【单选题】在第3次击球落入网时，鸣哨应在（）

【多选题】乒乓球裁判没有（）的权利或职责

【简答题】发球可分为（）发球和（）发球部分。

【单选题】Long after the 1998 World Cup was won, disappointed fans were still cursing the disputed refereeing (裁判) decisions that denied victory to their team. A researcher was appointed to study the performanc...

【多选题】裁判事实形成的本体基础是()

【单选题】需重发球的情况是

【单选题】排球队员发球是按照( )方向轮转的。

【判断题】一名司线员呼报球出界,主裁判报分后司线员又更改他的呼报。主裁判应不予理睬。

【填空题】比分是15-40时应在（）区发球。

【单选题】Long after the 1998 World Cup was won, disappointed fans were still cursing the disputed refereeing(裁判) decisions that denied victory to their team. A researcher was appointed to study the performance...