高中英语选修6 Unit5 The power of nature 课件.pptx（纯ppt,不包含音视频素材）

1、ReadingUnit 5 The power of nature2022-12-1 本节课是关于火山爆发的话题，学生对这样的话题都很感兴趣，导入部分用图片激发学生的想象力，然后通过总结和pre-reading 自然的过度到正文。Reading 部分设计成两大块，Fast reading 和Careful reading.主要是通过任务型教学法来训练学生的阅读技能，如 skimming ,skipping 和scanning,从而逐步提高学生的阅读能力。Fast reading 涉及了简答，Careful reading 主要是单选和判断，难度稍微加大，这样整个题目的设置从简到繁，由易到难，也

2、符合学生的认知规律。1.Please name the disasters you know.See the following pictures.Warming up heavy snowearthquakeflood typhoon/hurricaneTyphoon/Cyclone/Hurricane TsunamiSandstormVolcano2.What do you feel when you see those pictures?Have you ever experienced one?Share you experience and feelings.human vs nat

3、ure disaster_ the nature disasters,humans are_.Compared withweak3.Have you ever seen a volcano?volcano-eruptionBoiling rock erupts from the crater;the lava flows slowly down the mountain.Magma chamberLavaCraterAsh cloud/volcanic ash火山爆发的视频，帮学生了解其爆发的真正原因http:/ about the volcano1.How is a volcano form

4、ed?The rocks under the earth become hotter and hotter and erupt from the mountain.Near the oceans.2.Where is most possible for a volcano to erupt?An extinct volcanoHaleakala Crater,the largest dormant volcano in the worldMaui,HawaiiAn active volcano3.What types of volcanoes do you know?dormant volca

5、noPre-reading Can you imagine climbing into a live volcano in order to take the temperature of the boiling rock inside?imaginedoing such dangerous work as part of your job?Answer“yes”or“no”to these questions to find out if you would be suitable for this work.Do a quizQuizAre you suitable for being a

6、 volcanologist?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

7、surface of the earth?If you answered“yes”to all these questions,then volcanology could be a good career for you.Unit 5An Exciting JobRead the passage quickly and answer the following question.Fast reading Reading why is a volcanogists job important?Whats the main idea of the article?Volcanologists s

8、tudy volcanoes so that they can warn people when the volcano is going to erupt and sosave many lives.The writer expressed his love for his job as a volcanologist and told us one of his unusual experience in Mount Kilauea,Hawaii.Look at the paper,try to choose the correct answer.Careful reading1.The

9、writer doesnt mind theoccasional 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 importantD.He is excited about dangers and feels alive2.Whats the main idea of para.3?A

10、.Boiling 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.C.The eruption is much more exciting to watch.D.There had been an eruption in the side of the mountain.A.He left much safer on the top while

11、theother 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.3.What does the writer mean by using“lucky”in the sentence“I was lucky enough to have a much closer look at it.”?The structure of passage.Ca

12、reful readingPart 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 job2.Find out the main idea of each part(4m)1.Find out words,expressions and sentences which you think

13、 are useful,important or difficult to understand.2.Finish exercises in Learning about language.(Ex 1,2)Unit 5 The power of natureVocabulary 本节课解释重点单词及其用法拓展，本课的设计思路遵循在语境中学习英语语言。用根据首字母填写单词导入新课，既巩固了语言点，又达到了让学生自我检测的目的。在讲解重点词汇时，既列举了实例，又给出了准确的中文翻译，中英文结合，更好的帮学生理解和学习语言点。在语言点的扩展上，有不同词性的转化扩展，还有同类短语的总结，让学生更系统的

14、掌握相关知识点。巩固练习，以改错的形式呈现，考查学生的知识再现能力和语言知识的准确性。I.根据下列各句句意及所给单词的首字母或根据下列各句句意及所给单词的首字母或汉语提示汉语提示,写出各单词的正确形式。写出各单词的正确形式。1.You should be able to e_ your own work.2.It was u_ that Larry broke his leg on the first day of the holiday.valuatenfortunateLead in 3.“Youre wrong,”she said with a_ certainty.4.I am ver

