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十七、The importance of water Of all the things we eat and drink, water is the most important. We can live without food for many days, but two or three days without water, usually makes people die. However, not all of people understand this. They keep throwing rubbish into the rivers or lakes . Some factories even pour waste water into the river. As a result, many rivers and lakes have become so dirty that the water is no longer safe for people to drink . Lets do our best to keep the water clean to save ourselves . 十七、水的重要性 所有的事情我们吃的和喝的,水是最重要的。我们生活中可以没有食物了很多天,但两、三天没有水,通常会使人死。 然而,并不是所有的人理解这个。他们继续投呀投的垃圾倒入河流或湖泊。一些工厂甚至倒废水入河中。结果,许多河流和湖泊已经变得如此肮脏的水是不再安全了人们喝酒。 让我们尽力保持水的清洁来拯救自己。 | 
