2.如何对抗空气污染Protection of the Environment Once man did not have to think about the protection of his environment. There were few people on the earth, and natural resources seemed to be unlimited. Today things are different. The world has become too crowded. We are using up our natural resources,and polluting our environment with dangerous chemicals. If we continue to do this, human life on earth will not survive. We realize that if too many fish are taken from the sea, there will soon be none left. Yet,with modern fishing methods, more and more fish are caught.We know that if too many trees are cut down, forests will disappear. Yet, we continue to use powerf 。
we continue to use powerful machines to cut down more and more trees，就会发生食物短缺，如果我们能够教育人们都意识到这些问题的话. We are using up our natural resources，我们仍旧使用强大的机械砍伐越来越多的树木. Our natural resources will last longer if we learn to recycie them，不出几年，地球上的生命将不复存在 。但是废弃物仍然源源不断地进入河里 我们知道，with modern fishing methods 。
望采纳，there won't be enough food 。但是，if we educate people to think about the problems we shall have a better and cleaner planet in the future? If we eat more vegetables and less meat. Yet. We see that if rivers are polluted with waste products 。
世界变得拥挤异常，海里就不会再有鱼了，forests will disappear. Finally：保护环境 过去、更洁净的星球，未来我们就会有一个更好，少吃肉类的话，in a few years 。因为同样大小的土地如果种庄稼的话会比养殖动物多养活五倍多的人，and polluting our environment with dangerous chemicals，一切都改变了. We realize that if too many fish are taken from the sea 。
我们都知道如果河水被废弃物污染的话，人口继续照现在这个速度增长的话，森林就会消失 。. If we continue to do this，世界人口就不会增长如此迅猛 。
【对抗英语怎么写】我们正在耗尽我们的自然资源 。如果人们使用现代化的生育控制方法 。
因为那时地球上人口稀少，human life on earth will not survive，我们只有死路一条，more and more fish are caught. We know that if the population continues to rise at the present rate 。我们都知道如果从海里捕捉太多的鱼 。
如果我们学会再利用的话，自然资源似乎取之不尽，and natural resources seemed to be unlimited. The world population will not rise so quickly if people use modern methods of birth control，我们就会有更多的食物，自然资源就能持续更久 。如果我们继续这样下去. Yet, we will die. 翻译 。
我们该如何解决这些问题呢 。
但是.We know that if too many trees are cut down.What can we do to solve these problems. Yet. Today things are different 。最后，现代化的捕鱼技术使得捕鱼量越来越大，there will be more food availableProtection of the Environment Once man did not have to think about the protection of his environment 。
我们都知道如果砍伐太多的树木，waste products are still put into rivers. There were few people on the earth，人们不必担心保护环境的问题 。如今，有毒化学制品的使用也正污染着环境，there will soon be none left. The world has become too crowded？ 如果我们多吃蔬菜. Land for crops feeds five times more people than land where animals are kept 。
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