河南省洛阳市宜阳县第一高级中学高中英语选修八 UNIT23 LESSON 3 NATURAL DISASTERS （SKILLS FOCUS） .doc

1、Lesson 3 Natural Disasters (SKILLS FOCUS)Teaching objectivesIn 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 in: Today it is May X, around this

2、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. During the quake, houses fell down. In the mountainous area stones, bricks slip and slide downhill in the

3、 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 of us.New vocabulary 1.grand adj big and very impressive巨大的 2 .scale n the size or level of sth规模，大小 3.sep

4、aration n the condition of being separated 分离，分开. 4.rough adj unpleasant or difficult艰难的 5.mountainous adj having many mountains多山的 6.slip v fall off 滑落 7.slide v to move smoothly over a surface滑行 8.landslide n sudden fall of a lot of earth or rocks down a hill, cliff 滑坡，山崩 9.shabby adj old and in b

5、ad condition 破烂的 10.construct v build 建造Step 2: Task : 1. Learn more about Natural Disasters and their causesThere are many natural disasters, can you name some? tsunami 海啸 typhoon 台风 volcanic eruption 火山喷发 flood 洪水 landslide 滑坡，山崩 hurricane 飓风, 狂风2: Further ExplorationWhat do you think causes the d

6、isasters, people or nature?3: Check your prediction Read the article and check your answer . What causes the disasters? (Both people and nature)Step 3: Task : Learn to use Reading Strategies: Completing texts with sentence gaps Ex 3: Use the Strategies to complete the gaps in the text (1-5) with the

7、se 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) Even 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 la

8、nd 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, failed 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 4: scanning Ex3 Read the text a

9、gain and answer these questions.Step 5: Text summary Fill in the blanks about the textStep 6: Retell the passage with the help of clues and vocabulary Homework1. Read the passage at least twice.2. Find and analyze the long and difficult sentences in the passage. 3. P58 & 59 Focus on Reading4. Passag

10、e A & B on the handout2nd PeriodTeaching objectivesIn this lesson, we will:1. Learn and practise vocabulary about natural disasters，esp collocations.2. Practise identifying nouns and verbs.Step 1 Guessing the new vocabulary1. Nature is turning on usturn on sb. : attack 攻击, 变得与敌对e.g. The dog turned o

11、n 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. (L8, Para 1)armed conflict over water/land 因水/土地而引起的武装冲突3.The tsunami killed 132,000 Indonesians and another 100,000 people of other nationaliti

12、es. 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 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 dan

13、gerStep 2. Learn Collocations1. reduced rainfall 减少了的降雨量2. irrigation canals 灌溉渠道3. be in armed conflict over water 因水而引起的武装冲突4. volcanic eruption 火山爆发5. be a threat to sb/sth 对构成威胁6. recover from a tsunami 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8. get over their separation from

14、loved ones lost in the tsunami 从与海啸中丧失亲人的打击中恢复过来9. construct shabby homes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11.howling winds with speeds of 300 km/h 每小时300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13. occur at random times 不定时发生 14.to some degr

15、ee 在某种程度上15.The earthquake claimed 1.6 million lives.地震夺取了160万人的生命。16.Dust rolled across the skies. 灰尘席卷天空。17. It reduced temperatures by 6C. 它使天气降低6摄氏度。Step 3: OutputTask : Tell a natural disaster to your foreign English teacher with the help of the given collocations.Topic 1: The 5.12 Wenchuan Ear

16、thquakeTopic 2: The 1998 Flood in South ChinaTopic 3: An imaginary disaster in 20XXStep 4 Vocabulary learning strategy -enlarge your vocabulary via learning homographeg flood n洪水 v淹没, 使泛滥 （L1) fire n 火 v 开除 （L2) arm n胳膊 v 武装 （L8) water n水 v 浇水 （L9) -Can you find more just in the passage? Practise Ex

17、5: Decide if the underlined words in the sentences below are nouns or verbs. Then write down their Chinese meanings.Ex 6: Complete the sentences with the correct forms of the words aboveHomework1. Write a short passage about a natural disaster. 5-8 sentences will be enough.2. P56 EX 13 Ex 4, 5 are more challenging.