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audience to their seats and keep was until 12∶00 that wehad lunch and took a rest,which last about an hour. We stopped→lastedworking at 4∶ it was a tired job, We felt→tiringthat it an honor to serve the disabled friends from all over the world.6(2009桂林高三模擬)Dear John,How nice to hear from you! In your letter you asked me how to keep health. I would like to give you some advice.→healthyAs you know,our teenagers grow very fast,so we need→weplenty nutritious food, such as fish, meat, and beans,specially fresh vegetables and fruits. You’d better not→especiallyto eat too much sweet. Also, you should take exercisesregularly instead of studying in the classroom all the times.→timeFor example,you can play basketball and swim after school.→orWhat’s more, having enough sleep are very important.→isSo I advise you to have at least eight hours of sleep every9.√day and not to stay up too lately. Only in this way can you→latekeep fit.Best wishes!Yours, Tom