妮儿1212J
changjiang river is the longest river in china and the third-longest in the world.the changjiang river is the place of origin of china.in china,there are two rivers,one is yellow river,the other is changjiang river.what can we do for the changjiang river.for example,we can protect the environment of changjiang river.we can keep the ecology of changjiang river balanced.we can also call on people who live around the changjiang river do not throw and emit rubbish that can pollute the changjiang river.only in this way can we keep the changjiang river nice and clear!虽然水平不是很高，但是符合高中生的水平。不会超过高中生的水平，也不会低于高中生的水平，希望楼主能采纳。
我叫德卢衣
1、we can"t live without water.没有水我们就不能生存。
2、Planting trees Trees are very helpful and important for us.树对我们生命是多么的.重要和有用。
3、No one can live without water or air.没有人能离开水和空气生存。
4、While some islands are rat-free, others that were visited historically by ships are now home to the invasive rodents. And rats, scientists found, dramatically reduce the health of a coral reef surrounding an infested island.虽然有些岛屿上没有老鼠，但历史上有船只造访过的岛屿现在都已成为这类入侵啮齿动物的家园。科学家们发现，在有大批老鼠出没的岛屿周围，其珊瑚礁的健康状况急剧下降。
5、To protect the environment,starts from me.保护环境,从我做起
6、But some people don"t care about it.但是有些人却不关心或不在意。
7、Without the shade from trees, Earth would get too hot to live on.没有了树荫，地球将会变得太热而不能生存。
8、Save the earth together.拯救地球,一起动手
9、The earth is to yourself.善待地球就是善待自己
10、Even worse, they pour dirty water in to rivers.更糟糕的是他们排放污水到河流里。
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