【简答题】PE classes have become a nightmare (噩梦) for Liu Fei, a 15-year-old student. He has to run at l 小题1: 4 laps (圈) of the playground in every PE class. That’s n 小题2: 1,500 meters! Liu is p 小题3: 40 points ...
【单选题】听力原文: The University of Michigan carries out a survey of the drug habits among young people every year. And this year it concluded that the teenage drug use is rapidly getting worse. 25% of the teenag...