unit5thepowerofnature省公共课一等奖全国赛课获奖课件.pptx

Unit 5 The Power of Nature 第1页Remember what happened on Dec 26,?tsunami Do you know any other natural disasters?Please work with your partners and make a list of natural disasters.Warming up(4m)第2页earthquakefloodsdrought第3页thunder/lightningtornado/cyclonehurricane /typhoon第4页volcano-eruption第5页What do you know about volcano?Do you know how a volcano erupts?第6页volcano-eruptionBoiling rock erupts from the crater;the lava flows slowly down the mountain.Magma chamberLavaCraterAsh cloud/volcanic ash第7页More about the volcanoMore about the volcano1.How is a volcano formed?The rocks under the earth become hotter and hotter and erupt from the mountain.第8页Near the oceans.2.Where is most possible for a volcano to erupt?第9页An extinct volcanoHaleakala Crater,the largest dormant volcano in the worldMaui,HawaiiAn active volcano3.What types of volcanoes do you know?dormant volcano第10页Questions Questions Yes No 1 Do you like working outside as well as inside?2 Do you enjoy travelling to unusual places?3 Do you enjoy taking risks?4 Do you dislike doing the same thing every day?5 Do you like adventure in your life?6 Are you interested in studying rocks and other things that make up the surface of the earth?What qualities are needed for a What qualities are needed for a volcanologist?Are you suitable for being aAre you suitable for being a volcanologist?Answer“yes”or“no”to the following questions.Pre-reading(4m)第11页 What might be talked about?第12页1.What is the writer?2.When did he first see an eruption?How did it look like?3.What was he wearing when getting close to the crater?And what was the result?Skim the text and answer the following questionsSkimming(3m)第13页1.What is the writer?2.When did he first see an eruption?How did it look like?He is a volcanologist working for the Hawaiian Volcano Observatory.He mainly collects information about Mount Kilauea.It was in the second week after he arrived in Hawaii.It was very bright although it was night.Red lava fountained hundreds of meters into the air and it was a fantastic sight.第14页3.What was he wearing when getting close to the crater?And what was the result?He was wearing white protective suits that covered his whole body,helmets,big boots and special gloves,just like a spaceman.As a result,it made him difficult to walk.第15页1.Why is a volcanologists job important?2.Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption?3.Why did the scientists have to get close to the volcano after it began erupting?4.What does the writer find impressive5.about volcanoes even after studying 6.them for 20 years?Scan the text and answer the following questionsScanning(5m)第16页1.Why is a volcanologists job important?Volcanologists study volcanoes so that they can warn people when the volcano is going to erupt and so save many lives.2.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 dont damage anything because no one lives near the crater.第17页3.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.4.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.第18页Part 1(Para 1-2)Part 2(Para 3-4)Part 3(Para 5)The writers job and its importance The writers experience of watching the volcano eruptionThe reasons for the writers enthusiasm about his jobFind out the main idea of each part(4m)第19页 Suppose you are a reporter of the 21st Century,and you are interview the writer.Work in pairs and make up a dialogue according to your understanding of the passage.Dialogue production(5m)第20页 Having learnt a little more about the work of a volcanologist,do you think it is an occupation you would enjoy?Discuss your reasons with others in your class.Discussion(8m)第21页 Assignment(Homework)1.Find out words,expressions and sentences which you think are useful,important or difficult to understand.2.Finish exercises in Learning about Language.(Ex.1,2)第22页第23页第24页Unit 5 The Power of Nature 第25页1.I went to a tea house with tow friends last weekend but all they talked about was volcanoes.I was so _ that I fell asleep.2.A tourist very foolishly took a risk by walking right to the edge of an active_.3.I carefully _ over the fallen rocks and returned to the car.4.Nothing can _ the experience of standing close to an active volcano for the first time.5.Can volcanologists predict when a volcano will_.6.The sight of hot lava entering the sea at dawn was_.boredvolcanomade my waycompare witheruptimpressiveCheck the answers to Ex.1 on page 35第26页 The eruption of Mount Vesuvius in 79AD took people in Pompeii by surprise.It was so quick and so severe that the town was soon covered in _ and _.Many houses in the town were _.It was an _ disaster for many people who could not get away in time.A writer named Pliny,who was there during the _,described how lava was thrown into the air like a _._ many of the townspeople,_at the _ sight of Vesuvius eruption,stayed too long and failed to escape in time.burnt to the groundabsoluteashlavaeruptionfountain UnfortunatelyamazedfantasticCheck the answers to Ex.2 on page 36第27页Mount Vesuvius This mountain has erupted more than 50 times since the eruption in 79 A.D.,when it buried Pompeii and its sister city,Herculaneum.After Pompeii was buried and lost to history,the volcano continued to erupt every 100 years until about 1037 A.D.,when it entered a 600-year period of quiescence.In 1631,the volcano killed an additional 4000 unsuspecting inhabitants.