英語(yǔ)必修2譯林牛津版unit 2教案2（home alone）

1、英語(yǔ)必修2譯林牛津版Unit 2教案2（Home alone）Period Two Home alone .Teaching Aims:Help the students learn how to identify the parts of an informal letter.Teaching Important Points:Talking about traveling and adventures.Teaching Difficult Points: Finding the clues about the writers journey.Teaching Methods:Skimmin

2、g and scanning; asking-and-answering activity.Teaching Aid: A tape recorder and a computer教師看高考閱讀理解、專題訓(xùn)練(*)、時(shí)文閱讀 技巧點(diǎn)撥時(shí)文閱讀是高考閱讀理解的考查重點(diǎn)。它所報(bào)道的都是國(guó)內(nèi)外最新的事物或趨勢(shì)，內(nèi)容新穎，語(yǔ)言地道。閱讀時(shí)文可拓寬考生視野，使考生了解國(guó)內(nèi)外大事及最新動(dòng)態(tài)，激發(fā)考生的閱讀興趣，增加考生的語(yǔ)言積累， 進(jìn)而提高考生的語(yǔ)言運(yùn)用能力，從而做到從容應(yīng)考。時(shí)文多為記敘文或說(shuō)明文，或記敘某人某物，或介紹某新生事物、科研進(jìn)展、生活時(shí)尚等。此外，廣告也可歸為時(shí)文范疇。 因此，要正確理解閱讀

3、材料，考生需靈活運(yùn)用閱讀技巧，從而準(zhǔn)確把握文章脈絡(luò)，抓住文章主旨。 活學(xué)活用閱讀下列短文，按要求完成讀寫(xiě)任務(wù)Move Earth it's no science fictionLONDON Scientists have found an unusual way to prevent our planet from overheating：move it to a cooler spot.All you have to do is send a few comets(彗星)in the direction of Earth，and its orbit(軌道)will be change

4、d.Our world will then be sent spinning into a safer，colder part of the solar system.This idea for improving our climate comes from a group of US National Aeronautics and Space Administration(NASA) engineers and American astronomers.They say their plan could add another six billion years to the usefu

5、l lifetime of our planeteffectively doubling its working life.The plan put forward by Dr Laughlin，and his colleagues Don Korycansky and Fred Adams，needs carefully directing a comet or asteroid so that it passes close by our planet and sends some of its gravitational energy to Earth.“Earth's orbi

6、tal speed would increase as a result and we would move to a higher orbit away from the Sun，” Laughlin said.Engineers would then direct their comet so that it passed close to Jupiter or Saturn.The comet would pick up energy from one of these giant planets.Later its orbit would bring it back to Earth，

7、and the process would be repeated.In the short term，the plan provides an ideal way to global warming，although the team was actually concerned with a much greater danger.The sun is certain to heat up in about a billion years and so “seriously compromise” our biosphere(生物圈) by cooking us.That's wh

8、y the group decided to try to save Earth.The plan has one or two worrying aspects，however.For a start，space engineers would have to be very careful about how they directed their asteroid or comet towards Earth.The smallest miscalculation(誤算)in orbit could fire it straight at Earthwith deadly consequ

9、ences.There is also the question of the Moon.As the current issue of Scientific American以約30詞概括文章大意_.根據(jù)短文內(nèi)容選擇最佳答案1What makes the scientists plan to move Earth?AA few comets are moving to the direction of Earth.BEarth's working life is coming to an end soon.CEarth will become too hot for mankind

10、to keep alive.DThe moon is moving farther and farther away from Earth.2If the plan is successful，Earth will have a working life of _years.A12 billion B6 billionC18 billion D24 billion3What serious problems might the plan cause according to the passage?AThe comet might hit Earth and man might lose th

11、e moon.BEarth might be moved too far away and man might be frozen to death.CThe comet might hit Jupiter or Saturn and never return to Earth.DEarth's working life might be greatly shortened.4What does the underlined word “compromise” mean?Aprovide Bbenefit Cshare Dendanger5Which of the following

