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1、Unit 4 Global warming 教学设计第6课时Period 6 Summing Up, Learning Tip andAssessment一、教学内容分析This is the last teaching period of this unit, so the emphasis should be placed on going over and summarizing what has been learned in this unit. It includes the following parts: Summing Up, Learning Tip, Checking Y
2、ourself and some other consolidation exercises.Summing Up summarizes the whole unit from the aspects of topics and vocabulary and grammar. The teacher can first use this part to let students sum up what they have learned in this unit and then let them find out what they cant understand very well.Lea
3、rning Tip gives students instructions on which kind of nouns begin with a capital letter. Let the students think about what they already know about the rules and what new information they will find.Checking Yourself on Page 68 in the Workbook aims at encouraging students to make a self-assessment af
4、ter they finish learning this unit. It is very important to improve their learning. Of course, a testing assessment is also needed.In this period, the teacher can also provide more practice to consolidate what students have learned in this unit.二、三维目标设计Knowledge and skills1. To get students to maste
5、r all the useful new words and expressions in this unit.2. To have students understand the new grammar item the use of better, and enable them to use the sentence patterns correctly.3. To develop the students* ability to use the important language points in this unit.Process and methodsDesign some a
6、dditional exercises for students to do in order that they can learn to use and grasp all the contents.Emotion, attitude and value1. To encourage students to learn more about global warming and environmental protection.2. To inspire the students to think up more effective measures to prevent global w
7、arming.三、教学重、难点Using what they have learned in this unit to solve real problems.四、教学过程Step 1 Revision1. Check the homework exercises.2. Dictate some useful new words and expressions in this unit.Step 2 Lead-inAsk lhe students to turn to Page 32.Think about what they have learned in this unit and tic
8、k the boxes to see how well they have learned them.Step 3 Summing upFive minutes for the students to summarize what they have learned in this unit by themselves. Then check and explain something where necessary.Suggested answers:Write down what you have learned about global warming:(Students answers
9、 may vary.)The temperature of the earth rose about one degree Fahrenheit during the 20th century. It is human activity that has caused this global warming. All scientists subscribe to the view that the increase in the earths temperature is due to the burning of fossil fuels. Some byproducts of this
10、process are called greenhouse gases, which trap heat and warm the earth. Without the greenhouse effect, the earth would be cooler than it is. But scientists dont agree with each other on the effects of global warming. Some think it will be a disaster, but some others think its a good thing and we ca
11、n do nothing to prevent the trend. By reading the second passage, we also know some easy and effective measures we can take to deal with global warming.From this unit you have also learned:Some useful words: tend, oppose, state, glance, quantity, range, tendency, circumstance, opposed, steady, wides
12、pread, average, consume, subscribe, advocate, refresh, graph, phenomenon, fuel, data, trend, catastrophe, flood, consequence, existence, commitment, pollution, growth, motor, can, micro wave, educator, contribution, presentation, disagreement, random, mild, outer, electrical, casual, nuclear, perSom
13、e useful expressions: come about, subscribe to, quantities of, go up, result in, be opposed to, even if, keep on, on the whole, on behalf of, put up with, so long as, and so on, greenhouse effectNew grammar item: the use of ithow to use it for emphasis in a sentence.Functional items: how to express
14、agreement and disagreement, blame and complaint.Step 4 PracticeShow the exercises on the screen or give out exercise papers.Part 1 Vocabulary1. Researchers cliving conditions in London with those in other places.2. Their prices are low cto those in other shops.3.1 dont think anybody mto her apart fr
15、om herself.4. He prefers qto quality when food is concerned.5. The dwe have collected are not enough to be convincing.6. Everything was in a sof disorder.7. What is the arainfall for August in your country?8. Each iboy in the class has his own personalities.9. We have been having a few ain the commi
16、ttee lately.10. They were pin the history of music.11. As a cof being in hospital, Shelly decided that she wanted to become a nurse.12. A doctor has the tDr in front of his name.13. The number of the children in the school has dby 500 this year.14. The cooker isnt working because of an efault.15. Th
17、e food was cold and the guests quarreledthe whole dinner was ac.Part 2 Useful phrases1. 在20世纪期间2. 导致3. 另_方面4. 通过燃烧化石燃料5. 大量的6. 忍受污染7. 有关系，有影响8. 大体上，基本上9. 高达5摄氏度10. 发生Part 3 Complete the following sentences according to the texts.1. An energy source is renewable when supplies of it never.2. It is a r
18、apid increase.3. There isthat the earth is becoming warming but there iswhether it ishas caused this global warming or whether it is.4. the greenhouse effect, the earthabout thirty-threedegrees Celsius.5. Theof carbon dioxide that more heat energy istrapped in the atmospherethe.6. It wasCharles Keel
19、ingmadethe amount of carbon dioxide in the atmosphere from 1957 to 1997.7. They also believethe burning of more and more fossil fuelsthat isthis increase in carbon dioxide.8. There are some very different among scientists 9. Sometimes I feel thatcant have anyhugeproblems.1(). Finally and most, talky
20、our family and friendsglobalwarming and tell them what you have learned.11. Remember一your.Part 4 Multiple choice1. Is itto you that the government is having a hard time now?A. of much importantB. of much consequenceC. of very importanceD. of much consequent2. Something must be done tothe river from.
