前臂--上臂","前臂—手--上臂","肘--肩—手","仰泳手臂出水时,是按( )的顺序出水的",{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":27,"type":28},[],32978980,[42,43,44,45],"上","下","外","内","仰泳手臂入水时,要求掌心向( )",{"answer":48,"createTime":5,"id":49,"options":50,"question":55,"source":27,"type":28},[],32978982,[51,52,53,54],"50cm","45cm","40cm","35cm","仰泳两腿上踢下压交替打水的动作幅度约为( )",{"answer":57,"createTime":5,"id":58,"options":59,"question":60,"source":27,"type":61},[],32978992,[8,9],"仰泳两腿上下打水要有鲜明的节奏,相对而言,下压动作应柔和放松,上踢动作应快速有力.( )",3,{"answer":63,"createTime":5,"id":64,"options":65,"question":66,"source":27,"type":61},[],32978996,[8,9],"仰泳腿部动作是以髋关节为轴,大腿发力,通过膝关节带动小腿和脚上下交替打水.( )",{"answer":68,"createTime":5,"id":69,"options":70,"question":71,"source":27,"type":61},[],32978997,[8,9],"仰泳两腿上下交替打水动作可形象的比喻为"上踢"和"下压",即"屈腿上踢,直腿下压".( )",{"answer":73,"createTime":5,"id":74,"options":75,"question":76,"source":27,"type":61},[],32979004,[8,9],"游仰泳时,身体纵轴与水平面约成5º~10º\u002F相对稳定的迎角.头部在游进中要保持.( )",{"answer":78,"createTime":5,"id":79,"options":80,"question":81,"source":27,"type":61},[],32979006,[8,9],"仰泳的身体姿势,主要应避免下肢太低、下肢太高和屈髋这三种错误.( )",{"answer":83,"createTime":5,"id":6,"options":84,"question":16,"source":27,"type":61},[],[8,9]]