【课件】Unit2+Topic+3Section+C+课件2022-2023学年仁爱版英语九年级上册.pptx

U2 T3Section CReadingLearning aims:学习目标1.Learn something about renewable power.2.Learn some reading skills.3.Use the reading skills to read and understand.What is it about?Its about air pollution.问题导入问题导入do harm to_ pollution _ pollution_ pollution airwaternoise 酸雨酸雨acid rainsandstormsget ill easily,get a cancer.problemsproblemsbe in danger of dying out.hotter and hotter.自然气候floodDiscussfogUse Renewable EnergyFight Against Pollution/pa/n.动力动力/enrdi/n.能源能源/rnu:bl/adj.可再生的可再生的solar energy太阳能太阳能/sl(r)/Do you know any other renewable energy?问题思考问题思考solar energy太阳能太阳能 wind风能风能waterhydropower水力发电水力发电 tidal energy 潮汐能潮汐能biomass生物能生物能Kinds of Renewable Energygeothermal地热能地热能Renewable EnergyFight Against Pollution/pa/n.动力动力/enrdi/n.能源能源/rnu:bl/adj.可再生的可再生的ABCTitle?Tips:skim and find topic sentences or high frequency words.DElectric vehicles Task 1:read quickly:(2 minutes)略读，找中心句或高频词People all over the world are looking for new ways to produce power.Fast-readingNot relatedA part of the passageNot related问题解决问题解决Task2:read para.3,4,and 5 quickly:(3 minutes)Fast-readingChoose the topic sentences of each paragraph A.Meglev trainB.BiogasC.Electric vehiclesPara.3 Para.4 Para.5 ABCTips:skim and find topic sentences or high frequency words.略读，找中心句或高频词Read Paragraph 3 again,and then mark True(T)or False(F).()Its good that people produce power from coal.()Nuclear power is dangerous.So we cant use it.()To solve the energy problem,people all over the world are looking for new ways to produce power.TFTCareful-reading Task3:read each paragraph carefully and complete the following questions:(8 minutes)Tips：read carefully and make full use of the detailed information.2.What advantages do they have in common?1.How many kinds of renewable energy are mentioned in this passage?What are they?Tips：scan查读.Four.They are the sun,wind,waves,the heat from deep in the earth.Cause no pollution,and never run out.Careful-reading1.What do farmers use to make biogas?2.Is it the biogas perfect?Why?They recycle straw,grass,and animal waste to make biogas.No,it isnt.Because its key disadvantage is that the process requires a long time(up to 30 days)and the cost is high.Careful-reading Electric vehicles were _ in the 1990s.On April 11,2010,a new kind of electric vehicle _“Yezi”was shown in the 2010 Shanghai World Expo.It produces _ from the sun,the wind and CO2.It can not only protect the environment but also _ energy.Its too small to hold many people,but _ models will be developed in the near future.develop,electric,name,save,large developednamedelectricitysavelargerCareful-reading1.去30公里以外的飞机场只需花费人们七分钟的时间。It takes people just 7 minutes to go to the airport 30 km away.2.火车最高时速能够达到每小时431公里。The train can reach a top speed of 431 km per hour.Careful-readingRead 1a again and complete the table.ItemAdvantageDisadvantagebiogas electric vehicle maglev train renewablelong process and high cost for its building save energy,no pollutiontoo small to hold many people quiet,quick,energy-efficient,no pollution much more expensive than traditional steel railways Careful-readingAccording to the passage,which of the following is TRUE?the key word:howeverMaglev trains cause no noise.The maglev train was built in Shanghai.Maglev trains only have advantages.Task 4:read the passage carefully(3 minutes)We can take maglev train everywhere.ABCDPay attention to the sentences with words like“only”,“all”,“every”and so on.Tips:Focus on the key word of each choice and scan;quietCareful-readingwe should use renewable energy to solve energy problems Task 5:read the passage carefully:(3 minutes)ABCD From the passage,the writer wants to tell us _.the disadvantages of using coalTips:Read the first or last paragraph carefully.every coin has two sidesChina is good at producing powerCareful-readingThe underlined phrase“run out”in paragraph 2 means _ in Chinese.A.用光用光 B.跑出去跑出去 C.生产生产 D.制作制作 Task 6:read carefully(1 minute)Tips：focus on logical words and try to understand the context.