Now more and more people get to know that exercise is important. We need to exercise. Doctors say it is good for us. It makes us and healthier. who often exercise are more alert (机灵的). This means they do in exams and schoolwork than those who don’t exercise. There are many ways . You can walk, run, swim, or play ball games. You have to like you’re doing. Try all kinds of things you find one, two, or even three sports that you feel right for you.  It’s best to exercise twice a week. Thirty minutes each time enough (足够的). You can exercise at fitness centres (健身中心). They have a lot of equipment (器材). The equipment can exercise your arms, legs and other parts of your body you healthy. Some people buy equipment for their homes, but it is very expensive. 小题1: A．both B．all C．every D．some 小题2: A．happy B．happier C．happily D．more happily 小题3: A．Parents B．Teachers C．Children D．Friends 小题4: A．better B．worse C．well D．badly 小题5: A．exercise B．exercising C．to exercise D．for exercising 小题6: A．why B．what C．where D．who 小题7: A．when B．after C．because D．until 小题8: A．are B．is C．do D．does 小题9: A．use B．spend C．bring D．help 小题10: A．to make B．made C．makes D．make