【单选题】It's also just fun _____ people. I always have fun _____ it. [ ]
【单选题】My father likes _____ books and _____ TV very much. [ ]
【单选题】As Millie_____ TV, Andy _____ the door. [ ]
A.
was watching: was opening
【多选题】资本积累、资本积聚和资本集中的相互关系是
【单选题】She seems to prefer _____ American TV Shows to talking to me. [ ]
【简答题】用于粗差剔除的常见方法有:( )检验法、 中位数检验法和格拉布斯检验法。