2019-2020年牛津译林版高中英语必修五Unit 2《The environment》（第4课时）教案.doc

2019-2020年牛津译林版高中英语必修五Unit 2The environment（第4课时）教案课题Unit 2 The environment课型复习课教学目标把握考点，规范写作重点重点词汇，句型难点规范写作教法讲授法、讨论法、探究法教学过程教 学 内 容 个案调整教师主导活动学生主体活动 Forth periodProject 1: Protecting the Yangtze RiverAs the third longest river in the world, the health of the Yangtze River has raised concern both in China and abroad. Rapid development and an increase in population have meant that the amount of water taken from the river is rising, and the waste being put back into the river has been increasing. This is not good news for the people who rely on the Yangtze River for water. Nor is it good news for the wild range of fish and wildlife that live in or along the river. Many people have recognized the importance of protecting the Yangtze River, and organizations and projects have been set up to deal with the problem. The Green River organization, for example, educates people on the importance of protecting this great river. It also watches the river and stops the illegal hunting of animals, which has put the wild animal population in danger. Two special government projects are also under way. The first project, a water and soil conservation project, was set up in 1989. This project resulted in farmers replacing their crops with trees or grass. It has already been a success because it has helped improve the local environment and the land around the river. The second project includes nature reserves for white-flag dolphins, one of the rarest animals in the world. The number of white-flag dolphins in China has dropped because of pollution in the Yangtze River. The white-flag dolphin was last seen several years ago, though scientists are still hopeful that the animal has survived. We still have a long way to go to solve all the problems in regard to the Yangtze River. However, people have finally realized that it is their responsibility to protect this great river. Because of this, the situation on the Yangtze River is improving. The efforts of the Chinese government and people to protect this much-loved river will be appreciated for years to come. Project 2: Climate change and a low-carbon lifeThere is no doubt that the world climate has been changing in recent years. Many people blame this change on gases such as carbon dioxide. Animals and humans produce carbon dioxide when they breathe. However, many other human activities also let off carbon gases. Anytime something is burnt, carbon is put into the atmosphere. Cars and other vehicles burn petrol in their engines, and electrical power plants most often burn fuels such as coal and oil in order to produce electricity. Therefore, the more petrol and electricity we consume, the more carbon we are letting off. One thing we can all do to help solve this problem is to walk or use a bicycle when possible. Although we produce carbon when we breathe, the carbon we produce is much less than that produced by a car. Of course, there are times when we need to travel long distances. In this case, public transport such as buses and the underground are always much better choices than a private car or a taxi. If you must drive a car, it is never good to travel aloneyou should try to find other people to travel with you. At home, you should use as little energy as possible. Turn off the lights and anything else electrical when not in use. Since factories use a lot of energy and also let off carbon gases, it is important to recycle as much as possible. In particular, metal products and paper products require a lot of energy to produce, so you should find ways to use these again without throwing them away. Last but not least, you can plant a tree, because trees absorb the carbon dioxide in the air to produce oxygen. Planting a small tree is cheap and easy, and two decades from now, when you look at what will have become a large tree, you will find a sense of satisfaction knowing that you did your part to help solve the problem of climate change.Step 1: Read and learn Listen to the text and grasp the general spirit of the text Language focus: 1. range n. （在一定范围或幅度内）变动，变化知识探究：(1) It is beyond the range (范围) of my ability. (2) It will encourage a greater range (种类) of animalsall of which will make life for human beings better. (3) The range (幅度) of prices was great. (4) I ranged (排列)the books on the shelf by their authors. (5) He ranges (位居) among the great poets.