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1、Unit22 Environmental Protection Period 1Reading ComprehensionUnit 22 Environmental Protection Lesson3 Natural DisastersPeriod 1Reading ComprehensionStep1:Learning Aims(學習目標):1.To learn about some natural disasters.2.To practice students' reading skills fast reading and careful reading. Important
2、 and Difficult Points(重難點):To improve students reading skills. Step2:Lead-in(情景導入)Lets appreciate some pictures together.Step3: Preview detection(檢查預習)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 t
3、hat 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.(e) On top of that, add global warming.(
4、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(學生自學)Read the text again and answer these questions.1.What is the attitude of the journalist towards the future?2.Who are most likely to be
5、 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 threat have?Step5: Group-work(合作探究)In the last _ years , there ar
6、e 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, _ change and the spectre of global _ caused by the mismanagement of the worlds resources can lead to the disasters or
7、 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 hundred years. What is worse, the disaster professionals predict that the things will get _.Step6: Test(當堂檢測)Important phrases1. on record 2. res
8、ult 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. on top of Step7: Summary(課堂小結)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 w
9、ords and phrases learned .Translate the text and find out important and difficult sentences.答案檢查預習1-5.bfgea 自主學習1. Pessimistic 2. Poor people3. Overpopulation and mismanagement of the worlds resources4. Because half the worlds population lives in cities within range of volcanic eruptions and earthquakes5. A volcanic eruption 6. It might send the planet into winter for years合作探究1. ten 2. floods 3. tsunamis4. typhoons5. eruptions6. forest7. population 8. In9. climate10. warming 11. dangerous 12. growth13. worse當堂檢測1.
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