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　　War, money and power are a few things that countries and people are concerned about．　　1　　I agree that those things are important, I believe that everyone should start to　　2　　more on a growing problem－global warming．

　　Global warming will not only　　3　　our country and our generation, but also the entire　　4　　and future generations．It is　　5　　because the weather has been a lot warmer over the past few years, which　　6　　the melting(融化)of the ice in the Antarctic．This will soon cause water levels to　　7　　and flood parts of the world．

　　Many people ignore this problem because they feel　　8　　 they can't do anything about it and have more　　9　　things to worry about．If we all　　10　　so, then our ozone layer(臭氧层)will be　　11　　and the planet will no longer be able to make life continue to exist．We should do our best to limit the use of our planet's　　12　　resources(资源)and keep our air clean．　　13　　, future generations will suffer from our　　14　　．

　　Some might feel that they can't stop global warming from　　15　　．But if every single person does his or her part in keeping the air clean, then it will become a　　16　　effort．Sure, there are some things that cause pollution and that we won't be able to　　17　　change．This may include cars burning oil, but we can　　18　　adjust some of these things．People can start carpooling, taking the bus, riding their bikes, or　　19　　just walking．

　　If everyone takes　　20　　now, I believe we can start seeing remarkable results within a few years．

[解题导语]在这个世界上有很多国家、很多人非常关心“战争、金钱和权力”这些所谓重要的东西，但很少有人会关注“全球变暖”这个问题，或认为个人对“全球变暖”无能为力。对此我们难道真的束手无策吗？文章将会告诉我们答案。

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　　Thomas Jefferson, the third President of the United States, lived over 200 years ago, 　　1　　 many of his ideas are still of great 　　2　　 to us．

　　“Go and see!”In Jefferson's 　　3　　, knowledge can be obtained(获得)from many sources including books and personal investigation．While a committee was discussing the 　　4　　 of a river, he made an on-the-spot measure of the depth．

　　“You can learn from everyone．”Although 　　5　　 to the top social status(地位), he went out of 　　6　　 to talk with people of humble origins(出身卑贱的)and even went into 　　7　　 to learn from them．

　　“　　8　　 for yourself!”Jefferson didn't accept blindly other people's opinions 　　9　　 careful thought．He wrote to his nephew,“neither believe nor 　　10　　 anything．”

　　“Do 　　11　　 you believe is right．”He treated criticsim(批评)in a scientific 　　 12　　．He received much criticism but never answered his critics．In his opinion, he never listened to only one 　　13　　．There are two sides to every question．Listen to 　　14　　, then decide which is better．

　　“Trust the future and trust the young．”He felt that 　　15　　 should never be limited to customs 　　16　　 have lost their usefulness．

　　　　17　　 being a well-known statesman, Jefferson was a thinker, an architect, a scientist and an inventor．　　18　　, he was the author of the Declaration of Independence．American education 　　19　　 a great debt to him．Owing to(由于)his great 　　20　　 in his work, he was respected and admired．

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