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1、课题名称课题名称M5U2课型课型Reading课时课时2【学习目标学习目标】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.【学习难点学习难点】How to mak
2、e the students fully understand the text【学法指导学法指导】 【知识链接知识链接】【导学过程导学过程】 （学习方式，学习内容，学习程序，问题）导学留白导学留白预习导学（预习导学（10 分钟）分钟）一课文导入一课文导入 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
3、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, wit
4、h 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
5、put into rivers. We know that if the population continues to rise at the present rate, in a few years, there wont 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
6、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. Finally, if we educate people to think about the problems we shall have a better and cleaner planet in the future.
7、展示展示导思导思（25 分钟分钟）Ask Ss to skim the article and answer the following questions.Who are the three speakers?课前自主学习课前自主学习课中合作探究课中合作探究What side does Mr Lin Shuiqing and Mr Qian Liwei each represent?By how many times has the worlds population increased since 1800?According to Mr Qian liwei,what should be
8、 done to factories that pollute the environment?Careful-reading1.Ask Ss to Read Lin Shuiqings debate and answer the following questions.(1)What society does Lin Shuiqing belong to?(2)What does Lin Shuiqing start his speech by talking about?(3)What is happening to large amounts of fish?What does Lin
9、Shuiqing think we should teach people about?2.Ask Ss to read Qian Liweis debate and answer the following questions.(1)Why does Qian Liwei think production should not be cut back?(2)What does Qian Liwei say we should produce more of?（3）What does Qian Liwei say we need more of?（4）What does Qian Liwei
10、say many people are willing to do?检测检测导练导练（10 分钟分钟）Exercises for the text：choose the best answer. (课文练习:选择最佳答案。)1.On which point do Mr.Lin Shuiqing and Mr.Qian Liwei agree? A. Recycling help to solve the problem between economy and environment. B .Natural resources should be made better use of. C. W
11、hoever pollutes the environment should be punished seriously. D. Prices for cutting down trees need to be raised. 2.In the eyes of Mr.Lin, contributes to the damage of the environment. A. too much fishingB. industrial production课堂自主检测课堂自主检测C. the increasing populationD. serious pollution 3.There was
12、 a population of in the world in 1810. A. about one billionB. six times the size of what is now C.6.5 billion D. not known 4.How do you understand “environmentally friendly”? A. Making friends with environment.B. Friendly to environment. C. Beneficial to environment.D. Environment is friendly. 5.Mr.
13、Qian doesnt agree to reduce the industrial production because . A. it has nothing to with pollutionB. it will lead to more unemployment C. it will have a lasting effect on human beings D. the people running the factories are concerned about environmentIn some countries in which there is very little
14、rain at any time,the farmers have to irrigate their fields.Irrigation is easy enough if there is a great river near the crops,and if there is plenty of water in it.Canals carry the river water to the fields when necessary. In some seasons there may be too much water in the river, and the water may f
15、lood all the land near it. At other times the river water may not be enough for all the farmers, and then it will be difficult to irrigate the fields. To prevent these difficulties, a dam may be built across the river. This will store water for dry seasons, and in wet seasons it will prevent the flo
16、oding of the land. A great lake will, no doubt, be formed behind the dam, and this may mean that houses and fields will be covered with water. Most people will accept that and will be ready to move to other places. Then the country can have the right amount of water at all times; more crops will be grown, there will be more food for everyone, and there will be no more floods. We cannot use sea
