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1、名师整理，助你成功 Unit Five The Power of Nature The theme of this unit is disasters that are caused by nature forces.It examines how people feel in dangerous situation and the ways in which humans protect themselves from natural disasters.What is volcano?Imagine wearing a concrete bodysuit all of the time.A
2、fter a while,youd feel extremely hot because of the tremendous pressure youd feel on your body.If you think about it,the mantle(地幔)wears a huge,heavy body suit that is about seventy kilometers thick,Its not too hard to believe,then,that there is extreme pressure and heat in the mantle.The high tempe
3、rature and the push and the pull forces cause some of the mantle to melt.This molten rock is known as magma(岩浆).A volcano is a vent(排气孔)in the earth from which molten rock(magma)and gas erupt.The molten rock that erupts from the volcano(lava 岩浆 熔岩)forms a hill or mountain around the vent.All volcani
4、c eruptions are not alike.Some eruptions are quiet,with lava flowing slowly from a vent.Other eruptions are very violent,with lava and other materials being hurled(抛投掷)hundreds of miles into the air.Gases from within the earths interior(内部的)mix with huge quantities of dust and ash and rise into air
5、as great dark clouds that can be seen from many kilometers away.Some dark-colored lava is thin and runny,and tends to flow.Topic:volcano,crater lakes,cyclones,floods Vocabulary:diagram(图 解 图 表),volcano,erupt,eruption,ash,hurricane,questionnaire(问卷调查 问卷),alongside(在.旁边),equipment,appoint,database,eva
6、luate(评估 评价),wave,fountain(喷泉 源泉),absolutely,suit,helmet,boot,potential,actual,candidate,bungalow(平房 小屋),typhoon,thunderstorm(雷暴),precious,novelist,fog,document,rainbow,uncomfortable,balcony,unconscious,shoot,shot,tremble,sweat,anxious,anxiety,panic(惊慌),diverse(多种多样的 不同的),bathe,appreciation,guarante
7、e,burn to the ground(全部烧毁),make ones way(摸索前进 前往),glance through(匆匆看一遍),vary from.to.(由.到.不等)Function:Emotions 情感(joy,fear,anxiety,surprise)I became so excited that.I had never felt so happy as.Im looking forward to.Doesnt that look lovely!You did a good job.Perfect!I cant wait.Whats happening?Whats
8、 happened?Whats that noise?Im frightened.I was trembling.I was never so frightened I was so anxious.I felt very nervous.Oh,my goodness.Wheres the?Oh,no!Grammar:-ing form 名师整理，助你成功 Teaching important and difficult points:Get students to know about disasters that are caused by natural forces.Have stud
9、ents learn some useful new words and expressions about natural disasters and let them learn effective ways to master them.Enable students to express their emotions such as joy,fear,anxiety and surprise.Let students get a better understanding of the grammar item:the ing form.Develop students listenin
10、g,speaking,reading and writing ability.The first period Warming-up,Pre-reading,Reading and Comprehending Knowledge and skills:1.To know the meanings of the following words and phrases:diagram(图解 图表),volcano,erupt,eruption,ash,hurricane,questionnaire(问卷调查 问卷),alongside(在.旁边),equipment,appoint,databas
11、e,evaluate(评估 评价),wave,fountain(喷泉 源泉),absolutely,suit,helmet,boot,potential,actual,candidate,bungalow(平房 小屋),typhoon,thunderstorm(雷暴),precious,novelist,fog,document,rainbow,uncomfortable,balcony,unconscious,shoot,shot,tremble,sweat,anxious,anxiety,panic(惊慌),diverse(多种多样的 不同的),bathe,appreciation,gua
12、rantee,burn to the ground(全部烧毁),make ones way(摸索前进 前往),glance through(匆匆看一遍),vary from.to.(由.到.不等),make an effort(努力),be covered with/by,hurricane(飓风)2.To learn about some disasters that are caused by natural forces,how people feel in dangerous and the ways in which humans protect themselves from na
13、tural disasters.3.To learn how the information is organized.4.To develop the students reading ability by skimming and scanning the passage.5.To develop the students speaking ability by talking about natural forces.Emotion,attitude and value:1.To stimulate students love to nature.2.To develop student
14、s sense of cooperative learning.Teaching important and difficult points:1.To enable the students to learn about the power of nature and to develop their reading ability.2.To enable the students to talk about natural forces.Step 1 Warming up 1.Warming up by looking and talking(Show students some pict
15、ures and let them know about the power of nature).Three types of volcanoes:alive volcano,dormant volcano,extinct volcano.名师整理，助你成功 2.Warming up by learning something about Volcano.Step 2 Pre-reading 1.Can you imagine climbing into a live volcano in order to measure the temperature of the boiling roc
16、k inside?2.Encourage students to talk about volcanoes by looking and discussing.名师整理，助你成功 3.根据课文内容填空 The writers job Travel to unusual places and work alongside people from all over the world.Help protect ordinary people from one of the most powerful forces on earth:the volcano.Collect information f
