he most energy.Р48 Because it contains lots of fruit and green vegetables.It's rich in fibre and low in sugar and fat.Р49 They eat too much fat and sugar and don't take enough exercise.Р50 The result is that many of them e fat and some have bad teeth.РⅧ.Р51 rest 52 traditional 53 dentist 54 teeth 55 improving 56 balanced 57 well 58 tired 59 stressed 60 Eating РⅨ.61.B 62.A 63.E 64.C 65.DРⅩ.参考范文:РDear Wang Xin,РI heard you are not feeling well these days.You are always tired and can't sleep well at night.I think you should eat more fruit and vegetables first.Then you should exercise more to stay healthy.You can listen to some music to relax yourself.At night,you shouldn't go out and you should go to bed early.When you are tired,you shouldn't study.РI hope you feel better soon.РYours,РLi Ming