that looks cool may not be good for your health. There are plenty of"energy drinks"on the market.Most of them have beautiful colors and cool names.The lists on them tell you they are helpful to your health.Sounds great!But after a careful check,you may find that most energy drinks have lots of caffeine()in them.These drinks are especially aimed at young people,students,busy people and sports players.Makers sometimes say their drinks make you better at sports and can keep you awake.But be careful not to drink too much. Caffeine makes your heartbeat fast.Because of this,the International Olympic Committee has limited its use.Caffeine in most energy drinks is at least as strong as that in a cup of coffee or tea.Possible health dangers have something to do with energy drinks.Just one box of energy drink can make you nervous,have difficulty sleeping and can even cause heart problems. Scientists say that teenagers should be stopped from taking drinks with a lot of caffeine in them. So we should stay away from the energy drinks to keep healthy. ()19.Why do many people like drinking energy drinks DBecause they have lots of caffeine. 2Because they are said to be helpful to health. 3Because they have beautiful colors and cool names. Because they can keep them awake and better at sports. A.①③④ B.①②③ C.②③④ D.①②④ ()20.What does the underlined word "limited"mean in Chinese A.限制 B.讨厌 C.帮助 D.开始 ()21.Which of the following is TRUE according to the passage A.Energy drinks are helpful to teenagers'study. B.Sports players need to drink a lot of energy drinks. C.The makers want to interest customers like teenagers. D.Caffeine in energy drinks is less than that in a cup of tea or coffee. 英语试卷第4页（共10页)
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