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					For that, we have a robust informal learning system that gives no grades, takes all comers, and is available even on holidays and weekends. 2015年12月六级真题(第二套)阅读 Section C
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					In these groups, which came out of an Eastern European tradition of developing young talent, professors teach promising K-12 students advanced mathematics for several hours after school or on weekends. 2017年6月六级真题(第三套)阅读 Section B
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					Today, the average American spends 8.8 hours at work daily, and the majority of working professionals spend additional hours checking in with work during evenings, weekends and even vacations. 2016年12月六级真题(第一套)阅读 Section B