人教新课标高一英语必修2 Unit4全单元教案

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1、1Unit 4 Wildlife protection教材分析本单元的中心话题是“野生动物保护” 。 I 教学内容分析Warming Up 部分通过图文的形式展现了中国在野生动物保护上所作出的努力以及所取得的显著成效，从而让学生体会到野生动物保护的重要性和紧迫性。Pre-reading 部分实际上包括两项任务。一是通过两个问题引导学生列举出除熊猫、麋鹿和华南虎以外的其它濒危动物，思考这些动物灭绝的原因，从而很自然地将学生从“热身”部分的讨论过渡到“阅读”部分的学习。二是通过看图和读标题预测正文部分的内容大意，然后迅速浏览全文来检验自己的预测是否准确。Reading 部分通过讲述一个女孩的梦中经

2、历，向读者介绍了三种野生动物在西藏、津巴布韦和热带雨林的境遇，引起学生保护野生动物的责任感。Comprehending 旨在通过对文中要点的设问和表格，使学生充分理解课文，进一步意识到野生动物的困境和加强对野生动物保护的重要性的认识。Using Language 部分通过恐龙的灭绝使学生进一步意识到野生动物保护的重要性和紧迫性。通过听渡渡鸟的录音进一步加强学生保护野生动物的责任感。Learning Tip 部分向学生提供了词汇学习方面的建议根据上下文推测词义，根据拼写猜测读音，最后通过查字典检查读音和意思的正确与否。II 教学重点与难点1. 教学重点 ：（1）本单元的生词和短语；（2）要求学生

3、能表述野生动物保护的重要性；（3）要求学生掌握并能正确运用现在进行时的被动语态结构；（4）熟练运用英语来表达自己的意志和目的，并能恰当的表示歉意。2. 教学难点： （1）指导学生按类别归纳整理词汇，让学生学会有效的记忆词汇的方法；（2）引导学生发现本单元重点语言结构，让学生自己发现并感悟相关的语言规律， 培养他们的语感。III 教学计划本单元分五课时：第一、二课时 Warming Up, Pre-reading, Reading, Comprehending第三 课时 Learning about Language 第四课时 Using Language第五课时 Speaking and Wr

4、itingIV 教学步骤Period 1 &2 Warming Up, Pre-reading, Reading, ComprehendingTeaching Goals: 1. To talk about endangered species 2. To read about and understand wildlife protectionTeaching Procedures:Step 1. Warming Up Purpose: To activate Ss and arouse them to talk about endangered species.1. Leading-inT

5、he title of this unit is wildlife protection and we all know that there are many endangered species 2in the world. Now class, which animals are in danger? Name as many wild animals as you can.2. IntroductionLook at the animals on page 25.We are very familiar with the giant panda，milu deer and south

6、China tiger. The giant panda lives in mountainous regions, like Sichuan and Tibet. The giant panda is a symbol of the World Wildlife Fund, a conservation organization. Toward the latter half of the 20th century, the panda also became women what a national emblem for China, and is now used in Chinese

7、 gold coins. Milu deer has a long tail, wide hooves and branched antlers. Another Chinese name for it is “four unlikes“ because the animals we seen as having the horns of a stag, the neck of a camel, the foot of a cow, and the tail of an ass. A tiger is a large cat famous for its beautiful fur of or

8、ange striped with black. Tigers lives in Asia and are becoming very rare. This is due to people hunting them for their fur and destroying the forests they live in.Step 2. Pre-readingPurpose: Activate Ss interest about wildlife protection.1. From the form on Page 25, we can see their problems. Answer

9、 the following questions.(1)Why are they in danger, class?Suggested Answer: Some wild animals are dying out because of the loss of food, their habitats being destroyed or over hunting.(2)What measures have been taken to protect these endangered species and what achievements have we achieved?Suggeste

10、d Answer: China has set up some National Natural Protection Zones, such as Wolong Nature Reserve, Sichuan for pandas, Nanhaizi Milu Park for Milu deer, and Baishanzu National Natural Protection Zone, Zhejiang for South China tigers. Things have changed greatly. The number of the wild animals in the

11、protection zones has increased. The number of pandas, which nearly disappeared years ago, has now risen to about 70, the number of milu deer to about 500, and the number of South China tigers about 60.(3)Why should we protect wildlife?Suggested Answer: Wildlife is our friends. They can keep the bala

12、nce of nature and make the whole world colorful. To protect wildlife is to protect ourselves.（4）What do you think we should do to protect wildlife?Suggested Answer: We should treat plants and animals the same as our friends and relatives. We shouldnt cut or kill them freely. We should protect the en

13、vironment around us to let them have enough food and good living conditions. We should collect money to protect the endangered animals, too.2. Let Ss talk as much about wildlife protection as possible.Step 3. ReadingPurpose: To lead Ss to the topic of this unit and understand more about wildlife pro

