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1、Unit 5 The power of nature Step1 Lead-in1. How do you think you would feel during the cyclone and after it was over?2. Watch the video of volcano eruption. What do you feel about the volcano eruption?3. Describe some famous volcano eruption according to your after-class reading. extinct volcanoHalea

2、kala Crater, the largest dormant volcano in the world,Maui, Hawaii.active/live volcanoCatastrophic eruption of Mount Vesuvius on August 24 of 79 AD, buried the towns of Herculaneum and Pompeii in Italy. Mount KilaueaIt is Hawaiis youngest and yet most active volcano. It first erupted in January 1983

3、 and has been active ever since. Mt. Kilauea is a shield volcano-the largest types of volcanoes in the world and have fluid lava and are basically, just broad slopes.新華網(wǎng)華盛頓新華網(wǎng)華盛頓2006年年8月月11日電世界上最活躍的活日電世界上最活躍的活火山之一、夏威夷基拉韋厄火山火山之一、夏威夷基拉韋厄火山10日再度噴出熾熱的日再度噴出熾熱的巖漿，橘紅色的熔巖流從基拉韋厄火山高處奔騰下瀉，巖漿，橘紅色的熔巖流從基拉韋厄火山高處奔騰

4、下瀉，涌入太平洋，形成水火交融的奇景，場(chǎng)面壯觀。涌入太平洋，形成水火交融的奇景，場(chǎng)面壯觀。 據(jù)媒體報(bào)道，目前，從基拉韋厄火山噴出的熔巖據(jù)媒體報(bào)道，目前，從基拉韋厄火山噴出的熔巖流到距夏威夷火山公園著名的火山鏈路盡頭流到距夏威夷火山公園著名的火山鏈路盡頭4公里處公里處的洋面上，火山熔巖與海水接觸時(shí)的溫度估計(jì)高達(dá)的洋面上，火山熔巖與海水接觸時(shí)的溫度估計(jì)高達(dá)2000攝氏度。攝氏度。 基拉韋厄火山是夏威夷群島中的第一大島，海拔基拉韋厄火山是夏威夷群島中的第一大島，海拔1247米。它不但是世界上最年米。它不但是世界上最年輕的活火山之一，而且也是活輕的活火山之一，而且也是活動(dòng)最頻繁的活火山之一。在它動(dòng)最頻

5、繁的活火山之一。在它23年的活動(dòng)期里，總共發(fā)生了年的活動(dòng)期里，總共發(fā)生了55次噴發(fā)次噴發(fā)。 A volcanologist is doing some research about Mount Kilauea in the Reading part. Lets learn what he will do in the text.Step2 Skimming Read through the passage quickly and find out the answers to the question.1. What kind of things should a volcanologist

6、do?2. What is the volcanologist wearing when getting close to the crater?He is wearing white protective suits that covered his whole body, helmets, big boots and special gloves, just like a spaceman.How many parts can we divide the text into?Part 1:Part 2:Part 3:(Paras. 1-2)(Paras. 3-4)(Paras. 5)Des

7、cription of his first sight of an eruptionDescription of his job as a volcanologistHe love for his job and volcanoesStep3 ScanningStep4. Careful ReadingRead the passage carefully and find out the answers to the questions.1. Why is a volcanologists job important?2. Where is Mount Kilauea?3. Why is th

8、e lava that flows on Mount Kilauea more dangerous than the actual eruption?4. What caused the writers bedroom to become as bright as day even though it was night?5. Why did the scientists have to get close to the volcano after it began erupting?6. Why was it difficult for the writer to walk towards

9、the edge of the crater?7. What does the writer find impressive about volcanoes even after studying them for 20 years?Answers1. Why is a volcanologists job important?Volcanologist study volcanoes so that they can warn people when the volcano is going to erupt and so save many lives2. Where is Mount K

10、ilauea?Mount Kilauea is in Hawaii3. Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption?The lava flows down the mountain and cover up or burn villages in its path. The rocks that erupt from the volcano usually dont damage anything because no one lives near the crater.

11、4. What caused the writers bedroom to become as bright as day even though it was night?The light was caused by the red-hot rocks and gas that erupted from the volcano.5. Why did the scientists have to get close to the volcano after it began erupting?The scientists needed to get samples of the lava s

12、o they could study them.6. Why was it difficult for writer to walk towards the edge of the crater?The author was wearing special protective clothing that made it difficult to walk.7. What does the writer find impressive about volcanoes even after studying them for 20 years?The author is impressed by

13、 the beauty of the eruption and also by its potential to cause great destruction.Step5. Read again to find more details. 1. What made the author realize that an eruption occurred?2. What did the scientists do after the eruption ? my bed began shakinga strange soundMy bedroom became as bright as day.