12、best shows how the plan would work?參考答案The text is about a way to save the earth from overheating：to send a few comets in the direction of Earth，making the earth spin into a safer，colder part of the solar system.(35 words)1解析：從The sun is certain to heat up in about a billion years and so “seriously

13、compromise” our biosphere(生物圈) by cooking us.得知答案。答案：C 2.解析：從their plan could add another six billion years to the useful lifetime of our planeteffectively doubling its working life.得知答案。答案：A3解析：從倒數(shù)第二段的in orbit could fire it straight at Earth和最后一段的the Moon would be stripped away from Earth得知答案。答案：A

14、4.解析：從by cooking us(把我們烤熟)推知“compromise”應(yīng)為 “危害”之意。答案：D 5.解析：首先地球必須遠(yuǎn)離太陽(yáng)，后面的Later its orbit would bring it back to Earth都說(shuō)明A最好闡述了這種位置。答案：A.Teaching Procedures:Step 1 Greetings Greet the whole class as usual.Step 2 RevisionAsk one or two students to talk about their traveling experiences.Step 3 Pre-rea

15、ding Show the students some pictures on the screen.Let the students to discuss them.T: What do you think of the pictures in the media show? Have you ever been to all these places? Do you like traveling? S: Yes./ No. Step 4 Reading Task 1 Reading strategy First, have the students read the tips page 2

16、3 about reading an informal letter. Then let them Go through the letter on pages 22 & 23 .Show the following on the screen, ask student if the statements on the screen are true or false.1. Addresses are included. 2. Dates are included.3. Greetings are usually used at the beginning of the letter.

17、4. Previous information is referred to at times.5. The readers surname is addressed. 6. Jokes can be made.7. The letter is signed off with the author's surname. Suggested answers: TTTTFTFTask 2 Fast reading First, ask the students to read the letter quickly and then finish part A on Page22 and p

18、art C1 on page 24Suggested answers: TTTTFTFTask 3 Careful reading In this part, get the students to read the letter again and then work together with their partners to find the clues of the writers adventure. Then show the form on the screen and give them a few minutes to fill in the form about the

19、whole text. Check the answers with the whole class. T: Now lets read the letter again and carefully, and then fill in the form on the screen about the adventure.(The numbers of the words is within three words.)Title: 1._Starting place: 2._Starting time: 3._DestinationsMeans of transportationActiviti

20、esMoroccoBy plane4._5._6._sleeping in bagsseeing beautiful stars The River Nile Not mentioned 7._ 8._ Not mentioned seeing wild animals living with the local people Mount Kilimanjaro in TanzaniaNot mentioned 9._ HimalayasNot mentioned Total journey time length: 10._Suggested answers: 1. Adventure in

21、 Africa 2. London 3. July 15 4. the Sahara Desert 5. On camels /By camel 6. Camping in tents 7. going white-water rafting 8. Kenya 9.climbing Mount Kilimanjaro 10. Over four weeksSeveral minutes later, check the answers with the whole class. T: Please answer the following questions, and I think they

22、 are a piece of cake to you after you have understood the whole text. Show the following questions on the screen. 1. How are they going to travel through the Sahara Desert?A.on foot B. by train C. on camels D. by car2. What do they have to wear when they go white-water rafting? A. a helmet B. a life

23、 jacket. C. a helmet and a life jacket. D. It didnt say in the article3. Why Will they try to get close to the wild animals? A. they want to play with them B. they can give them something to eat.C.they want to take some good photos. D. they want to catch them4. Where are they going to climb Mount Ki

24、limanjaro?A.Himalayas B. Tanzania C.Sahara desert D. Kenya5. How do many people feel when they are climbing Mount Kilimanjaro? A. negative B.sad C.excited D. tired and sickStep 5 Post-reading Ask the students to reread the letter and complete CI, C2, on pages 24 individually. And then check the answers with the whole class. Ask the students to analyze the writing characteristi