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关于冰球运动的比赛方法,说法正确的是( )。
The correct statement about the game method of hockey is ( ) .
A、一般冰球比赛每队有20人,双方各上场6人
A typical hockey game has 20 players per team, with 6 players on each side of the ice
B、每场比赛60分钟,分3局进行,每局实际比赛20分钟,每局中间休息 15 分钟
Each game is 60 minutes long and is played in 3 innings, with 20 minutes of actual play per inning and a 15-minute break in between each inning
C、如果第三节比赛两队打平,要打5分钟加时赛
If the game is tied in the third period, a 5-minute overtime period is played
D、比赛进行中可以不通过裁判随时换组、替换队员和守门员
The team can change teams, players and goalkeepers at any time during the game without the referee
单项选择题
甲乙两个构件的厚度测量结果算术平均值分别为56.4cm、58.6cm,标准差分别为4.21/4.32,则甲乙两个构件厚度测量结果的离散性大小关系为( )。
A.甲>乙
B.乙>甲
C.甲=乙
D.无法比较
单项选择题
保险公司收到申请人的保险金给付申请书及相关证明和资料后,对确定属于保险责任的,在与申请人达成有关给付保险金数额的协议后的( )日内,履行给付保险金义务。
A.3
B.5
C.10
D.15
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