15、y surprised that she has so many f_ dreams.5.The parks of this city are famous for their beautiful _(喷泉喷泉).6.The _(潜在的潜在的)side effects of the drug are unknown.bsoluteantasticfountainspotential2022-12-11.Have you ever considered how weak humans are compared with a volcano,hurricane or earthquake?你是否想

16、过，你是否想过，和火山，飓风或地震和火山，飓风或地震 相比人类是何等脆弱。相比人类是何等脆弱。2022-12-1 consider 思考思考,主要用于：主要用于：consider+名词名词/-ing形式形式:He is considering studying abroad.他正在考虑出国留学。他正在考虑出国留学。2022-12-1consider+wh-:We considered how we should help them.我们仔细考虑应该如何帮助他们。我们仔细考虑应该如何帮助他们。consider+副词：副词：Consider carefully before you decide.

17、要慎重考虑后再作决定。要慎重考虑后再作决定。2022-12-12.Do you enjoy taking risks?risk n.风险，危险：风险，危险：He was taking a risk by overtaking on a bend.他在转弯处超车是在冒风险。他在转弯处超车是在冒风险。The house is a fire risk.这房子有起火的危险。这房子有起火的危险。2022-12-1 短语联想：短语联想：at risk 在危险中在危险中:You are at risk if you dont wear a seat belt.不系安全带真的会有危险。不系安全带真的会有危险。

18、2022-12-1at the risk of 冒冒危险危险At the risk of seeming rude,I must refused your request,Im afraid.尽管似乎无理，恐怕我还是必须拒尽管似乎无理，恐怕我还是必须拒绝你的要求。绝你的要求。2022-12-13.Having collected and evaluated the information,I help other scientists to predict where lava from the volcano will flow next and how fast.考点考点 Having c

19、ollected and evaluated是是动词动词-ing形式的完成式，说明它表示的动形式的完成式，说明它表示的动作在主要谓语表示的动作之前发生。作在主要谓语表示的动作之前发生。考例考例1 The storm left,_ a lot of damage to this area.A.caused B.to have caused C.to cause D.having caused 2022-12-1点拨点拨“暴风雨破坏暴风雨破坏”这个动作发生在这个动作发生在left之前，故用动词之前，故用动词-ing形式的完成式。形式的完成式。考例考例2 _ in the queue for hal

20、f 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 点拨点拨 此处强调已等了半个小时，然后才此处强调已等了半个小时，然后才意识到没带钱包，故用动词意识到没带钱包，故用动词-ing形式的完形式的完成式。成式。2022-12-14.Many houses have been covered with lava or burned to the ground.许多房屋被熔岩覆盖或烧毁。许多房屋被熔岩覆盖或

21、烧毁。burn to the ground 指楼等被烧毁指楼等被烧毁 He has no place to live in because his house has been burnt to the ground.他无处栖身因为他的房子被烧掉了。他无处栖身因为他的房子被烧掉了。2022-12-1短语联想：短语联想：burn away 烧掉烧掉The wood had burnt away to nothing.木头已烧成灰烬。木头已烧成灰烬。2022-12-1burn down(建筑物建筑物)烧毁：烧毁：The cinema burnt down last year.电影院去年被烧毁了。电

22、影院去年被烧毁了。The school was burnt down by vandals.学校被人纵火烧毁了。学校被人纵火烧毁了。2022-12-1burn off 烧掉烧掉He was badly injured in the accident,and his hair was burnt off.他在事故中严重受伤，头发也被烧掉了。他在事故中严重受伤，头发也被烧掉了。burn out 烧坏烧坏The engine had burnt out.引擎给烧坏了。引擎给烧坏了。2022-12-1 burn up 烧毁，燃得更亮烧毁，燃得更亮/旺旺 The rocket burnt up when

