英语阅读，求解，必采纳，在线等，急急急急急！！！！
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1In order to help students stay away from danger
2do warm-up exercise before playing sports and drink some water after that
3September every year
4shouldn't
5they're necessary
2do warm-up exercise before playing sports and drink some water after that
3September every year
4shouldn't
5they're necessary
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behave well and go on well with each other
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