[ID:4-6460970] Unit 5 The power of nature Warming up and Reading 课件(27张PPT+4音视 ...
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(共27张PPT) Compared with a volcano, hurricane or earthquake, have you ever considered how weak humans are? Do you know any other natural disasters? Please work with your partners and make a list of natural disasters. cyclonic storm (气旋风暴) snowstorm flood drought hailstorm (冰雹) tsunami tornado windstorm heat wave wildfire One day this might happen. Iceland volcano eruption, in 2010 What do you know about volcanoes? Do you know how a volcano erupts? 火山口 岩脉 岩床 岩浆 熔岩 火山灰 灰烬 火山通道 How is a volcano formed? The rocks under the earth become hotter and hotter and then erupt from the mountain. Near the oceans. Where is the most possible place that a volcano may erupt? Can you imagine climbing into a live volcano in order to measure the temperature of the boiling rock inside? A volcanologist is a person who studies volcanoes. Volcanologists monitor volcanoes, measure temperatures, and collect samples of lava rock or gases or other small objects. Volcanologists wear a suit that is similar to a space suit with a hard hat and gloves. They wear this so that they can survive the hot temperature. What knowledge is needed to be a volcanologist? chemistry physics geography geophysics oceanography meteorology Volcanology is a challenging and exciting career. Read fast and answer the question. How does the author feel about his job? He thinks he has the greatest job in the world. Danger excites him and makes him feel alive. He thinks his job can protect people from the volcano. Part 1(Para 1-2) Part 2(Para 3-4) Part 3(Para 5) The writer’s job and its importance The writer’s experience of watching the volcanic eruption The reasons for the writer’s enthusiasm about his job Find out the main idea of each part. Read carefully and choose the best answers according to the text. Why does the author think his job is the greatest? A. It makes him feel excited and alive. B. It’s the most dangerous job in the ???? world. C. It allows him to travel to many ???? places. D. It allows him to see volcanoes erupt. A 2. What did the author do after he was ?appointed as a volcanologist? A. He collected information about ???? Mount Kilauea on the spot. B. He analyzed the data and predicted ???? where the lava would flow. C. He persuaded people to move their ???? homes out of the path of the lava. D. He saved people who were covered ???? with lava. B 3. Which of the following descriptions of ???? an eruption is NOT correct? A. It causes great damage near the top ???? of Mount Kilauea. B. The places where the lava flows are ???? usually seriously damaged. C. It can be seen from a distance, even ???? in a house garden. D. The lava can form fountains hundreds of meters high. C 4. When the author went to the location ???? of the eruption, he ______. A. asked two other scientists to guide ???? him B. went close to the crater formed ???? during the eruption C. was wearing the same protective ???? suits as the spaceman ?? D. collected some lava for further study B 5. We can infer from the passage that ???? ______. A. the author thinks volcanoes are full ???? of mystery B. Hawaii is the place with the most ???? active volcanoes C. people can mistake an eruption for ???? an earthquake D. it’s safe for people to go near a crater after an eruption C Answer these questions using complete sentences. Why is a volcanologist’s job important? 2. Where is Mount Kilauea? Volcanologists study volcanoes so that they can warn people when the volcano is going to erupt and so save many lives. Mount Kilauea is in Hawaii. 3. Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption? The lava flows down the mountain and can cover up or burn villages in its path. The rocks that erupt from the volcano usually don’t damage anything because no one lives near the crater. The light was caused by the red-hot rocks and gas that erupted from the volcano. 4. What caused the writer's 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? The scientists needed to get samples of the lava so they could study them. 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 after studying them for many years? The author was wearing special protective clothing that made it difficult to walk. The author is impressed by the beauty of the eruption and also by its potential to cause great destruction. Talk about the volcanologist’s experiences in your own words. make one’s way,a live volcano,be about to do,look down into,out of the way,be covered with,burn to the ground,attach ... to ...,compare ... with ...,run out of Retelling Do you like this occupation? Why or why not? I would not like to be a volcanologist. I prefer to work … I hope to be a vocanologist. … Imagine you are a reporter and you are interviewing the writer. Work in pairs and make a dialogue according to the passage.
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