23、 it reentered the earths atmosphere.火箭重入地球大气层时烧毁。火箭重入地球大气层时烧毁。He put more wood in the fire to make it burn up.他往火上加木材想让他烧的更旺。他往火上加木材想让他烧的更旺。2022-12-15.Having earlier collected special clothes from the observatory,we put them on before we went any closer.考点考点 earlier是副词是副词early的比较级，意的比较级，意为为“早些早些”。考例

24、考例 The new group of students is better-behaved than the other group who stayed here _.A.early B.earlierC.earliest D.the earliest2022-12-16.We slowly made our way to the edge of the crater.我们慢慢向走火山口的边缘。我们慢慢向走火山口的边缘。make ones way （向某地）走（去）（向某地）走（去）2022-12-1She hesitated,but made her way forward.她犹豫了一下

25、，但向前走去。她犹豫了一下，但向前走去。She hastily left the room,and made herway to her bed.她迅速离开房间，朝她床边走去。她迅速离开房间，朝她床边走去。2022-12-1短语比较：短语比较：make ones way 还表示还表示“有出息有出息”If you want to make your way in the world,you must learn to work hard while you are still young.你若想要有出息，趁年轻的时候要学会你若想要有出息，趁年轻的时候要学会发奋。发奋。2022-12-1make

26、way(for)让路，让位让路，让位All the traffic has to make way for a fire engine.所有的车辆都得给救火车让道。所有的车辆都得给救火车让道。I shall make way for a younger man.我将把职位让给更年轻的人。我将把职位让给更年轻的人。2022-12-17.Today,I am just as enthusiastic about my job as the day I first started.如今，如今，我和开始从事这项工作时我和开始从事这项工作时 一样满怀热情。一样满怀热情。enthusiastic(abou

27、t)感兴趣的，热心的感兴趣的，热心的 2022-12-1She seemed enthusiastic about the idea.她好象对这个主意很感兴趣。她好象对这个主意很感兴趣。We got an enthusiastic response from our customers.我们得到了顾客们的热情反应。我们得到了顾客们的热情反应。下列各句均有一处错误，请指出并改正。下列各句均有一处错误，请指出并改正。1.He was about to leave the room while the telephone rang.2.Help is in the way to the people

28、 who are struck by the flood.whenon3.He worked late into the night,prepared a long speech.4.The girl told us the whole thing in an exciting voice.5.As though hes 24 now,hes still like a little child.preparingexcited Even 1.Finish exercise 1&2 on P71.2.Underline sentences in the reading passage that

29、use the ing form.GrammarUnit 5 The power of nature ing分词作为非谓语动词的一部分，既是高中知识的重点也是学生容易错的知识点，有必要把它更加细化的去讲解，因此，本课主要讲述ing分词的一般式和完成式。首先，用讲授法系统的讲述doing和having done 以及其被动语态，然后，讲述ing形式做状语的几种情况，时间状语，原因状语，条件状语，伴随状语和结果状语等栏目下，都给出了中英例句，帮学生理解。最后比较了不定式，过去分词和v-ing形式的用法，并且及时巩固，能够消除学生对这一知识点的误区.本课件中的练习以改错为主，这也是出于和全国高考卷中

30、改错题型保持一致的目的。-ing分词的构成分词的构成 -ing分词是由动词原形加词尾-ing构成，表示与主语主动关系。-ing分词同样有时态和语态的变化，通常有下表几种形式（以do为例）主动形式被动形式一般式doingbeing done完成式having donehaving been done，完成所表示的时间在主句的动作之前表示被动可直接用过去分词V+ed用法例句时间Walking along the street,I met Mary.(=While I was walking along the street.)在街上走的时候，我遇到了玛丽。用法例句原因Being tired,I s

