Today,there is a picture show in Wenzhou Exhibition Centre.It's a show about the pollution problem on earth.
There is air and water on the earth.There are people,animals and plants on the earth.People have lived on the earth for millions of years.Many years ago,the earthwas clean.But today,there is air pollution,water pollution and land pollution.
People are cutting down the forests.Many plantswild animals,birds and insects live there.People aie
文章是未完:People are killing animals for food and their skins.People are polluting the land,the water and the air.People must stop doing this.We must save the earth.帮忙解释下,还有几个问题
What's on the earth?
What about the earth many years ago?
What about the earth now?
Why is the earth polluted?
what must we do?