14、tection.1. Listening Purpose: To get a brief understanding of the text.To train Ss listening ability. (1) Listen to the tape and try to keep pace with the native speaker in speed, in intonation and in pronunciation.3(2) Ask Ss to find the writing type and the main idea of the text Suggested Answers:

15、 The writing type: a piece of narrative writing.The main idea: Daisy went by a flying chair to Tibet, Zimbabwe and a certain thick rain forest to visit endangered animals, which made her know a lot about some destructive as well as protection behaviors that people had done to wildlife.2. Scanningpur

16、pose: To get Ss to have some details in the text. Leading-inSince we know the importance of the wildlife protection, we should try our best to protect wildlife. Ok, lets see how a girl named Daisy learned to protect wildlife. Lets turn to page 26.Our reading part: How Daisy learned to help wildlife.

17、(2) Read the text and answer the following questions. Which animal is being protected? (the elephant in Zimbabwe) Which animal is likely to disappear altogether?(the antelope in Tibet) Which animal is unhappy with the way humans are dealing with environmental problems?(the monkey in thick rain fores

18、t)(3) Read the text again and answer the questions on Page 27.Suggested Answers: Its fur is being used to make sweaters. As the sweaters become popular, more and more animals are killed. So very few antelopes are left. The farmers stopped killing the elephants, so the numbers increased. The governme

19、nt helps the farmers. It makes sure that the tour companies pay the farmers when tourists come to visit and hunt a few animals. Looking after the rainforest helps protect plants and animals we know nothing about. They may make it possible for us to produce medicines and drugs that we dont yet know a

20、bout. Students answers vary.(4) Further readingPurpose: To get Ss to get more details about the text.1. Read paragraph one and answer the question.Why are we humans part of this problem? Suggested Answer: People who buy sweaters made with Tibetan wool are encouraging more people to go out and kill t

21、he animals.2. Read paragraph two, three and answer the questionHow did life improve for the farmers in Zimbabwe and how did it improve for the animals? Suggested Answer: The farmers got money when the government made sure that the tour companies had to pay them to visit and hunt the animals. And the

22、 animals were no longer killed by the farmers for destroying the crops.)3. Read paragraph four, five and answer the questionIn what ways does looking after the rain forest help with wildlife protection?Suggested Answer: Looking after the rain forest helps wildlife protection because it is where wild

23、life lives. It also 4contains many medicines and drugs may yet save lives.Step 4. Reading and underliningPurpose: To train Ss language capacity.1. Ss are to read and underline all the useful expressions or collocations in the passage. Copy them to your notebook.2. List the collocations from How Dais

24、y learned to help wildlife.Not long ago, wake up, findby ones side, a flying chair, get dressed, put on ones jeans, fly away to, turn around, with a sad face, use to make, kill for, takefrom under, take ones picture, become endangered, destroy the farm, take photos, apply to, hunt for, make money fo

25、r, as a result, in thick rain forest, protectfrom, rubover, a powerful drug, pay attention to, takehome.Step 5. SummaryPurpose: To train Ss summarizing ability.1. Let Ss read the text again and divide the text into three parts.Suggested Answer:The first part: paragraph 1.The second part: paragraph 2

26、 and 3.The third part: paragraph 4 and 5.2. Let Ss find the main idea for each part.Suggested Answer:Part 1: Daisy flew in a wonderful chair to Tibet and found that antelopes were in danger. They were killed for the fur to make sweater.Part 2: Daisy flew to Zimbabwe and found that the wild animals w

27、ere well protected by paying farmers to visit animals.Part 3: Daisy flew to the rain forest. Talking with a monkey, she got to know that rain forests should be protected, for they are the source of many medicines and drugs. Step 6. Closing down1. The teacher summarize the text.One day, Daisy dreamed

28、 a strange dream. She flew in a wonderful chair to talk with an antelop in Tibet. The antelope told her they were hunted because of their fur, which can be used to make sweater like hers. In three years they may all be gone. Later, she flew to Zimbabwe where she talked with an elephant and got to kn

29、ow the farmers there no longer hunted them. Thats because the government decided to help and the farmers finally made a lot of money. At last she arrived at the thick rain forest where a monkey told her “No rain forest, no animals and no drugs.” Although finally everything was gone, she had learned

30、so much.2. Homework(1) Let Ss listen to the tape and follow in a low voice.(2) Ask Ss to preview Learning about Language.Period 3 Learning about languageTeaching Goals: 1.To learn about The Present Progressive Passive voice2. To discover useful words and expressions3. To discover useful structuresTe

31、aching Procedures:Step 1. Practice5Turn to Page 28 and do Ex1, Ex2 and Ex3. You can simply write your answers in the blanks on the book.Suggested Answers:Ex1: (1)distant (2) decrease (3) powerful (4) affect (5) appreciate (6) hunt(7) protect from (8) respond (9)reliefEx2: wild, reserve, hunt, specie