第28页Examine the sentences below and tell the similarity and difference between these two sentences.Looking carefully at the ground,I made my way to the edge of the crater.Having experienced quite a few earthquakes in Hawaii already,I didnt take my notice.The present and perfect-ing form The ing form can be used as an adverbial in a sentence to give information about time,reasons or results.We use the construction having+past participle to refer to an action that took place before the time expressed by the main verb.第29页Rewrite the sentences using the present or the perfect ing form of the underlined verbs.When they heard about the volcano they ran down to the village.After the scientists had studied the information they predicted that the lava would flow through the village.Hearing about the volcano,they ran down to the village.Having studied the information,the scientists predicted that the lava would flow through the village.第30页3.Having experienced earthquakes before,I wasnt frightened.4.Walking up in the middle of the night she saw her room was as bright as day.5.Having stopped the car,we immediately put on our protective clothing.6.Having spent all night watching the volcano erupting,I was very tired the next day.7.Coming out of my house,I saw the volcano erupting.8.Never having seen a volcano erupting before,I was very excited.第31页Combine the pairs of sentences using the present or the perfect ing form.2.Walking through the forest,you can find some unusual plants.3.Having been a teacher for 12 years,Charlotte knew how to keep children interested.4.Preferring not to go out that night,I made an excuse.We arrived at the party.We saw Carol standing along at the entrance.Arriving at the party,we saw Carol standing alone at the entrance.第32页5.Not expecting anyone to be in the house,I walked straight in.6.Having been out of work for two months,Dave was willing to take any job that was offered.7.Being unable to speak Japanese,I found life in Tokyo difficult.8.Having felt ill all day,Marie cancelled her appointment with her friends.9.Knowing the job was important to her husband,she made an effort to be nice to her boss.第33页1.“You cant catch me!”Janet shouted,_ away.A.run B.running C.to run D.ran 高考链接B解析：答案解析：答案B B。running awayrunning away在此作在此作shoutedshouted伴随状语，由伴随状语，由JanetJanet发出这一动作。发出这一动作。第34页2.The storm left,_ a lot of damage to this area.A.caused B.to have caused C.to cause D.having caused高考链接D解析：答案解析：答案D D。题意：暴雨过去了，只留。题意：暴雨过去了，只留下给这一地域造成巨大损害。由上下文逻下给这一地域造成巨大损害。由上下文逻辑意义看，此处应表示自然而然结果，故辑意义看，此处应表示自然而然结果，故用现在分词作结果状语。用现在分词作结果状语。第35页3._ in the queue for half an hour,Tom suddenly realized that he had left his wallet at home.A.to wait B.have waited C.having waited D.to have waited高考链接C解析：答案解析：答案C C。此处为现在分词完成式作。此处为现在分词完成式作时间状语，表明该动作发生在时间状语，表明该动作发生在realizedrealized之之前。前。第36页4._ such heavy pollution already,it may now be too late to clean up the river.A.Having suffered B.Suffered C.To suffer D.Suffered高考链接A解析：答案解析：答案A A。由。由alreadyalready提醒，分词动作提醒，分词动作发生在谓语之前，故须用分词完成式。发生在谓语之前，故须用分词完成式。第37页5.The secretary worked all night long,_ a long speech for the president.A.to prepare B.preparing C.prepared D.was preparing高考链接B解析：答案解析：答案B B。非谓语动词充当伴随状语，。非谓语动词充当伴随状语，与主语与主语the secretarythe secretary是主动关系，所以是主动关系，所以用用v.-ingv.-ing形式。形式。第38页Homework Review the difference and similarity between present and perfect v-ing form used as an adverbial.第39页第40页Unit 5 The Power of Nature 第41页第42页Mount Tai ShanMount Hua Shan第43页Jiu Zhai Gou第44页Mount Chang Bai ShanTian Chi第45页第46页The Lake of Heaven第47页springsummerautumnwinter第48页Read the text quickly and find out the key words(关键词）关键词）of each paragraph.Paragraph 1 Paragraph 2Paragraph 3Paragraph 4ChangbaishanTianchistoriescoinFast Reading(3m)第49页Paragraph 1ChangbaishanLocation（位置（位置）Position（地位）（地位）HeightRare animals The aims of visitorsThe most attractionIntensive Reading(5m)第50页Location Jilin Province,Northeast ChinaPosition Chinas largest nature reserveHeight varies from 700 m to 2,000 mRare animalscranes,black bears,leopards and Siberian tigersThe aims of visitorsTo study the plants and animals;walk in the mountains;see the waterfalls;bathe in the hot water poolsThe most attraction Tianchi,the Lake of Heaven第51页Paragraph 2Tianchiintroductionheightdepth2,194m more than 200msightdeep lake has formed in the craterthe crystal clear waterthe other sixteen