Question

The weather is getting hotter. You are thirsty playing basketball or riding home from school. A cold drink may be just the thing. But be careful what you are drinking. Something 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 (咖啡因) 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 heart（心脏）beat fast. Because of this, the International Olympic Committee has limited(限制) 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 discouraged from taking drinks with a lot of caffeine in them.
【小题1】The main reason for people not to drink too much energy drinks is that they may cause      .

A．heart problems	B．nervousness
C．sleeping difficulty	D．possible health dangers

【小题2】The underlined word "discouraged" can be replaced(替换) with "________".

A．encouraged

B．stopped

C．helped

D．disliked

【小题3】From the passage we can know that _________.

A．advertisements are important in getting people to buy energy drinks

B．energy drinks are helpful to teenagers' study

C．sports players need to drink a lot of energy drinks

D．energy drinks are especially aimed at teenagers

Answer 1

【小题1】D
【小题2】B
【小题3】A

解析试题分析：这篇短文主要介绍了市场上流行的功能饮料问题。告诉我们大部分功能饮料里面含有大量咖啡因，对身体有害。因此青少年应该远离含有大量咖啡因的功能饮料。
【小题1】根据短文最后一段Possible health dangers have something to do with energy drinks.描述，可知选D。
【小题2】根据上文对咖啡因的描述及下文from taking drinks with a lot of caffeine in them.可知此处指的是应该劝阻青少年们不喝含有大量咖啡因的饮料。故选B，阻止。
【小题3】根据短文第二段描述，可知广告在人们购买功能饮料的问题上有着重要的作用，故选A。
考点：关于功能饮料的说明文阅读
点评：本文浅显易懂，层次分明，学生很容易把握文章中心内容。答题中注意带着问题阅读短文，一般就能顺利找出答题依据。对于不能直接找到根据的问题注意联系上下文，根据短文中心总结出正确答案。