廣東省佛山市三水區(qū)華僑中學(xué)高中英語(yǔ) Unit22 Environmental Protection Period 1　Reading Comprehension導(dǎo)學(xué)案 北師大版選修8

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1、 Unit22 Environmental Protection Period 1　Reading Comprehension Unit 22 Environmental Protection Lesson3 Natural Disasters Period 1　Reading Comprehension Step1:Learning Aims（學(xué)習(xí)目標(biāo)）: 1.To learn about some natural disasters. 2.To practice students' reading skills — fast reading and careful

2、 reading. Important and Difficult Points（重難點(diǎn)）: To improve students’ reading skills. Step2:Lead-in（情景導(dǎo)入） Let’s appreciate some pictures together. Step3: Preview detection(檢查預(yù)習(xí)) Use the strategies to complete the gaps in the text(1-5)with these sentences(a-g). There are two extra sentences you

3、 do not need. But evidence shows that 73.000years ago there was a much greater eruption. (b) Even Europe has suffered and large areas have been underwaer. (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

4、. (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. Step4:Self-study(學(xué)生自學(xué)) Read the text again and answer these questions. 1.What is the attitude of the jo

5、urnalist towards the future? 2.Who are most likely to be the victims of natural disasters? 3.Why are there now more hurricanes, floods and droughts? 4.Why are volcanoes and earthquakes more dangerous now? 5.What could be the biggest threat to the planet in the future? 6.What effects might this

6、threat have? Step5: Group-work(合作探究) 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 ? One of the reasons is over- __________.__ addition, ____

7、__ change and the spectre of global ________ caused by the mismanagement of the world’s resources can lead to the disasters or make them worse. At present, volcanoes and earthquakes are more _________ with the fast ______ of people . Earthquakes take the lives of 1.6 million People in the last hund

8、red years. What is worse, the disaster professionals predict that the things will get _____. Step6: Test(當(dāng)堂檢測(cè)) Important phrases 1. on record 2. result in 3. wipe out 4. turn on 5. at the rate of 6. quantities of 7. for instance 8. within the range of 9. at risk 10. to some degree 11.

9、on top of … Step7: Summary(課堂小結(jié)) Ask one or more students to summarize what you have learned today. Rewarding. Step8: Homework(課后作業(yè)) Read the text fluently. Master the words and phrases learned . Translate the text and find out important and difficult sentences. 答案 檢查預(yù)習(xí) 1-5.bfge

10、a 自主學(xué)習(xí) 1. Pessimistic 2. Poor people 3. Overpopulation and mismanagement of the world’s resources 4. Because half the world’s population lives in cities within range of volcanic eruptions and earthquakes 5. A volcanic eruption 6. It might send the planet into winter for years

11、合作探究 1. ten 2. floods 3. tsunamis4. typhoons5. eruptions6. forest7. population 8. In9. climate10. warming 11. dangerous 12. growth13. worse 當(dāng)堂檢測(cè) 1. 記載下來(lái)的，有記錄的2. 產(chǎn)生…結(jié)果，導(dǎo)致 區(qū)別于 result from 3. 消除，毀滅4. 打開(kāi)，攻擊，襲擊5. 以…速度 at the speed of6. 大量 a quantity of7. for example 8. 在…范圍內(nèi)9. 有危險(xiǎn)，冒險(xiǎn)10. 在某種程度上說(shuō)11. in addition - 2 -