31、topped to take a rest.(=Because I was tired,.)因为疲倦，我停下来休息。条件Turning to the left,you will find the school.(=If you turn to the left,.)向左走，你就会找到那个学校。用法例句让步 Knowing where I live,he never come to see me.(=Though he knows where I live,.)尽管他知道我的住处，但从不来看我。用法例句伴随I stood there,waiting for her.(=,and waited f

32、or her.)我站在那儿等她。结果It rained heavily,causing severe flooding in the area.(=It rained heavily so that it caused severe flooding in the area.)在这个地方雨下的如此大，以至引发了洪灾。2.ing形式的完成式形式的完成式句型主动Having+p.p.,主语+谓语被动(Having been)+p.p.,主语+谓语用法ing形式的完成式所表示的时间在谓语动词之前 表示被动可直接用过去分词例句Having finished my work,I went home.(=

33、After I had finished my work,.)工作做完只后，我就回家了。-ing分词的否定形式是由not/never加-ing分词构成。如：Not knowing his address,I could do nothing but stay at home and wait.不知道他的地址，我只好在家里等着。-ing-ing分词的被动式分词的被动式-ing分词的被动式表示与后面句子的主语是被动关系。根据-ing分词动作发生的时间，被动式有一般被动式(being done)和完成被动式(having been done)。如：（Having been criticized）by

34、 the teacher,he gave up smoking.被老师批评以后，他把烟戒了。_ 主动，进行主动，进行_ 被动被动,完成完成_ 将来；目的将来；目的_强调动作先发生强调动作先发生 being done to be donehaving been done 非谓语动词非谓语动词 to do/doing/done/having done having doneto dodonedoing1.1.看主语，辨主被动看主语，辨主被动2.2.看时态，辨。看时态，辨。1.Having not seen the film,I cant tell you what I think of it.2.

35、The men worked for extra hours got an extra pay.3.Seen from the top of the hill,we find the city more beautiful.4.Generally speak,facial expressions are helpful communications,too.Not havingworkingSeeingspeaking单句改错单句改错5.“Cant you read?”the man said,angrily pointed to the notice on the wall.6.Knocki

36、ng at the door before entering,please.7.European football is played in 80 countries,made it the most popular sport in the world.pointingKnockmaking(6)与逻辑主语构成独立主格：与逻辑主语构成独立主格：I waiting for the bus,a bird fell on my hair.我等汽车时，一只鸟落到我头上。我等汽车时，一只鸟落到我头上。All the tickets having been sold out,they went away

37、 disappointedly.所有的票已经卖光了，他们失望地离开了。所有的票已经卖光了，他们失望地离开了。Time permitting,well do another two exercises.如果时间允许，我们将做另两个练习。如果时间允许，我们将做另两个练习。有时也可用有时也可用with(without)+名词（代词宾格）名词（代词宾格）+分词分词形式形式With the lights burning,he fell asleep.他点着灯睡着了。他点着灯睡着了。独立成分：独立成分：有些分词短语可以做独立成分，用来解释整个句子，有些分词短语可以做独立成分，用来解释整个句子，不受句子主语

38、的限制。常见的分词短语有：不受句子主语的限制。常见的分词短语有：generally(frankly,honestly)speaking,supposing(假设假设),judging from(从从判断判断),talking of（谈到（谈到),speaking of（谈到）（谈到）等。等。Generally speaking,girls are more careful than boys.Supposing you lose,what will you do?Judging from his accent,he must be from the north.Talking of trave

39、l,have you ever been to Beijing?使用使用-ing形式需注意的形式需注意的4个问题个问题.1 1、分词、分词(短语短语)作状语时作状语时,前后两个前后两个动作的主语是同一个人。动作的主语是同一个人。2 2 、分词短语做状语时，前面可以加上连、分词短语做状语时，前面可以加上连词或介词，但是分词短语和句子之间不能词或介词，但是分词短语和句子之间不能用并列连词用并列连词(如如butbut，and)and)，分词和主句之分词和主句之间可用逗号。间可用逗号。3 3、用、用V+ingV+ing一般式一般式 还是还是Having+doneHaving+done完成完成式，要看前

