地球,这位人类的母亲,生命的摇篮,是那么和蔼可亲,美丽壮观。但是近年来,人们对绿洲的不重视,对生态环境的破坏,我们生存的地球犹如一位生命垂危的老人,奄奄一息……地球拥有的宝贵自然资源难道是无限的吗?人们不节制地污染水资源,砍伐树木,大地就不会干枯吗?黄河断流、罗布泊干涸,一些大江大河被污染,森林乱砍滥发……这一切的一切,都是由人类造成的。科 Earth, the human mother, the cradle of life, is so amiable, beautiful and spectacular. However, in recent years, people have paid no attention to oases and destroyed the ecological environment. The earth we live in is like a dying old man dying. Is it infinite earth's precious natural resources? People uncontrolled polluting water Resources, felling trees, the earth will not dry it? The Yellow River cut off, Lop Nur dry up, some big rivers are polluted, forests indiscriminately ... ... all of this is caused by humans. Section