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1、Unit 5 The Power of Nature Remember what happened on May.12, 2008?Earthquake Do you know any other natural disasters ? Warming up natural disasterssandstormtyphoon hurricane Tornado龍卷風龍卷風 earthquaketsunamidebris flow土石流土石流snowstormthunderstormvolcanoThe power of natureHave you ever seen a volcano?vo
2、lcano-eruptionVesuvius volcano 維蘇威火山維蘇威火山Pompeii 公元公元79年維蘇威火山的年維蘇威火山的爆發(fā)掩埋了一座城市！爆發(fā)掩埋了一座城市！ 雖然地球史上每一次火山雖然地球史上每一次火山爆發(fā)無不令地貌滄海桑田爆發(fā)無不令地貌滄海桑田,但公元但公元79年維蘇威火山的年維蘇威火山的爆發(fā)卻的確令一座城市爆發(fā)卻的確令一座城市獲得了永生獲得了永生-龐貝無法龐貝無法躲過火山的劫難躲過火山的劫難, 但它被但它被掩埋封存在漸漸冷卻、掩埋封存在漸漸冷卻、凝固、變硬的火山灰中凝固、變硬的火山灰中, 最終竟躲過了上千年歲月最終竟躲過了上千年歲月的侵蝕。的侵蝕。 1. How is
3、 a volcano formed? The rocks under the earth become hotter and hotter and erupt from the mountain.What do you know more about volcano?Boiling rockLavaCraterAsh cloudBoiling rock erupts from the crater; the lava flows slowly down the mountain.volcano-eruptionvolcanoNear the oceans.2.Where is most pos
4、sible for a volcano to erupt?An extinct volcano死火山死火山An active volcano活火山活火山3. What types of volcanoes do you know?A dormant volcano休眠火山休眠火山ImagineWould you like to be a volcanologist to observe and study volcanoes?ReadingAn Exciting JobWhats the main idea of the article? The writer expressed his _
5、for his job as a _ and told us one of his unusual _ in Mount Kilauea, Hawaii.lovevolcanologistexperiencesPart 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 ca
6、n warn people when the volcano is going to erupt and save many lives.In Hawaii. danger excites him and make him feel alivePart 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 occurr
7、ed?a. I heard a strange sound.b. my bedroom became 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.3. What caused the writers bedroom to become as bright as day even though it was night?The light that was
8、caused by the red-hot rocks and gas that erupted from the volcano.Part two (Para 3- Para 4) Part two (Para 3- Para 4) 4. What does the writer mean by using “l(fā)ucky” 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
9、it began erupting?To get some lava for later study.It was his first sight of an eruption.It was the first time for him to watch the crater.6. What did the scientists do after the eruption?Put on white protective suits helmets, big bootsLine 34Dropped as close as possible to the crater Line 31Slowly
10、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 36Part 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 b
11、eauty of the eruption and also by its potential to cause great damage. 1. The writer doesnt mind the occasional danger of his job because _.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 impor
12、tantD. He is excited about dangers and feels alive2.As a result of the volcanologists work, _.A. other scientists predict the progress 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 outA. Boili
13、ng rock which erupts from the volcano and crashes back to earth causes less damage.B. The lava that flows slowly down the 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.A. Becau
14、se his bed began shaking. B. Because his bedroom suddenly became as bright as day.C. Because he thought there was an earthquake in Hawaii.D. Because he wanted to collect information about the eruption.4.Why did the volcanologists run out of the house into the back garden?(para4)A. He left safer on t
15、he top while the other two scientists climbed down into the crater.B. It was his first sight 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 “l(fā)ucky” in the sentence “ I was lucky enough . it. ” ?6. What does the word “alive” m
16、ean in the sentence “. danger excites me and makes me feel alive”?A.Living or not dead. B. Active or lively. C. Continuing. D. Healthy.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. Be
17、cause the other two scientists asked him to.D. Because he wanted to climb down into the crater.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.unusualinterestingvolcanoColle
18、cts Read the text and fill in the blanks.The writerProfession VolcanologistJob Helps other scientists to 5_ where lava from the volcano will flow next and how fast it will flow.predictThe first experienceThe day of the6 _ My bed began 7_ and I heard a strange sound. My bedroom became as 8_ as day. R
19、ed hot lava 9 _ hundreds of meters into the air.eruptionshakingbrightwas fountainingThe first experienceThe day after the eruption We 10 _ to the edge of the crater with protective suits and looked down into the red, boiling centre. The other two climbed down into the crater to collect some lava for later study.made our wayHomework Learn about the text in details.
選修6_unit5_Warming_up_and_reading