40、后两个动作有没明显的先后顺式，要看前后两个动作有没明显的先后顺序，在可能引起误解的场合应该用完成式序，在可能引起误解的场合应该用完成式现在分词表示先发生的动作。现在分词表示先发生的动作。4 4、分词的否定形式是在分词短语前面加上、分词的否定形式是在分词短语前面加上 not,nevernot,never等否定词构成。等否定词构成。After he heard a strong sound,he went out of the room for a look.=Having heard a strange sound,he went out of.As the girl was seriously

41、 ill,she was taken to hospital immediately.Being seriously ill,the girl was taken to.be-being As she didnt know any French,she couldnt get any one to help her.Not knowing any French,she couldnt get any one to help her.1.The stranger said something in a _ voice and the little girl was very much _ A.f

42、rightening,frightened B.frightened,frightening C.frightening,frightening D.frightened,frightenedChoose the best answer.2._the piano,someone suddenly knocked at the door.A.Playing B.When I was playing C.Repairing D.Examining 3.Mother caught the boy _ in the corner.A.smoke B.to smoke C.being smoked D.

43、smoking 4._ the programme,they have to stay there for another 2 weeks.A.Not completing B.Not completed C.Not having completed D.Having not completed5.“We cant go out in this weather”,said Bob,_ out of the window.A.looking B.to look C.looked D.having looked 6.Though _ money,his parents managed to sen

44、d him to university.A.lacked B.lacking of C.lacking D.lacked in Reading and writingUnit 5 The power of nature 本课件主要是the lake of heaven 而进行的阅读写作课，旨在提高学生的阅读和写作能力，以及语言输入向语言输出的转化能力。首先，用中国旅游景点图片引入主题，让学生感受大自然的美。，增强学生的兴趣和更好的激发他们的想象力。在阅读部分，设置了表格题、简答题和单选题，True or false 等，更好的帮学生提高阅读技能，掌握more details,深层次的理解课文。

45、最后的Writing,也是长白山的，而且给了很多的提升，给学生提供了写作思路，很容易上手，这样就自然的就能实现语言的输出。Some tourist attractions in China Mount TaiMount HuaJiu Zhai GouGiant panda Research CenterHot springTianchiThe Lake of HeavenReading and ComprehensionReading and ComprehensionReading the article and tell thestatements are true or false:1.

46、Changbaishan is the second largest nature reserve in China.2.The peak of Changbaishan can reach as high as 2,000 meters.FThttp:/ 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

47、to be good at language and persuasion.FTFRead the text and fill in the blanksChangbaishan PositionIn Jilin Province.Height1 _ from 700 metres above sea level to over 2_ .Varies2,000 metres ChangbaishanAttraction Many people come to study the 3 _ plants and animals.Others come to walk in the mountain

48、s,to see the spectacular 4 _ or to 5 _ in the hot water pools.unique waterfallsbatheAttraction 6_ It has formed in the crater of a dead volcano on 7 _ of Changbaishan.Its 2,194 metres above sea level and more than 200 metres 8 _.Views are the 9_ waters and sixteen mountain peaks that 10_ it.Lake of

49、Heaven/Tianchitopdeepcrystal clearsurroundCareful Reading1.Read the first paragraph and answer the following questions.1)Where is Changbaishan?2)How important is Changbaishan?3)How high is Changbaishan?4)What kinds of rare animals are there in Changbaishan?5)Why do people come to Changbaishan?6)What

50、s the most popular attraction of Changbaishan?Changbaishan is in Jilin Province,Northeast China.2)How important is Changbaishan?Changbaishan is Chinas largest nature reserve and is kept in its natural state for the people of China and visitors from all over the world to enjoy.3)How high is Changbais