题练落实：A) 1. The prices of beer _ from 50 cents to $ 4 per liter during the summer season. A. ranged B. differed C. altered D. separated C) 2. The exchange program between the UK and China may affect various schools, _ from kindergartens to high schools.A. spreadingB. locating C. rangingD. including解析 range from.to.意为“在从到的范围内(波动、变化)”。句意：英国和中国之间的交流项目可能会影响各种各样的学校，从幼儿园到高中。联想拓宽：1)用作名词,意为范围;种类;幅度。 2)用作及物动词意为排列 3)用作不及物动词意为位列,并列。 beyond/ outside the range of 超出的范围in the range of 在范围内a wide / great / full range of 一系列；各种range oneself结婚安家;安身立命in / within range of 在可及的范围内；在视觉、听觉范围内out of range在视觉、听觉范围外range from A to B从A到B变动;由A延伸到Brange between A and B 在A与B范围内变化range over 涉及；包括in range在射程内 out of ones range能力达不到的;知识以外的 out of/beyond range在射程外 a low range of prices低档价位 2. appreciate vt.赏识，欣赏；感激 知识探究：I really appreciate your coming to the party. 你能来参加这次聚会我太高兴啦。We appreciate your efforts for the development of the company. 我们感谢你对公司的发展所做的努力。I would appreciate it if you could help me. 如承蒙您的帮助我将不胜感激。She shows little or no appreciation of good music.她对于好的音乐鲜有或没有欣赏的能力。题练落实：C) 1. As I will be away for at least a year, Id appreciate _ from you now and then _ me how everyone is getting along.A. hearing; tell B. to hear; tell C. hearing; telling D. to hear; to tell B) 2. Id appreciate _ if you would turn the radio down. A. thatB. it C. this D. you D. 3. -Its very kind of you to offer to help me. -I shall always _ you. A. appreciate B. thankful to C. thanks to D. be grateful to B) 4. As is known to all, Chinese arts have won the _ of a lot of people outside China. A. enjoymentB. appreciation C. entertainmentD. success解析 win the appreciation of.赢得的赞叹。联想拓宽：appreciate sth.欣赏/赏识/感激某事物 appreciate doing sth.感激做某事appreciate one/ones doing sth.感激某人做某事I would appreciate it if.如果我将不胜感激appreciation n.赏识，欣赏；感激appreciate的宾语为某种行为，不可以人作宾语。I appreciate your help. I appreciate your helping me.I am grateful to you for your help.我感激你的帮助。 3. absorb vt. (1) 吸收 (2) 并吞 (3) 使(精神)贯注 知识探究：This job absorbs all of my time. 这件工作占用了我的全部时间。 Large nations shouldnt absorb smaller ones. 大国不应当吞并小国。Dark surfaces absorb more heat from the sun. 深色的物体表面能从太阳光中吸收更多的热量。He is so clever that he can absorb the knowledge easily in class. 他很聪明，能够在课堂上轻易地吸收知识。The boy sat there, absorbed in thought. 那个男孩坐在那里，沉思着。He is absorbed in study. 他专心读书。归纳整理：1) 吸收 2) 并吞 3) be absorbed in 全神贯注在., 一心从事, 热衷于题练落实：C) 1. _ in the book, she didnt hear what I said to her at all. A. Having absorbedB. Being absorbedC. AbsorbedD. To absorbedabsorbed in . 过去分词短语作原因状语。联想拓宽：absorb sb.s attention 吸引某人注意 be absorbed by 被.吞并, 为.所吸收 写作能力培养： 假设你是高三学生李华。你刚收到你英国笔友杰克的email. 请认真阅读他的email, 根据他email中的信息用英语回复，可以适当发挥。注意：1. 词数150个左右。开头和结尾已经写好，不计入总词数。 2. 文中不得提及考生所在学校和本人姓名。Dear Li Hua,How are you doing?Our teacher asks us to do some research on senior students dream careers in different countries. Our team is interested in Chinese senior students choices. Collecting information and data is first thing now. Id appreciate it if you can tell me: (1) what your dream career is(2) why you choose this particular career(3) what you will do to achieve your goal(4) what if your dream cant come trueLooking forward to your reply.YoursJackDear Jack,Im glad that youre interested in Chinese senior students choices on dream careers. _I hope the above will be of some help to your research.Best wishes,Li HuaDear Jack,Im glad that youre interested in Chinese senior students choices on dream careers. As far as Im concerned, teaching English is my dream career. The reasons are as follows. First, I like interacting with others. Teaching serves as a bridge for me to communicate with others. Second, I have a good knowledge of English. I hope teaching English can bring me a chance to realize my full potential. Third, I like learning. Teaching is a good way for me to keep learning throughout my life.To achieve my goal, I will work even harder at English. In my spare time, I will read English newspapers, watch English movies and learn English songs. To be an English teacher, I will have to study at university. However, the entrance examination is no easy in China. I am a little weak in math and more effort will be needed for it. Besides, I will learn what makes a good teacher.If I cant realize my dream, I wont lose heart. As the saying goes, all roads need to Rome. I hope the above will be of some help to your research.Best wishes,Li Hua板书设计当堂作业课外作业教学札记