21、A. stop; being pollutedB. stop; pollutingC. prevent; pollutionD. keep; polluted3. Therequantities of apples in the basket and there wasmilk inthe bucket.A. were; a number ofB. was; quantities ofC. was; a good manyD. were; a quantity of4. we get good weather it will be a successful holiday. Which is
22、wrong?A. So long asB. Provided thatC. So longD. On condition that5. 一Go for a picnic this weekend, OK? .1 love getting close to nature.A. I dont think soB. I believe notC. I couldnt agree moreD. I am afraid not6. 一Now, where is my purse? ! We will be late for the picnic.A. Come onC. Take your timeB.
23、 Dont worryD. Take it easy7. It was not until 1999regular radio broadcast began.A. whileB. whichC. thatD. since8. Can it be in the restaurantwe had dinner last Sundayyou leftyour wallet?A. where; whereB. where; thatD. that; thatC. that; where9. 一Whats the matter with you?the window, my finger was cu
24、t unexpectedly.B. To cleanA. CleaningC. While cleaningC. While cleaningD. While I was cleaning10. The other day, my brother drove his car down the street atI thoughtwas a dangerous speed.A. asB. whichC. thereD. whatSuggested answers:Part 1 Vocabulary1. compared 2. com pared3. matters 4.quantity5.dat
25、a 6.statc 7. a verage8.individual9.agreementslO.phenomena11 .consequence12.title13.decreased 14.electrical15.catastrophePart 2 Useful phrasesother hand 4.through the1. during the 19th century 2.lead to 3.on the burning of fossil fuels/by burning fossil fuels 5.a great deal of7scores of 6.put up with
26、 the pollution7. make a difference 8.on the whole 9.as much as five degrees Cclsius(5 C)come aboutPart 3 Complete the following sentences according to the texts.1. run out pared to most natural changes 3.no doubt; fierce debate over; human activity that; just a natural phenomenon 4.Without; would be
27、; cooler than it is 5.increased amount; means; causing; global temperature to go up 6.a scientistcalled; who; accurate measurements of 7.it is; resulting in 8.attitudes; towards this issue 9.individuals; effect on such; environmental lO.importantly; with; about 11 .contribution countsPart 4 Multiple
28、 choice1 5 BADCC 61() ACBDDStep 5 Learning tipAsk the students to turn to Page 32.Read through the passage and make sure they understand it. Encourage them to do as the passage tells because if they are doing so they will be teaching themselves a useful way of using English words.Step 6 Assessment1.
29、 Checking yourself(on Page 68 in the Workbook)First get the students to think about these questions individually. Then they can discuss in groups sharing their experience. The teacher can join in and give them advice and suggestions where necessary.2. Testing assessmentMultiple choice1. with the siz
30、e of the whole earth, the biggest ocean does not seem bigat all.A. CompareB. When comparingC. ComparingD. When compared2. Please tell me how the accident.1 am still in the dark.A. came byB. came outC. came toD. came about3. The accidentthe death of two passengers.A. resulted fromB. resulted inC. res
31、ulted ofD. resulted with4. It is in the west of Chinathere is no doubtit is going to raintomorrow.B. that; thatD. where; thatA. where; whetherC. that; whetherlanding on the5. It was 1969 the American astronauts succeeded in moon.A. thatB. whenC. on whichD. which6. It wasback home after the experimen
32、t.A. not until midnight did he goB. until midnight that he didnt goC. not until midnight that he wentD. until midnight when he didnt go7. Theres some doubthell keep his promise.A. whetherB. ifC. thatD. which8. Theparents were allfor the childrens safety.A. concerned; concernedB. concerned; concernin
33、gC. concerning; concerningD. concerning; concerned9. The students agesA.rangeC. range from10. The students agesA.rangeC. range from15 to 18.B. rangedD. ranges from10. , well go camping.A. Weather permitsC. Weather permitting11. , well go camping.A. Weather permitsCI. Weather permittingB. If weather
34、will permitD. Weather permitted11. , we would have not finished the work on time.A. If you didnt help usC. Without youB. Without your helpD. With your help12. I will not come here tomorrow.to me, because I dont care.A. It doesnt make any differenceB. It makes much differenceC. It doesnt make no diff
35、erenceD. It makes a difference13. You can go out,you promise lo be back before 11 oclock.A. as far asB. so far asC. whenD. as/so long as14. 一I apologize for not being able to join you for dinner.Well get together later.A. Go aheadB. Not to worryC. Thats rightD. Dont mention it15. Christmas is special holiday when whole family aresupposed to get together.A. the; theB. a; aC. the; aD. a; theSuggested answers: 1 5 DDBBB 6 10 CAACC 11 15 BADBDStep 7 Homework1. Finish off the Workbook exercises.2. Review and summarize what you have learned in Unit 4.Step 8 Reflection after teaching