关键词，上下文需翻译They will never run out,so they are called renewable energy.Careful-readingIf we put the passage into two parts,which of the following structure is the best?Para.2 Para.3 Para.1 Tips：Focus on the topic sentences and the logical words.找每一段的中心句或逻辑词Para.4Para.2 Para.3 Para.1 Para.5ABCPara.2 Para.5Para.1 Para.3 Task 7:read quickly:(3 minutes)Para.5Para.4Para.4Careful-readingTask 8:write an ending(2 minutes)If the passage is short of an ending paragraph,what will the last paragraph be about?用用1-2句话为这篇文章写一个结尾。句话为这篇文章写一个结尾。Tips：Focus on the topic sentences in each paragraph or the logical words in the pasage.找每一段的中心句或逻辑词Post-reading Group work 小组讨论 With the development of science and technology,scientists can find cheaper way to produce renewable power.By using renewable energy,the environment will be better and better and the earth will be more and more beautiful.问题拓展问题拓展1.Skim and find topic sentences or high frequency words.略读，找中心句或高频词5.Read carefully and make full use of the detailed information.基于文本合理选择4.Pay attention to the sentences with words like“only”,“all”,“every”and so on.3.Focus on the key words and scan.查读查读6.Focus on logical words and guess the meanings of the new words from the context.通过上下文猜词意标题和主旨题大意题：标题和主旨题大意题：title,main idea,mainly talk about,the writer wants to tell us题型题型方法方法细节题细节题:（not）true,猜词题猜词题:the word means 结构题：结构题：2.Read the first or last paragraph carefully.7.Focus on the topic sentences and the logical words.找中心句，关联词和逻辑词Group work 小组讨论Do more exercises “If you look the right way,you can see that the whole world is a garden.”These words come from The Secret Garden which first came out in 1911.At that time only the very rich in the UK had gardens.Very soon after this,homes with gardens began to be built.This is what started the English love of gardening.Today millions of Brits(英国人)like to say that they have“green fingers”,with around half the population spending their free time gardening.1.What does the underlined part“green fingers”most probably mean in Chinese?A.园艺技能园艺技能 B.绿色手指绿色手指 C.园艺新手园艺新手 D.绿色指针绿色指针猜词题猜词题 For many people in the UK,their garden is their own private(私人的)world.Each spring,children plant sunflowers and wait to see which one is the tallest.Experienced gardeners know just the right corner for roses,and others spend hours trying to grow perfect vegetables to enter competitions（比赛）.And while many Brits like nothing better than spending their Sunday cutting the grass,some are happy just to sit under the rees and enjoy the beauty of the world around them.2.What is the structure of Paragraph 2A./B./C./D./topic sentence中心句中心句detailed细节细节结构题结构题 But in cities，limited(有限的)space has led to people looking for new solutions.Those without outside space can rent(租借)small pieces of land on which to grow things.Today,there are over 4,000 people in London waiting for such pieces of land.One recent idea has turne ed housetops and walls into private gardens.These gardens have helped make the cities greener and the air cleaner.3.What can we know from the text?A.Brits will keep the gardening going B.Brits want to make the cities richer.C Brits have enough time and money for gardening.D.Brits turned all the housetops and walls into private gardensdetailed细节细节detailed细节细节detailed细节细节细节推理判断细节推理判断 As well as being good for the environment,gardening is also good for the spirit.What other free-time activities allow（允许）you to be at one with nature and create more beautiful things?And take a moment to read this line from The Secret Carden:“Where you tend(照料)a rose.A thistle(蓟)cannot grow.”4.What are mentioned（提及）（提及）in the text?the book that Brits like best Activities Brits do in the gardenThe spirit of experienced gardenersWays to get more space for gardening.A.B.C.D.细节题细节题 5.What is the topic of this text?A Man and society B Man and man C People and nature.D.People and history标题和标题和主旨题主旨题大意题大意题Homework1.Finish the exercise in your exercise book.2.Preview SectionD by using the reading skills you have learned toady