Unit_22_Lesson_3_Natural_Disasters

1、Lesson 3 Natural Disasters(SKILLS FOCUS)(SKILLS FOCUS)北京第二十中學北京第二十中學 備課組備課組 Teaching objectives In this lesson, we will:1. practise reading strategies to complete texts with sentence gaps.2. talk about disasters with the help of the learnt vocabulary about/concerning natural disasters.Step 1: Lead i

2、n: (Lead in the topic & prepare active vocabulary for learning the passage) Today it is May X, around this time last year, an earthquake attacked Wenchuan. It was on a grand scale. Thousands of people lost their wives, children The separation from their families made them live a rough (or hard) time

3、. During the quake, houses fell down. In the mountainous area stones, bricks slip and slide downhill in the landslides. People lived in shabby houses or tents. However Sichuanese are very strong. With the help of the whole nation, they constructed their homes soon. Now a new Wenchuan stands in front

4、 of us.1.grand adj big and very impressive巨大的巨大的2.scale n the size or level of sth規(guī)模，大小規(guī)模，大小3.separation n the condition of being separated 分離，分開分離，分開.4.rough adj unpleasant or difficult艱難的艱難的5.mountainous adj having many mountains多山的多山的6.slip v fall off 滑落滑落7.slide v to move smoothly over a surface

5、滑行滑行 8.landslide n sudden fall of a lot of earth or rocks down a hill, cliff 滑坡，山崩滑坡，山崩 9.shabby adj old and in bad condition 破爛的破爛的10.construct v build 建造建造1.grand adj 2.scale n 3.separation n 4.rough adj 5.mountainous adj 6.slip v 7.slide v 8.landslide n 9.shabby adj 10.construct v Do you still re

6、member them?Do you still remember them? Step 2: Task : Learn more about Natural Disasters and their causes Besides earthquake, there are many natural disasters, can you name some? earthquake1. Brainstormingtsunami What kind of disaster is it?Flood volcanic eruption Hurricane forest fire typhoonLands

7、lide Vocabulary about natural disasters tsunami 海嘯海嘯 typhoon 臺風臺風 volcanic eruption 火山噴發(fā)火山噴發(fā) flood 洪水洪水 landslide 滑坡，山崩滑坡，山崩 hurricane 颶風颶風, 狂風狂風 Read aloud and memorize them What do you think causes the disasters, people or nature?2: Further Exploration: Read the article and check your answer - Wha

8、t causes the disasters?3: Check your prediction Both people and nature Step 2: Task : Learn to use Reading Strategies: Completing texts with sentence gaps (In lesson 3, P38, Unit 21, Module 7, we have learn the reading strategies: Sequencing of information, which are quite similar to strategies lear

9、nt in this lesson.) (Today lets study lesson 3 “ NATURE IS TURNING ON US.” and do more research into the natural disasters)Reading strategy 1 Read the text to get general idea. (2m) (When you encounter new vocabulary, skip it.) Natural disasters are getting worse because of human activities. Reading

10、 strategy 2 Read a paragraph with a sentence gap and identify the topic, e.g disasters .Para 1:Para 2:Para 3:Para 4:Para 5:An example of volcanic eruption & earthquake show their threat to our world.Causes of natural disastersUrbanization & industrialization Overpopulation in cities makes more peopl

11、e in the danger of natural disastersExperts predict that natural disasters willget worse Examples show natural disasters become common3g2f 2nd readingReading strategy 3 Read the sentences before and after the gap and look for clues about the missing sentence , e.g. is it an example of what is mentio

12、ned before?Reading strategy 4 Certain words may help you: time references (then), pronoun references (it , that ), linking words (however). namely, Scanning: Look for clues/reference words +1. Tsunamis, flooding underwater B 2. Irrigation canals, water the Yellow River F4.This has been caused by car

13、bon dioxide & destruction of forest. Global warming E5. 難（排除法）難（排除法）studies volcanoes, the worst eruption there was a much greater eruption. A References3. Population, growing at the disturbing rate overpopulation GReading strategy 5 Decide which sentence goes in the gap. Check that it fits the sent

14、ences before and after it. (Are all paragraphs coherent?)(Ex 3 P10): Use the Strategies to complete the gaps in the text (1-5) with these sentences (a-g). There are two extra sentences you do not need .But evidence shows that 73,000 years ago there was a much greater eruption.b) Even Europe has suff

15、ered and large areas have been under water.That is probably not the most important factor either .Third , the other bits of land you might have been able to farm are now useless.On top of that add global warming.f) For example , the Yellow River, once famous for flooding, failed to reach the sea at

16、all for 226 days in 1997. g) One answer is overpopulation. Keys : 1.b 2. f 3.g 4.e 5.a Step 3: Scanning (Ex 4 P11) Read the text again and answer these questions.1. What is the attitude of the journalist towards the future ? Pessimistic. 2. Who are most likely to be the victims of natural disasters?

17、 Poor people.3. Why are there now more hurricanes, floods and droughts ? Overpopulation and industrialization.4. Why are volcanoes and earthquakes more dangerous now ? A big population in cities (or urbanization)5. What could be the biggest threat to the planet in the future? A volcanic eruption. 6.

