[运动会演讲稿作文连续四篇每篇100字]永远为你喝彩 是谁说过， 鲜花与掌声只属于成功者。 这只是因为， 坚持就是胜利。 或许，鼓励的话说了太多太多。 但，这掌声发自我们内心。 这鲜花是我们为你送上的最好的礼物！ 请记...+阅读

Hundreds years ago,our earth was full of beautiful flowers,trees and many wild animals,the water in the lake and river is very clean.The air is clean too.people were friendly to other creature,And they were all enjoy their life.They lived together happily.

But now,there are too more tall buildings and less trees,the water in the lake and river is very dirty and people can't drink it.People cut down many trees to farm,forest gets smaller and smaller.People also

kill wild animals for its beautiful skin.Today,lots of people died because the air is too dirty,many people get sick.

We should respect the environment,and protect our earth.We should know:Protection of the environment is to protect ourselves.

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