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　　In my profession as an educator and health care provider, I have worked with numerous children infected with the virus that causes AIDS．The relationships that I have had with these special kids have been gifts in my life．They have taught me so many things, but I have especially learned that great courage can be found in the smallest of packages．Let me tell you about Tyler．

　　Tyler was born infected with HIV：his mother was also infected．From the very beginning of his life, he was dependent on medications to enable him to survive．When he was five, he had a tube surgically inserted in a vein in his chest．This tube was connected to a pump, which he carried in a small backpack on his back．Medications were hooked up to this pump and were continuously supplied through this tube to his bloodstream．At times, he also needed supplemented oxygen to support his breathing．

　　Tyler wasn't willing to give up one single moment of his childhood to this deadly disease．It was not unusual to find him playing and racing around his backyard, wearing his medicineladen backpack and dragging his tank of oxygen behind him in his little wagon．All of us who knew Tyler marveled at his pure joy in being alive and the energy it gave him．Tyler's mom often teased him by telling him that he moved so fast that she needed to dress him in red．That way, when she peered through the window to check on him playing in the yard, she could quickly spot him．

　　This dreaded disease eventually wore down even the likes of a little dynamo like Tyler．He grew quite ill and, unfortunately, so did his HIV－infected mother．When it became apparent that he wasn't going to survive, Tyler's mom talked to him about death．She comforted him by telling Tyler that she was dying too, and that she would be with him soon in heaven．

　　A few days before his death, Tyler beckoned me over to his hospital bed and whispered, “I might die soon．I'm not scared．When I die, please dress me in red．Mom promised she's coming to heaven, too．I'll be playing when she gets there, and I want to make sure she can find me．”

[解题导语]　作者与无数艾滋病患儿打过交道，这些患儿使作者明白了很多道理。其中，作者遇到一个叫泰勒的小患者，他面对死神与厄运的坦然与乐观给作者留下了深刻印象。

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完形填空

　　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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