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    Have you ever tried to understand something new on your own but found it a bit too difficult in books or on the Internet? Don't be worried-you can get help at Khan Academy(可汗学院).

    Khan Academy is an online learning website created by Salman Khan, an American

    teacher. In order to provide "a free world-class education for anyone anywhere", Khan offers more than 3,500 free small lectures(讲座) at khanacademy. org.

    The classes cover fields like history, chemistry and art. They usually last for 15 minutes or less. Unlike traditional classes, Khan mainly offers courses for students below college level. The classes can also help those who are planning to take the SAT, an exam often required for students who wish to enter a college or university in the USA

    So how can you start your learning journey at Khan Academy?

    First of all, enter the website with a personal email account .Your personal homepage at Khan Academy is designed to help you learn Maths. You can take a pre-test first to see your level. The academy then suggests exercises at the right level for you.

    If you are interested in other subjects, click "LEARN" to see all topics on offer. Try "Art History", for example. This will take you to all the things in that area like text articles, videos and questions. You can also put key words into the search box to see related topics.

    Don't worry if you find it difficult to follow the courses in English. The courses have been translated into other languages, such as Chinese.

    Khan Academy

    The introduction of Khan Academy

    ·Salman Khan 1. the online learning website.

    ·The classes at khanacademy. org 2. different fields.

    ·The classes at khanacademy. org. usually last for a 3. of an hour or less.

    The advantages of studying at Khan Academy

    ·It can help you understand something new by 4..

    ·You needn’t5. money for your courses.

    ·The classes can be6. if you are planning to take the SAT.

    ·You can learn the courses without language difficulty.

    The7. of studying at Khan Academy

    ·You can use a personal email account to enter the website.

    ·You can see your level by8. a pre-test first.

    ·You can click “LEAEN” to see all topics on offer if you show an 9. in other subjects .

    ·You can also put key10. into the search box to see related topics.

    1.created 2.cover/include 3.quarter 4.yourself/yourselves 5.pay 6.helpful/useful 7.ways/steps 8.taking 9.interest 10.words 【解析】 文章大意：这是一篇说明文，主要介绍了一家在线学习网站可汗学院。短文主要说明了可...
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