《江苏省徐州经济技术开发区高级中学高二英语译林牛津版必修五教案：Unit2 Reading（2）》由会员分享，可在线阅读，更多相关《江苏省徐州经济技术开发区高级中学高二英语译林牛津版必修五教案：Unit2 Reading（2）（6页珍藏版）》请在金锄头文库上搜索。
1、年级高二学科英语总课时11课题Reading(2)第_2_课时主备人燕晓敏上课时间2017/9/17锁定目标 找准方向备 注1. Check and enhance students reading abilities.2. Train students to gain an overall understanding of the article and learn to read a debate.自我构建 快乐无限Introduce the topic:Why should we protect our environment? Lead inOnce man did not have
2、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 conti
3、nue 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 p
4、owerful 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 wont be enough food. What can we do to sol
5、ve 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
6、 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. 合作探究 携手共进Proper questions are expected to arouse students interest in the topic.Ask Ss to skim the article and answer the following questions.Who are t
7、he three speakers?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 done to factories that pollute the environment?拓展提升 学以致用答案: ADACBExercises for the text：choose the best answer.
8、(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. Whoever pollutes the environment should be punished seriously.D. Prices for cutting down trees need to
9、 be raised.2.In the eyes of Mr.Lin, contributes to the damage of the environment.A. too much fishingB. industrial productionC. the increasing populationD. serious pollution3.There was a population of in the world in 1810.A. about one billionB. six times the size of what is nowC.6.5 billion D. not kn
10、own4.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.Qian doesnt agree to reduce the industrial production because.A. it has nothing to with pollution B. it will lead to more u
11、nemploymentC. it will have a lasting effect on human beingsD. the people running the factories are concerned about environment反馈检测 体验成功答案：56.A57.B58.C59.BIn some countries in which there is very little rain at any time,the farmers have to irrigate their fields.Irrigation is easy enough if there is a
12、 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 flood all the land near it. At other times the river water may not be enough for all the farmers, a
13、nd 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 flooding of the land. A great lake will, no doubt, be formed behind the dam, and this may mean that ho
14、uses 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 wat
15、er for irrigation; the salt will not allow the crops to grow. Fresh water is always needed, and it is very difficult and costly to make fresh water from sea water. This is done in a few countries, but the fresh water is for drinking. There is not enough at present for irrigation. Perhaps a scientist will one day invent a cheaper way of producing fresh water from the sea .If fresh water could be made cheaply, we could grow more food.56.It is easy for farmers to irrigate their fields when _.a. there is a great river near the crops
