you may find it to be a very valuable and helpful experience．这可能是一个更加困难和昂贵的选择，但是你可能会发现这是一种非常有…和有帮助的经历．可知结合选项，应说但是你可能会发现这是一种非常有价值和有帮助的经历．所以valuable意为有价值的．故选B．
44．D 细节理解题．根据最后一段句子It can be a more difficult and expensive choice，but you may find it to be a very valuable and helpful experience．这可能是一个更加困难和昂贵的选择，但是你可能会发现这是一种非常有价值和有帮助的经历．可知学习或旅行到一个说英语的国家是一个很好的选择，因为它不会花费你太多是错误的．故选D．
45．A 细节理解题．根据整篇文章内容及其第一段句子There are some ways to improve your English，but I think the most important thing is to make English all around you．Here's some advice for you．有一些方法可以提高你的英语，但我认为最重要的事情是让英语围绕在你的四周，这里有一些建议给你．可知主要说的是如何提高你的英语水平．故选A．
【点评】在通读全文的基础上，根据全文大意，展开逻辑思维，瞻前顾后，认真观察选项，仔细推敲，确定最佳答案．
46．（10分）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 god for your health．
There are plenty of\．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．Makes 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 beat fast，Because of this，the International Olympic Committee has limited its use．Caffeine in most energy drinks is at least as strong as
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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．
46．The\ B ． A．busy people and sports players
B．students，busy people，young people and sports players C．old people，young people and students D．actors，singers，students and busy people
47．Why does the International Olympic Committee limit caffeine's use？ C A．Because most energy drinks have lots of caffeine in them． B．Because caffeine is helpful to people's health． C．Because caffeine makes your heart beat fast．
D．Because scientists say that people should be discouraged from taking caffeine． 48．People can't drink too much energy drinks because they may cause D ． A．heart problems B．nervousness C．sleeping trouble D．A、B and C
49．From the passage we can know that A ．
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
50．Which of the following can be the best title of the passage？ C A．What's the Use of Energy Drinks？ B．Who Can Drink Energy Drinks？ C．What's That in Energy Drinks？
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D．Why Can't We Buy Energy Drinks？
【分析】本文叙述了广告上宣传的动力饮料在夏天运动后喝了以后是感觉凉爽，让人们更有精神，可是人们不知道这种饮料里含有一种咖啡因，它能使人心跳加快，难以入眠，使你身体紧张，给人们的身体带来危害．
【解答】答案：46．B 细节理解题．根据第二段句子These drinks are especially aimed at young people，students，busy people and sports players．这些饮料是特别针对年轻人、学生、工作忙碌的人以及运动员等．可知针对年轻人、学生、工作忙碌的人以及运动员等．故选B．
47．C细节理解题．根据第三段句子Caffeine makes your heart beat fast，Because of this，the International Olympic Committee has limited its use．咖啡因会使你的心跳加快，因为这样，国际奥委会已经限制了它的使用．可知因为咖啡因让你的心跳加快．故选C．
48．D 细节理解题．根据第三段句子Just one box of energy drink can make you nervous，have difficulty sleeping and can even cause heart problems．仅仅一盒动力饮料可以使你神经紧张，睡眠困难，甚至可以引起心脏问题．可知结合选项，故选D．
49．A 细节推理题．根据第二段句子Makers sometimes say their drinks make you better at sports and can keep you awake．制造商有时会说，他们的饮料能让你在运动方面更有能力，而且能让你保持清醒．可知广告在促使人们去买这种动力饮料，故选A．
50．C 标题归纳题．根据整篇文章内容及其第二段句子But after a careful check you may find that most energy drinks have lots of caffeine（咖啡因）in them．但经过仔细检查，你会发现大多数的能量饮料有大量的咖啡因在其中．可知全文主要介绍了这种饮料的含有的成分，故选C．
【点评】在通读全文的基础上，根据全文大意，展开逻辑思维，瞻前顾后，认真观察选项，仔细推敲，确定最佳答案．
51．（10分）I used to hate my mother because she worked a lot and didn't spend much time with me．Then one Friday morning I took part in a three﹣day self﹣help
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program for teenagers．Whether you believe it or not，that weekend changed my life． About 100 other teenagers were there．During the first two days I met a lot of great people．I was glad because I made so many friends there．
On Sunday，the leader did an interesting exercise called\．He asked a girl which she liked better，chocolate or toys．She chose chocolate．Then he asked her to choose again between chocolate and chocolate．Of course，she didn't have a choice．
This exercise told us that sometimes we don't have a choice in life，and that sometimes we have to accept something，rather than complaining（抱怨）． A girl stood up and started talking about her mom who was a drug addict and how much she hated her mother． \，\．
\，you can't have one，\．\mother that you have．\
This hit me hard．I realized that，for better or worse，my mom was my mom．I couldn't choose another mom，but I could try to make the best of the situation．
51．The self﹣help program for teenagers lasted C ． A．a week B．two days C．three days D．only one day
52．The writer used to hate his mother because B ． A．she didn't care for him B．she had no time to be with him C．she was a drug addict D．she was too strict with him
53．The writer started to change his thinking B ． A．during the first two days of the program
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B．after the exercise named\ C．as soon as he took part in the program D．after he left the program sometime
54．From the end of the passage，we can know that C ． A．the writer used to love his mom for yeas B．the writer's mom is a very bad person C．the writer's mom loves her son very much 55．What is the main idea of this passage？ D A．Choices can be made as we like．
B．Everyone should take part in a self﹣help program． C．Chocolate can influence one's attitude toward things．
D．We should try to accept things instead of complaining about them．
【分析】短文讲了因为她花很多时间去工作，而不花时间与我在一起，所以我讨厌我的妈妈．然后，一个星期五的早晨，我参加了一个为期三天的青少年自立节目．不管你信不信，这个周末改变了我的生活．我意识到，我的妈妈是我的妈妈． 【解答】答案：51．C 细节理解题．根据第一段句子I took part in a three﹣day self﹣help program for teenagers．我参加了一个为期三天的青少年自立节目．可知时间为三天，故选C．
52．B 细节理解题．根据第一段句子I used to hate my mother because she worked a lot and didn't spend much time with me．因为她花很多时间去工作，而不花时间与我在一起，可知她没有时间和他在一起，所以我讨厌我的妈妈．故选B． 53．B 细节理解题．根据第三段句子On Sunday，the leader did an interesting exercise called\．周日，领导做了一个有趣的练习\Toys\．和This exercise told us that sometimes we don't have a choice in life，and that sometimes we have to accept something，rather than complaining（抱怨）．这个练习告诉我们，有时候我们在生活中没有选择，有时我们不得不接受一些东西，而不是抱怨．和最后一段This hit me hard．I realized that，for better or worse，my mom was my mom．这深深的打动了我，我意识到，无论是好是坏，我妈妈都是我妈妈．可知作者通过这个节目，改变了以往的观点．这个节目是\or
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