mountain peaks 第52页Paragraph 3 Fill in the blanks with some persons or animals to complete the chart.Three young women from heavenbathingA birdflewdroppedThe youngest girlA handsome boyswallowedgave birth tofruitpregnantThe Manchu peoplefather第53页Paragraph 4coinYou and your _ one drop a _ into the clear,blue water to _ your love will be as _ and _ as the lake.lovedcoinguaranteedeeplasting第54页1.Changbaishan is the second largest nature reserve in China.2.The peak of Changbaishan can reach as high as 2,000 meters.3.You can see a lot of black bears,leopards or cranes in Changbaishan.4.Tianchi is a lake in the crater of an extinct volcano.5.The ancestors of the Manchu people were believed to be good at language and persuasion.F T F T TConsolidation (5m)1.True or false第55页2.Questions1.In what province is Changbaishan?2.What is a nature reserve?Why is Changbaishan a famous nature reserve?3.What is the most popular tourist attraction in the reserve?In Jilin Province.A place kept in its natural state for people to enjoy.The largest one in China.Tianchi,or the Lake of Heaven.第56页1.4.What does Tianchi mean?How is Tianchi formed?2.5.What is the connection between the Manchu people and Tianchi?The Lake of Heaven.In the crater of a dead volcano.The story.第57页Homework Surf the Internet to find more information about the Lake of Heaven.第58页第59页第60页Unit 5 The Power of Nature 第61页Can you imagine the volcanologists work?They often face the dangerous situation.Can you guess what the following three volcanologists most frightening experience are?Pre-reading(3m)第62页A.Frank Gore B.Jane SmallC.Sarah Tang Look at the pictures of volcanologists at work on page 38.Then listen to them talking about their most frightening experience.Write their names under the picture.Listening-I(5m)第63页 Listen to the tape again.Stop the tape after each person has spoken and answer the questions about his/her experience.1.How long has she been a volcanologist?2.In what country was the volcano he/she talks about?3.Why did he/she forget to be frightened?Listening-II(5m)第64页Jane Small1.How long has she been a volcanologist?Five years.2.In what country was the volcano she talks about?Alaska3.Why did she forget to be frightened?She was excited about what she had done.Listening-II(5m)第65页Frank Gore1.How long has he been a volcanologist?2.In what country was the volcano he talks about?3.Why did he forget to be frightened?Ten years.Hawaii.The pilot had to fly low to get under the clouds.Listening-II(5m)第66页Sarah Tang1.How long has she been a volcanologist?2.In what country was the volcano she talks about?3.Why did she forget to be frightened?Twenty years.New Zealand.She felt the ground tremble.Listening-II(5m)第67页1.I was so excited about what I had done and where I was,I forgot my fear.()2.I was very worried that the volcano might erupt while I was still inside it.()3.I was very relived when we finally reached our camp.()4.I was trembling almost as much as the ground under my feet.()Jane SaraSaraFrankListening-III(5m)Listen to the tape once more.Write the name of the person beside the things they said.第68页5.I was still terrified.()6.I was so nervous that my whole body was damp with sweat.()7.I was so anxious that I couldnt move for a long time.()8.I had to force myself not ton panic.()9.Then I got up the courage to bend over the boiling lava.()Jane Jane Jane FrankJane 第69页 Think of a powerful natural force(such as an earthquake,food,typhoon,storm)that you have experienced.You can use your imagination if you have not experienced any of these things.Tell your partner about your experience and how you felt.Speaking(8m)第70页HomeworkForm a group with another pair and tell them about your dangerous experience.第71页第72页Unit 5 The Power of Nature 第73页floodvolcano eruptiontsunami第74页firehurricanesnowstormtornado第75页1.Choose one of the natural disasters or any other disaster you know about.2.Make a timeline to show the order in which the events happened.For example:10am left holiday house to walk in the mountains12am saw dark clouds in the sky,started to go back12:30pm snowstorm started1:00pm we were completely lost 第76页3.Work with your partner.Take turns to tell your story.When you listen to your partners story,ask questions about how he/she felt at different times.第77页4.Spend a few minutes on your own imagining your experiences and how you felt.Now imagine you are safely back home.Write a dairy entry about your experience.第78页Writing sample Jane and I had been waking in the mountains when we noticed some dark clouds coming down the mountain.We decided to turn around and go home.As we walked the clouds got nearer and nearer and the day grew darker.Then all of a sudden it began to snow.It was soon snowing so hard we couldnt see very far in front of us.Holding each others hands so we couldnt get separated,we continued down the mountain.第79页 But