32、s, powerful, appreciated, relief, protectingfromEx3: Places: habitat protection zone reserve animal park nature park safari parkEndangered species: South China tiger panda tropical rainforest wildlife Milu deerTibetan antelope African elephantsSituation: die out extinct extinction appreciate the imp

33、ortance Pay attention to wildlife protection punish the hunters in reliefIn peace decrease decline threaten protectfromProtection increase loss endanger hunted killed Threatened do harm to affectStep 2. Grammar1. The introduction about the passive voice and the present progressive passive voiceThe p

34、assive voice is used when focusing on the person or thing affected by an action. The passive voice is formed: passive subject +to be + past participle. It is often used in business and in other areas where the object of the action is more important than those who perform the action. For example, We

35、have produced over 20 different models in the past two years.Over20 different models have been produced in the past two years.If the agent (the performer of the action) is important, use “by”. For example, Tim Wilson wrote The Flight To Brunswick in 1987.The Flight To Brunswick was written in 1987 b

36、y Tim Wilson.Only verbs that take an object can be used in the passive.The present progressive passive voice is formed: is/are/am +being done.2. Let Ss find some sentences of the above kind in the text and do some exercises.Purpose: To make Ss further understand the structure of the sentence pattern

37、.(1) Suggested sentencesOur fur is being used to make sweaters like yours.Daisy turned round and saw she was being watched by an excited elephant.(2) Exercise The Tibetan antelope _(hunt) by people who wish to take the fur from under their stomachs. The rhino _(study)Beijing University students. The

38、 African elephant _(protect)by the WWF. The panda _(photograph) by Daisy. The whales _ (kill)by Japanese fishermen. The mice _(attack)by the cat.Suggested Answers: is being hunted is being studied by is being protected is being photographed are being killed are being attacked.63. ConsolidationThe fo

39、llowing chart includes sentences changed from the active voice to the passive voice. Ask Ss to read the chart carefully and ask if they have any questions.Active Passive Time ReferenceThey make Fords in Cologne Fords are made in Cologne. Present SimpleSusan is cooking dinner Dinner is being cooked b

40、y Susan.Present ContinuousJames Joy wrote Dubliners. Dubliners was written by James Joyces.Past SimpleThey were painting the house when I arrived.The house was being painted when I arrived.Past ContinuousThey have produced over 20 models in the past two years.Over 20 models have been produced in the

41、 past two years.Present PerfectThey are going to build a new factory in Portland.A new factory is being built in Portland.Future Intention with Going toI will finish it tomorrow. It will be finished tomorrow. Future SimpleStep 3. Passive Verb FormationPurpose: To make Ss further understand the passi

42、ve forms of a verb in various tenses1. IntroductionThe passive forms of a verb are created by combining a form of the “to be verb” with the past participle of the main verb. Other helping verbs are also sometimes present: “The measure could have been killed in committee.” The passive can be used, al

43、so, in various tenses. 2. ConsolidationAsk Ss to take a look at the passive forms of “design”.Tense Subject Auxiliary Past ParticipleSingular Plural designed.Present The car/cars is are designed.Present perfect The car/cars has been have been designed.Past The car/cars was were designed.Past perfect

44、 The car/cars had been had been designed.Future The car/cars will be will be designed.Future perfect The car/cars will have been will have been designed.Present ProgressiveThe car/cars is being are being designed.Past progressive The car/cars was being were being designed.3. ExerciseTry to put the f

45、ollowing sentences into the present progressive passive voice.(1) They are producing this new drug.(2) Antelope is looking at her.(3) They are killing us for the wool.(4) They are destroying the farm.7Suggested Answers:(1) This new drug is being produced.(2) She is being looked by the antelope.(3) W

46、e are being killed for the wool.(4) The farm is being destroyed by them.Period 4 Reading and Listening (Using Language)Teaching Goals: 1. To read and listen about dinosaurs.2. To talk about helping the dodo.3. To write to the dodo.Teaching ProceduresStep 1. Warming Up Purpose: To get a brief underst

47、anding of the text.To improve Ss listening ability. 1. Listening Lets warm up by reading the text about dinosaurs on page 30 and find the main idea of the text. Suggested Answer:Main idea: The development of dinosaurs.2. Group workDivide Ss into 4 groups and ask each group to talk about what they kn

48、ow about dinosaurs.3. In formation about Dinosaur8Dinosaur means terrible lizard in Latin. They were called that because people used to think dinosaurs were lizards, but they were not. Dinosaurs first appeared about 200 million years ago. 65 million years ago, many kinds of dinosaurs became extinct.

49、 Birds are a special type of dinosaur and they were the only kind to live until today.There were many kinds of dinosaurs. Some ate plants and some ate meat. The largest dinosaurs were plant-eaters like apatosaurus and brachiosaurus. They were the largest animals to ever walk on dry land.Other plant-eaters had special weap