Inventions are created every day because of people would like
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to make life easier. TV provides us with different informations
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so that we can know more about the whole world quickly.
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We see all kinds of entertainment programs to relax ourselves.
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However, some learning programs help us with our study.
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We go to school or work on bike every day. At the same time,
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it's not so expensive that most of us can afford.
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It makes no pollution, that is good for our environment.
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What's more, bicycling are a kind of exciting sports,
_________
which is quite good for our health and popular in the young.