[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fqtWMyc6usTqD0GWcleAmTe2f-0U24G04reR4W1JReS8":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":17,"related":18,"source":29,"type":52},[],"2025-06-14 01:31:32",200242017,[8,9],"正确","错误",{"count":11,"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},5,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","91d693ed7cdd4424a25d050ce30d3d1a","4.1 习题","铅球掷远时最佳出手角度与出手速度无关",[19,31,40,49,53],{"answer":20,"createTime":21,"id":22,"options":23,"question":28,"source":29,"type":30},[],"2024-05-20 17:53:27",144848580,[24,25,26,27],"投掷铅球过程中,手不能出界","投掷铅球,球出手后,脚可以踩线","身体越强壮,投掷铅球一定投得越远","投掷铅球是复合运动,投掷成绩需要考虑身体强壮度、身高、臂长、技术掌握程度、赛场状态等多项因素","铅球投掷问题中,以下哪个表述是正确的","v1",0,{"answer":32,"createTime":21,"id":33,"options":34,"question":39,"source":29,"type":30},[],144848582,[35,36,37,38],"站直了向前投可以投得远,因为这样出手高度高","身体原地转一圈再投出去投得远,因为这样出手速度快","通过滑步提升出手速度,出手角度为斜向上40°左右投得远,综合考虑了出手速度和出手高度、角度","投掷铅球时让铅球水平方向投出去,这样给铅球的初速度全部是向前的方向,所以投得远","铅球掷远时,以下动作你认为正确的是",{"answer":41,"createTime":21,"id":42,"options":43,"question":48,"source":29,"type":30},[],144848584,[44,45,46,47],"模型一中最佳出手角度是45°","模型二中最佳出手角度是45°","出手高度增大,投掷距离变小","出手高度增大,最佳出手角度变大","铅球掷远问题中,以下表述正确的是",{"answer":50,"createTime":5,"id":6,"options":51,"question":17,"source":29,"type":52},[],[8,9],3,{"answer":54,"createTime":5,"id":55,"options":56,"question":57,"source":29,"type":52},[],200242018,[8,9],"铅球掷远问题中,影响成绩最重要的因素是出手速度"]