课题名称M5U2课型Reading课时2【学习目标】1. Check and enhance students’ reading abilities.2. Train students to gain an overall understanding of the article and learn to read a debate.【学习重点】1.How to make the students fully understand the text.2.How to get students to read a debate.【学习难点】How to make the students fully understand the text【学法指导】【知识链接】 【导学过程】（学习方式，学习内容，学习程序，问题）导学留白预习导学（10 分钟）一．课文导入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 powerful machines to cut down more and more trees. We see that if rivers are polluted with waste products, we will die. Yet, waste products are still put into rivers. We know that if the population continues to rise at the present rate, in a few years, there won＇t be enough food. What can we do to solve these problems? If we eat more vegetables and less meat, there will be more food available. Land for crops feeds five times more people than land where animals are kept. Our natural resources will last longer if we learn to recycle them. The world population will not rise so quickly if people use modern methods of birth control. Fi...
