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最佳答案：People express mixed views on the problem how teenagers get enough sleep
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最佳答案：Einstein's leading contribution of the theory of relativity is that it has chang
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最佳答案：In many public places, has installed cameras, such as shopping malls, railway st
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最佳答案：Some people think that Hunger breeds,food is to pay attention to things,eat eat,
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最佳答案：1.Do you think how is the life after 10 years like2.Since the weather tomorrow3.
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最佳答案：Along with urban constructions and planning,I am here to suggest a perspective t