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In morden world, It is very necessary to impruv quality of the nation. But there still are many implit behaves like wasting watre, throwing rubbish, cutting in line, spiting vi everywhere or speaking alound in publik and so on. I think those behaves are bad habbits. Something must be done to stop it. We should abey the rules in daily life. And it is our duty to protect envorinment. For example we can save a drop of water, we should plant teers as much as we can, we also can call up people join us to protect our home.