17、or a database about Mount Kilauea.Help other scientists to predict where lava will flow next and how fast.The first experience The day of the eruption My bed began shaking and I heard a strange sound.My bedroom became as bright as day.Red hot lava fountained hundreds of meters into the air.The day a
18、fter the eruption Two other scientists and I were driven up the mountain and dropped as close as possible to the crater that had been formed during the eruption.We slowly made our way to the edge of the crater and looked down into the red,boiling center.Step 3 Reading and comprehending 1.Fast-readin
19、g:Ask students to skim the passage so as to get the key words and general idea of each paragraph and answer the question:What is the main idea of the text?_.2.Read the passage carefully and answer the following questions:1)Why is the volcanologists job important?_.2)Why is the lava that flows on Mou
20、nt Kilauea more dangerous than the actual eruption?_.3)Why was it difficult for the writer to walk towards the edge of the crater?_.4)What does the writer find impressive about volcanoes even after studying them for many years?_.5)What did the author think it was when an eruption occurred?_.6)Why di
21、d the scientists look like spacemen?_.3.Ask students to scan for detailed information and discuss the following question with their partners and be prepared to report to the class.Having learnt a little more about the work of a volcanologist,do you think it is an occupation you would enjoy?(Give som
22、e examples)_名师整理，助你成功 _.Step 4 Language study Deal with any language problem if any words or sentences students might not understand to help the students to have a better understanding of the text.Step 5 Listening,reading aloud and underlining Ask students to read the passage aloud to the tape and l
23、et them pay attention to the pronunciation of each word and the pause within each sentence.Tell them to pick out all the useful expressions or collocations from the passage while reading and copy them to the notebook after class as homework.Step 6 Structure analyzing After reading,ask students to di
24、scuss the text structure.(This passage is a first-person account of a volcanologists experiences.The volcanologist described his exciting job and wrote down his first sight of an eruption.The first paragraph introduces the topic and the theme of the text.The rest of the text presents the information
25、 in chronological(编年史的)order.A feature of an account of a volcanologists experiences is the abundance of time expressions.The iast sentence of the report functions as a conclusion.In addition,each section begins with a topic sentence.)Step 7 Retelling Ask students to talk about the volcanologists ex
26、periences in their own words.Give them some key words and expressions.Then let them try to retell the passage.Step 8 Homework 1.Learn the useful new words and expressions in this part by heart.2.Try to find more pictures showing natural forces and talk about them.Step 9 Reflection after teaching The
27、 second period:Reading Step 1 Lead in Step 2 Fast reading:Read the passage An Exciting Job as quickly as you can and try to get the main idea of the passage.What is the main idea of the passage?A.An eruption occurred in Hawaii.B.A volcanologists job is exciting.C.A volcanologists exciting job and hi
28、s first sight of an eruption.D.A sight of an eruption is horrible.名师整理，助你成功 Step 2 Detailed reading 1.Read the first and the second paragraphs and finish the following tasks.1)Why is a volcanologists job important?_.2)The writer doesnt mind the occasional danger of his job because _.A.He travels to
29、unusual places and meets interesting people from all over the world.B.He likes the different ways of working.C.He thinks his job the most important.D.He is excited about danger and feels alive.3)As a result of the volcanologists job,_.A.other scientists predict the progress of lava from the volcano.
30、B.many people have been warned to leave their homes.C.the eruption causes less damage.D.the eruption may be prevented from breaking out.2.Read the third and the forth paragraphs and finish the following task.1)What made the writer realize that an eruption occurred?2)What does the writer mean by usin
31、g“lucky”in the sentence“I was lucky enough to have a much closer look at it”?A.He felt much safer on the top while the other two scientists climbed 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.3.Read the last paragraph and
32、 prepare 1-2 questions to ask your partner about it.Step 4 Searching reading 1.Analyze the sentence.Having collected and evaluate the information,I helped other scientists to predict where the lava from the volcano will flow next and how fast.2.Which sentence in the test can be replaced by the follo
33、wing one?The reason why I dont mind that my job is sometimes dangerous is that danger can be exciting and make me full of energy.3.I am still amazed at their beauty as well as their potential to cause great damage.“Potential”means:A.possibility B.opportunity 4.Translate the following sentence into C
