选修unitWarmingupandreadingPPT学习教案

1、会计学1Earthquake Do you know any other natural disasters ? Warming up 第1页/共47页natural disasterssandstormtyphoon hurricane Tornado龙卷风龙卷风 earthquaketsunamidebris flow土石流土石流snowstormthunderstormvolcanoThe power of nature第2页/共47页Flood 第3页/共47页Earthquake 第4页/共47页第5页/共47页第6页/共47页tornado(飓风飓风)第7页/共47页snowsto

2、rm第8页/共47页第9页/共47页第10页/共47页drought第11页/共47页landslide第12页/共47页Volcano第13页/共47页Have you ever seen a volcano?第14页/共47页volcano-eruption第15页/共47页Vesuvius volcano 维苏威火山维苏威火山第16页/共47页Pompeii 第17页/共47页第18页/共47页公元公元79年维苏威火山的年维苏威火山的爆发掩埋了一座城市！爆发掩埋了一座城市！ 虽然地球史上每一次火山虽然地球史上每一次火山爆发无不令地貌沧海桑田爆发无不令地貌沧海桑田,但公元但公元79年维苏威

3、火山的年维苏威火山的爆发却的确令一座城市爆发却的确令一座城市获得了永生获得了永生-庞贝无法庞贝无法躲过火山的劫难躲过火山的劫难, 但它被但它被掩埋封存在渐渐冷却、掩埋封存在渐渐冷却、凝固、变硬的火山灰中凝固、变硬的火山灰中, 最终竟躲过了上千年岁月最终竟躲过了上千年岁月的侵蚀。的侵蚀。 第19页/共47页1. How is a volcano formed? The rocks under the earth become hotter and hotter and erupt from the mountain.What do you know more about volcano?第20页

4、/共47页Boiling rockLavaCraterAsh cloudBoiling rock erupts from the crater; the lava flows slowly down the mountain.volcano-eruption第21页/共47页volcano第22页/共47页Near the oceans.2.Where is most possible for a volcano to erupt?第23页/共47页An extinct volcano死火山死火山An active volcano活火山活火山3. What types of volcanoes

5、 do you know?A dormant volcano休眠火山休眠火山第24页/共47页ImagineWould you like to be a volcanologist to observe and study volcanoes?第25页/共47页第26页/共47页ReadingAn Exciting Job第27页/共47页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 Kilau

6、ea, Hawaii.lovevolcanologistexperiences第28页/共47页Part one (Para 1- Para 2) Part one (Para 1- Para 2) 1) Why is a volcanologists job important?2) Where is Mount Kilauea?3) The writer doesnt mind the occasional danger of his job because _ _.It can warn people when the volcano is going to erupt and save

7、 many lives.In Hawaii. danger excites him and make him feel alive第29页/共47页Part two (Para 3- Para 4) Part two (Para 3- Para 4) 1. Why does the boiling rock erupting from a volcano cause less damage?2. What made the author realize that an eruption occurred?a. I heard a strange sound.b. my bedroom beca

8、me as bright as day.c. my bed began shaking.d. I ran out of the house into the back garden.1234Because no one lives near the top of mount kilauea.第30页/共47页The light that was caused by the red-hot rocks and gas that erupted from the volcano.第31页/共47页Part two (Para 3- Para 4) Part two (Para 3- Para 4)

9、 4. What does the writer mean by using “lucky” in the sentence “I was lucky enough to have a much closer look at it.”?5. Why did the scientists have to get close to the volcano after it began erupting?To get some lava for later study.It was his first sight of an eruption.It was the first time for hi

10、m to watch the crater.第32页/共47页Put on white protective suits helmets, big bootsLine 34Dropped as close as possible to the crater Line 31Slowly made our way to the edge of the craterLine 35Looked down into the red, boiling centreLine 36Climbed down into the crater to collect some lavaLine 36第33页/共47页

11、Part two (Para 5) Part two (Para 5) What attracts the writer after he has studied volcanoes for more than twenty years? The author is impressed by the beauty of the eruption and also by its potential to cause great damage. 第34页/共47页1. The writer doesnt mind the occasional danger of his job because _

12、.A. He travels to unusual places and meets interesting people from all over the worldB. He likes the different ways of workingC. He thinks his job the most importantD. He is excited about dangers and feels alive第35页/共47页2.As a result of the volcanologists work, _.A. other scientists predict the prog

13、ress of lava from the volcanoB. A few people have been warned to leave their homes C. the eruption causes less damageD. the eruption may be prevented breaking out第36页/共47页A. Boiling rock which erupts from the volcano and crashes back to earth causes less damage.B. The lava that flows slowly down the

14、 mountain causes far more damage.3.Whats the main idea of para.3 ?C. The eruption is much more exciting to watch.D. There had been an eruption in the side of the mountain.第37页/共47页第38页/共47页A. He left safer on the top while the other two scientists climbed down into the crater.B. It was his first sig

15、ht of an eruption.C. It was the first time for him to watch the crater.D. both B and C.5. What does the writer mean by using “lucky” in the sentence “ I was lucky enough . it. ” ?第39页/共47页6. What does the word “alive” mean in the sentence “. danger excites me and makes me feel alive”?A.Living or not

16、 dead. B. Active or lively. C. Continuing. D. Healthy.第40页/共47页7. Why did the writer put on special clothes to look at the crater?A.Because he wanted to take some special photos.B. Because he was concerned about his safety.C. Because the other two scientists asked him to.D. Because he wanted to clim

17、b down into the crater.第41页/共47页The writerProfessionVolcanologistJob Travels to 1_ places and meets 2_ people from all over the world. Helps to protect people from the 3_ .4_ information about Mount Kilauea.unusualinterestingvolcanoCollects Read the text and fill in the blanks.第42页/共47页The writerPro

18、fession VolcanologistJob Helps other scientists to 5_ where lava from the volcano will flow next and how fast it will flow.predict第43页/共47页The first experienceThe day of the6 _ My bed began 7_ and I heard a strange sound. My bedroom became as 8_ as day. Red hot lava 9 _ hundreds of meters into the air.eruptionshakingbrightwas fountaining第44页/共47页The first exp