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举一反三
【单选题】睡眠呼吸暂停是指
A.
睡眠时口和鼻气流停止达15秒以上
B.
睡眠时口和鼻气流停止达10秒以上
C.
睡眠时口和鼻气流停止达5秒以上
D.
睡眠时口和鼻气流停止达20秒以上
【多选题】乒乓球裁判没有（）的权利或职责
A.
保持比赛连续性
B.
对违反关于指导行为等规定者采取正当行动
C.
对违反关于指导行为等规定者可以罚3分以示警告
D.
允许疲劳过度的运动员在比赛间隙休息5分钟
【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...
A.
The ideal retirement age for an experienced football referee is 35.
B.
Age should not be the chief consideration in choosing a football referee.
C.
A football referee should be as young and energetic as possible.
D.
An experienced football referee can do well even when in poor physical condition.
【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...
A.
slightly above average
B.
higher than in the 1998 World Cup
C.
quite unexpected
D.
as high as in a standard match
【单选题】在下面哪种情况下，客户的4G功能不会被系统自动暂停？（）
A.
国内融合流量及省内的融合及4G流量使用完毕
B.
国内4G流量用完、省内4G流量未用完
C.
客户当月的套餐外流量达到15G
D.
客户当月的2、3、4G总流量达到50G