14、an absolutely fantastic sightred hot lava was containing hundredsof meters into the air 1.What made the author realize that an eruption occurred? put on white protective suits, helmets, big boots dropped as closed as possible to the crater slowly make our way to the edge of the crater looked down in

15、to the red boiling center 2. What did the scientists do after the eruption ?Step6 DiscussionDo you think it is an occupation you would enjoy to be a volcanologist? Discuss your reasons with your classmates.Step7 InterviewMake up an interview. Four students as a group. One student acts as the writer

16、of the passage. The other three students act as the journalists from three different TV stations. They can ask the writer any question that they want to ask for their report.Homework Write a report about volcanologists after the interview.Step1 Lead-in1. How do you think you would feel during the cy

17、clone and after it was over?2. Watch the video of volcano eruption. What do you feel about the volcano eruption?3. Describe some famous volcano eruption according to your after-class reading. extinct volcanoHaleakala Crater, the largest dormant volcano in the world,Maui, Hawaii.active/live volcanoCa

18、tastrophic eruption of Mount Vesuvius on August 24 of 79 AD, buried the towns of Herculaneum and Pompeii in Italy. Mount KilaueaIt is Hawaiis youngest and yet most active volcano. It first erupted in January 1983 and has been active ever since. Mt. Kilauea is a shield volcano-the largest types of vo

19、lcanoes in the world and have fluid lava and are basically, just broad slopes.新華網(wǎng)華盛頓新華網(wǎng)華盛頓2006年年8月月11日電世界上最活躍的活日電世界上最活躍的活火山之一、夏威夷基拉韋厄火山火山之一、夏威夷基拉韋厄火山10日再度噴出熾熱的日再度噴出熾熱的巖漿，橘紅色的熔巖流從基拉韋厄火山高處奔騰下瀉，巖漿，橘紅色的熔巖流從基拉韋厄火山高處奔騰下瀉，涌入太平洋，形成水火交融的奇景，場(chǎng)面壯觀。涌入太平洋，形成水火交融的奇景，場(chǎng)面壯觀。 據(jù)媒體報(bào)道，目前，從基拉韋厄火山噴出的熔巖據(jù)媒體報(bào)道，目前，從基拉韋厄火山噴出的熔巖

20、流到距夏威夷火山公園著名的火山鏈路盡頭流到距夏威夷火山公園著名的火山鏈路盡頭4公里處公里處的洋面上，火山熔巖與海水接觸時(shí)的溫度估計(jì)高達(dá)的洋面上，火山熔巖與海水接觸時(shí)的溫度估計(jì)高達(dá)2000攝氏度。攝氏度。 基拉韋厄火山是夏威夷群島中的第一大島，海拔基拉韋厄火山是夏威夷群島中的第一大島，海拔1247米。它不但是世界上最年米。它不但是世界上最年輕的活火山之一，而且也是活輕的活火山之一，而且也是活動(dòng)最頻繁的活火山之一。在它動(dòng)最頻繁的活火山之一。在它23年的活動(dòng)期里，總共發(fā)生了年的活動(dòng)期里，總共發(fā)生了55次噴發(fā)次噴發(fā)。 A volcanologist is doing some research abo

21、ut Mount Kilauea in the Reading part. Lets learn what he will do in the text.Step2 Skimming Read through the passage quickly and find out the answers to the question.1. What kind of things should a volcanologist do?2. What is the volcanologist wearing when getting close to the crater?He is wearing w

22、hite protective suits that covered his whole body, helmets, big boots and special gloves, just like a spaceman.How many parts can we divide the text into?Part 1:Part 2:Part 3:(Paras. 1-2)(Paras. 3-4)(Paras. 5)Description of his first sight of an eruptionDescription of his job as a volcanologistHe lo

23、ve for his job and volcanoesStep3 ScanningStep4. Careful ReadingRead the passage carefully and find out the answers to the questions.1. Why is a volcanologists job important?2. Where is Mount Kilauea?3. Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption?4. What cause

24、d the writers bedroom to become as bright as day even though it was night?5. Why did the scientists have to get close to the volcano after it began erupting?6. Why was it difficult for the writer to walk towards the edge of the crater?7. What does the writer find impressive about volcanoes even afte

25、r studying them for 20 years?Answers1. Why is a volcanologists job important?Volcanologist study volcanoes so that they can warn people when the volcano is going to erupt and so save many lives2. Where is Mount Kilauea?Mount Kilauea is in Hawaii3. Why is the lava that flows on Mount Kilauea more dan

26、gerous than the actual eruption?The lava flows down the mountain and cover up or burn villages in its path. The rocks that erupt from the volcano usually dont damage anything because no one lives near the crater.4. What caused the writers bedroom to become as bright as day even though it was night?T

27、he light was caused by the red-hot rocks and gas that erupted from the volcano.5. Why did the scientists have to get close to the volcano after it began erupting?The scientists needed to get samples of the lava so they could study them.6. Why was it difficult for writer to walk towards the edge of t

28、he crater?The author was wearing special protective clothing that made it difficult to walk.7. What does the writer find impressive about volcanoes even after studying them for 20 years?The author is impressed by the beauty of the eruption and also by its potential to cause great destruction.Step5.

29、Read again to find more details. 1. What made the author realize that an eruption occurred?2. What did the scientists do after the eruption ? my bed began shakinga strange soundMy bedroom became as bright as day.an absolutely fantastic sightred hot lava was containing hundredsof meters into the air

30、1.What made the author realize that an eruption occurred? put on white protective suits, helmets, big boots dropped as closed as possible to the crater slowly make our way to the edge of the crater looked down into the red boiling center 2. What did the scientists do after the eruption ?Step6 Discus

31、sionDo you think it is an occupation you would enjoy to be a volcanologist? Discuss your reasons with your classmates.Step7 InterviewMake up an interview. Four students as a group. One student acts as the writer of the passage. The other three students act as the journalists from three different TV stations. They can ask the writer any question that they want to ask for their report.Homework Write a report about volcanologists after the interview.