语法填空 Teenagers live very busy lives now and often forget to think about their diets and exercise. The truth is, healthy eating along with regular exercise is the only way to k{#blank#}1{#/blank#} fit.
During your teenage years, it is important to give your body the energy it needs. Teenage g{#blank#}2{#/blank#} need about 2,200 calories a day and boys need a bit m{#blank#}3{#/blank#} —doctors suggest 2,800 for teenage boys. 50% of your calories should come f{#blank#}4{#/blank#} rice, bread, vegetables and fruit. You also need to drink a lot of water, 6 to 8 glasses a day. Drinking e{#blank#}5{#/blank#} water will improve your skin and give you healthy hair.
E{#blank#}6{#/blank#} is something that can help to make you look good, feel good and be healthy. Experts (专家) suggest that teenagers should s{#blank#}7{#/blank#} at least 30 minutes exercising, five times a week.
W{#blank#}8{#/blank#} you exercise, your body produces something that makes you f{#blank#}9{#/blank#} relaxed(放松的). It can even help you s{#blank#}10{#/blank#} better at night and let you pay more attention when you study!