人教版英语选修6第五单元Readingppt课件.ppt
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1、Unit 5 The power of nature,Man has so much wisdom and power that the whole world has changed a lot.,tall buildings,modern agriculture,aeroplanes,atomic bomb,spaceship,modern medicine,modern communication,What do you think of,Have you ever considered how weak humans are compared with a volcano, hurri
2、cane or earthquake?,Can you list some natural disasters?,Boiling rock erupts from the crater(火山口); the lava(熔岩) flows slowly down the mountain.,gas,liquid,solid,lava (熔岩),vapour, carbon dioxide, nitrogen (氮), sulphur (硫磺),bits of rock and volcanic ash, etc.,1. How is a volcano formed?,One plate cras
3、hes down into another. The fluid rock becomes hotter and hotter with high pressure. Finally it rushes out. Thus, a volcano is formed.,Where is it most possible for a volcano to erupt?,Joints between the plates.,Joints between the plates.,Joints between the plates. Often near the oceans.,3. What type
4、s of volcanoes do you know?,extinct volcano (= one that is no longer active at all),dormant volcano (= one that is not active at the moment),active volcano (= one that may erupt at any time),Answer Yes or No to the questionnaire.,If you answered “yes” to all these questions, then volcanology could b
5、e a good career for you. Read the passage on page 34 to find out more about being a vocanologist.,1. Whats the main idea of the article?,The writer expressed his _ for his job as a _ and told us one of his unusual _in Mount Kilauea, Hawaii.,love,volcanologist,experiences,2. Find out main ideas for e
6、ach part.,Part 1 (Para 1-2) Part 2 (Para 3-4) Part 3 (Para 5),The writers _ and its _.,job,importance,The writers _of watching the volcanic eruption.,experience,The _ for the writers enthusiasm about his job.,reasons,Which of the following is not the factor that makes the writers job the greatest in
7、 the world? its dangerous but exciting. B. the writer can travel to unusual places and meet people from all over the world. C. the writer can earn a lot of money. D. the writer is helping protecting people from the volcano.,2. What does a volcanologist not need most? A. knowledge of spaceships. B. r
8、esearch skills. C. skills of operating scientific equipment. D. observing skills.,Why does the writer say that he has the greatest job in the world?2. Why is a volcanologists job important?3. Where is Mount Kilauea?,Why does the writer say that he has the greatest job in the world?,2. Why is a volca
9、nologists job important?,It can warn people when the volcano is going to erupt and save many lives.,3. Where is Mount Kilauea?,In Hawaii.,Job: _ - _ - _ _importance: _feelings (adj.): _ - _ - _,Fill in the blanks according to this part.,volcanologist,collect information for a database,help scientist
10、s to predict where lava will flow and how fast,protect ordinary people from volcanoes,excited,/Save peoples lives by warning them to leave their homes.,never bored,feel alive,4. Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption?5. What caused the writers bedroom to
11、become as bright as day even though it was night?6. Why did the scientists have to get close to the volcano after it began erupting?7. Why was it difficult for the writer to walk towards the edge of the crater?,4. Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption?,N
12、o one lives near the crater.,The lava flows down the mountain and can cover up or burn villages in its path.,The lava flows down the mountain and can cover up or burn villages in its path. The rocks that erupt from the volcano dont damage anything because no one lives near the crater.,5. What caused
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