34、hinese.Having studied volcanoes now for many years,I am still amazed at their beauty as well as their potential to cause great damage.Step 5 Discussion Having learned a little more about the work of a volcanologist,what qualities do you think a volcanologist should have?What quality do you think is
35、the most important?And give your reason.Do you like to be a volcanologist?Step 6 Homework 1.For more information about natural forces,you may refer to:http:/baike.B.名师整理，助你成功 2.Finish the exercises in Discovering useful words and expressions on Page 36.The second period Language study Knowledge and
36、skills:1.Get the students to learn to use the following important new words and phrases freely:absolutely,make ones way,alongside,appoint,wave,suit,potential,actual.2.Get students to understand and use the following important and useful sentence patterns:1)Having collected and evaluate the informati
37、on,I hope other scientists to predict where lava from the volcano will flow next and how fast.2)I was about to go back sleep when suddenly my bedroom became as bright as day.3)The other two climbed down into the crater to collect some lava for later study,but this being ny first experience,I stayed
38、at the top and watched them.Teaching important and difficult points:1.Important new words and expressions:absolutely,make ones way,alongside,appoint,wave,suit,potential,actual.2.Important and useful sentence patterns:1)be about to do.when.2)the ing form used as the adverbial in a sentence 3 Some dif
39、ficult and long sentences in the text.Step 1 Revision 1.Check the homework exercises.2.Ask some students to say something about the power of nature.Step 2 Reading and finding Get students to read through Warming Up,Pre-reading,Reading,Comprehending and Learning about language to underline all the ne
40、w words and useful expressions or collocations in these parts.Read them aloud and copy them down in the exercise book.Step 3 Practice for useful words and expressions 1.Turn to Page 36.Go through the exercises in Discovering useful words and expressions with students and make sure they know what to
41、do.2.Give them several minutes to finish the exercises.They first do them individually,and then discuss and check them with their partners.3.Check the answers with the whole class and explain the problems they meet where necessary.Step 4 Language study 1.consider:考虑,其后接名词/代词/动名词或者从句/疑问词+不定式(to be)co
42、nsider+it+形容词/名词+不定式短语,consider+宾语从句.We are considering going to Hainan for the Spring Festival.He has never considered how to solve the problem.名师整理，助你成功 Do you consider that we can finish the project ahead of time?They considered the plan as reasonable.I consider her to have done wonderfully in th
43、e final exam.Micheal is considered(to be)expert in computer science.We consider that the defendant(被告)is not guilty.2.logy.学论 ist.学家 volcanology 火山学论 oceanology 海洋学论 climatology 气象学论 3.alongside:在.旁边,沿着.的边.The police car pulled up alongside.那辆警车在旁边停下。The boat pulled up alongside the dock(码头).4.equip
44、ment:装备 设备 用具 a piece of equipment 一件设备 The complete equipment of the new hospital will take a year.把这家医院的设备配齐要花一年时间.We never doubted his equipment for this important position.我们对他担任这一要职的能力从未怀疑过.相关短语:equip.for.(为了.而装备,使.有准备),equip oneself/sb./sth.With sth.(用.装备.),be equipped to do sth.(为了做.而装备),be e
45、quipped with.(配备着.).Our laboratory is well equipped.His work experience equipped him to deal with all kinds of people.他的工作经验使他能与个中国移动人打交道.The soldiers are equipped with the modern weapons.5.appoint:任命/委派/约会.相关短语:appoint+n.+(as/to be)(任命某人为.),be appointed as/to be+n.(某人被任命为.),appoint sb.to do sth.(指定
46、某人做.),appoint sb.to sp.(委派某人去某地任职),appoint time for sth.(确定的时间),appoint a place for sth.(确定的地点),make/have/fix an appointment with sb.(与.某人预约),keep/break an appointment(守约/违约),by appointment(按约定,按事先约定的时间)They appointed him(to be)manager.He appointed the schoolhouse as the place for the meeting.他制定校舍为
47、开会地点.They made an appointment for the second day of May.他们在五月二号有个约会.The Director only sees students by appointment.系主任只按规定的时间约见学生.6.evaluate:评估 评价 评估报告 estimate:指由个人做出的主观估价.assess:引申为通过估价以便更好地利用.Evaluate:指使判断绝对准确,但多用于对人物的某方面的评价,很少用于评价某物的市场价值.value:侧重于指一般人对某物的价值或价格所做的估计.Lets evaluate the evidence.I a
48、ttempted an honest evaluation of my own.我试图如实评价我自己的一生.The police estimated the number of demonstrators at about 5,000.警方估计示威者的人数为五千左右.名师整理，助你成功 The value of this property was assessed at one million dollars.财产的价值估计为一百万美元.Our research attempts to evaluate the effectiveness of the different drugs.我们的研
49、究试图对不同的药物的疗效进行评估.I value this necklace at$5,000.我估计这条项链的价值五千美元.7.burn sth.To sth.把某物烧成某种状态.相关短语:burn to death(烧死),burn off(烧掉),burn down(建筑物等被烧毁),burn up(烧旺 烧坏),burn out(烧毁 累坏)He has no place to live in because his house has been burnt to the ground.You have burnt the toast to cinder.你把面包片烧焦了.Dont l
50、eave the gas on you might burn the house down.The house burnt down in half an hour.All the wood has been burnt up.The hotel was completely burnt out.该旅馆毁于大火.If he doesnt stop working so hard,he will burn himself out.8.be about to.when.刚要.这时(when=and then).was(were)doing when.正在.突然.;Not(hardly)had+主语