Unit-22-Lesson-3-Natural-Disasters

1、Lesson 3 Natural Disasters(SKILLS FOCUS)(SKILLS FOCUS)北京第二十中学北京第二十中学 备课组备课组 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)

3、time. 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 f

4、ront of us.1.grand adj big and very impressive巨大的巨大的2.scale n the size or level of sth规模，大小规模，大小3.separation n the condition of being separated 分离，分开分离，分开.4.rough adj unpleasant or difficult艰难的艰难的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 sur

5、face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 破烂的破烂的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 stil

6、l remember 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 typhoonL

7、andslide Vocabulary about natural disasters tsunami 海啸海啸 typhoon 台风台风 volcanic eruption 火山喷发火山喷发 flood 洪水洪水 landslide 滑坡，山崩滑坡，山崩 hurricane 飓风飓风, 狂风狂风 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 -

8、 What 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

9、learnt 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. Rea

10、ding 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 make

11、s more people 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 wh

12、at is mentioned 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 c

13、aused by carbon dioxide & destruction of forest. Global warming E5. 难（排除法）难（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

14、it fits the sentences 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 .a)But evidence shows that 73,000 years ago there was a much greater eruption.b) Ev

15、en Europe has suffered and large areas have been under water.c)That is probably not the most important factor either .d) Third , the other bits of land you might have been able to farm are now useless.e)On top of that add global warming.f) For example , the Yellow River, once famous for flooding, fa

16、iled to reach the sea at 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 vict

17、ims of natural disasters? 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

18、? A volcanic eruption. 6. 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.

19、Why are so many disasters ? 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 fa

20、st _ of people . Inclimate 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:Pa

21、ra 5:Examples of volcanic 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

22、 disasters will get worse 1.grand adj big and very impressive巨大的巨大的2.scale n the size or level of sth规模，大小规模，大小3.separation n the condition of being separated 分离，分开分离，分开.4.rough adj unpleasant or difficult艰难的艰难的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 smoo

23、thly over a surface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 破烂的破烂的10.construct v build 建造建造 tsunami 海啸海啸 volcanic eruption 火山喷发火山喷发 typhoon 台风台风 flooding洪水洪水 landslides 滑坡，山崩滑坡，山崩 hurricane 飓风飓风, 狂风狂风 VocabularyHome

24、work1. Read the passage at least twice.2. Find and analyze the long and difficult sentences in the passage. 3. P58 & 59 Focus on Reading4. Passage 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

25、 natural disasters，esp collocations.2. Practise identifying nouns and verbs. Step 1 Guessing the new vocabulary1. Nature is turning on us.turn on sb. : attack 攻击攻击, 变得与变得与敌对敌对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 nati

26、ons have already been in armed conflict over water. (L8, Para 1) armed conflict over water/land 因水因水/土地而引起的武装冲突土地而引起的武装冲突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

27、over their separation from loved ones lost in the tsunami. (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 Collocations1. reduced rainfall 减少了的降雨量减少了的降雨量2. irrigation canals 灌溉渠道灌溉

28、渠道3. be in armed conflict over water 因水而引起的武装冲突因水而引起的武装冲突4. volcanic eruption 火山爆发火山爆发5. be a threat to sb/sth 对对构成威胁构成威胁6. recover from a tsunami 从海啸（的灾难）中恢复过来从海啸（的灾难）中恢复过来7. be fresh in the minds of people 在人们的心目中记忆犹新在人们的心目中记忆犹新8. get over their separation from loved ones lost in the tsunami 从与海啸中

29、丧失亲人的从与海啸中丧失亲人的打击中恢复过来打击中恢复过来9. construct shabby homes搭建破烂的房屋搭建破烂的房屋10. slip and slide downhill in the landslides 在山体滑坡时滑下山坡在山体滑坡时滑下山坡11.howling winds with speeds of 300 km/h 每小时每小时300公里（咆哮）的大风公里（咆哮）的大风12. live within the range of a volcanic eruptions 生活在火山喷发的范围内生活在火山喷发的范围内13. occur at random times

30、不定时发生不定时发生 14.to some degree 在某种程度上在某种程度上15.The earthquake claimed 1.6 million lives.地震夺取了地震夺取了160万人的生命。万人的生命。16.Dust rolled across the skies. 灰尘席卷天空。灰尘席卷天空。17. It reduced temperatures by 6C. 它使天气降低它使天气降低6摄氏度。摄氏度。 Step 3: OutputTask 1 Tell a natural disaster to your foreign English teacher with the

31、help of the given collocations.Topic 1: The 5.12 Wenchuan EarthquakeTopic 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 同形异义字同形异义字eg flood n洪水洪水 v淹没淹没, 使泛滥使泛滥

32、（L1) fire n 火火 v 开除开除 （L2) arm n胳膊胳膊 v 武装武装 （L8) water n水水 v 浇水浇水 （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 武装武装2.a) Heavy rains resulted in floods. b) His results were not as good as he had hoped.3. a) He me