18、 What effects might this threat have? Low temperature (A freezing weather). Step 4: Text summary Fill in the blanks about the text.In the last _ years , there are more and more disasters such as _ , _, thunderstorms, earthquakes, _, volcanic _and _ fires all over the world. Why are so many disasters

19、 ? One of the reasons is over- _. ten floodstsunamistyphoons eruptions forest population_ addition, _ change and global _ caused by factories, vehicles and deforestation can lead _ the disasters or make them worse. At present, volcanoes and earthquakes are more _ with the fast _ of people . Inclimat

20、e warmingtodangerous growthEarthquakes take the lives of 1.6 million people in the last hundred years. What is worse, the disaster experts predict that the things will get _. worse Step 5:Retell the passage with the help of clues and vocabulary Para 1:Para 2:Para 3:Para 4:Para 5:Examples of volcanic

21、 eruption & earthquake show their threat to our world.One cause of natural disastersUrbanization & industrialization Overpopulation in cities makes more people in the danger of natural disastersExamples show natural disasters become commonExperts predict that natural disasters will get worse 1.grand

22、 adj big and very impressive巨大的巨大的2.scale n the size or level of sth規(guī)模，大小規(guī)模，大小3.separation n the condition of being separated 分離，分開分離，分開.4.rough adj unpleasant or difficult艱難的艱難的5.mountainous adj having many mountains多山的多山的6.slip v fall off 滑落滑落7.slide v to move smoothly over a surface滑行滑行 8.landsli

23、de n sudden fall of a lot of earth or rocks down a hill, cliff 滑坡，山崩滑坡，山崩 9.shabby adj old and in bad condition 破爛的破爛的10.construct v build 建造建造 tsunami 海嘯海嘯 volcanic eruption 火山噴發(fā)火山噴發(fā) typhoon 臺風臺風 flooding洪水洪水 landslides 滑坡，山崩滑坡，山崩 hurricane 颶風颶風, 狂風狂風 VocabularyHomeworkRead the passage at least twi

24、ce.Find and analyze the long and difficult sentences in the passage. P58 & 59 Focus on ReadingPassage A & B on the handout. Thank you! See you next class!2nd Period Teaching objectives In this lesson, we will:1. Learn and practise vocabulary about natural disasters，esp collocations.2. Practise ident

25、ifying nouns and verbs. Step 1 Guessing the new vocabulary1. Nature is turning on us.turn on sb. : attack 攻擊攻擊, 變得與變得與敵對敵對e.g. The dog turned on me and bit me in the leg. Erlang turned on Lisa, who, he thought, had deceived him.2. A number of nations have already been in armed conflict over water. (

26、L8, Para 1) armed conflict over water/land 因水因水/土地而引起的武裝沖突土地而引起的武裝沖突3.The tsunami killed 132,000 Indonesians and another 100,000 people of other nationalities. This catastrophe is still very fresh in the minds of people worldwide who have not get over their separation from loved ones lost in the tsu

27、nami. (L7, Para 2) catastrophe - a great, often sudden disaster 4. had to flee as they thought it was about to erupt.flee-to run away, as from trouble or dangerStep 2. Learn Collocationsreduced rainfall 減少了的降雨量減少了的降雨量irrigation canals 灌溉渠道灌溉渠道be in armed conflict over water 因水而引起的武裝沖突因水而引起的武裝沖突4. vo

28、lcanic eruption 火山爆發(fā)火山爆發(fā)5. be a threat to sb/sth 對對構(gòu)成威脅構(gòu)成威脅6. recover from a tsunami 從海嘯（的災(zāi)難）中恢復過來從海嘯（的災(zāi)難）中恢復過來7. be fresh in the minds of people 在人們的心目中記憶猶新在人們的心目中記憶猶新8. get over their separation from loved ones lost in the tsunami 從與海嘯中喪失親人的從與海嘯中喪失親人的打擊中恢復過來打擊中恢復過來9. construct shabby homes搭建破爛的房屋搭

29、建破爛的房屋10. slip and slide downhill in the landslides 在山體滑坡時滑下山坡在山體滑坡時滑下山坡11.howling winds with speeds of 300 km/h 每小時每小時300公里（咆哮）的大風公里（咆哮）的大風12. live within the range of a volcanic eruptions 生活在火山噴發(fā)的范圍內(nèi)生活在火山噴發(fā)的范圍內(nèi)13. occur at random times 不定時發(fā)生不定時發(fā)生 14.to some degree 在某種程度上在某種程度上15.The earthquake cla

30、imed 1.6 million lives.地震奪取了地震奪取了160萬人的生命。萬人的生命。16.Dust rolled across the skies. 灰塵席卷天空。灰塵席卷天空。17. It reduced temperatures by 6C. 它使天氣降低它使天氣降低6攝氏度。攝氏度。 Step 3: OutputTask 1 Tell a natural disaster to your foreign English teacher with the help of the given collocations.Topic 1: The 5.12 Wenchuan Eart

31、hquakeTopic 2: The 1998 Flood in South ChinaTopic 3: An imaginary disaster in 20XXMake your presentation Step 4 Vocabulary learning strategy-enlarge your vocabulary via learning homograph 5hCmEurB:f 同形異義字同形異義字eg flood n洪水洪水 v淹沒淹沒, 使泛濫使泛濫 （L1) fire n 火火 v 開除開除 （L2) arm n胳膊胳膊 v 武裝武裝 （L8) water n水水 v 澆

32、水澆水 （L9) -Can you find more just in the passage? Practise identifying nouns and verbsEx5: Decide if the underlined words in the sentences below are nouns or verbs. Then write down their Chinese meanings.1. a) She put her arms around me to comfort me. b) The soldiers were armed with guns.noun 手臂手臂 verb 武裝武裝2.a) Heavy rains resulted in floods. b) His results were not as good as he had hoped.3. a) He means wel