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1、Global WarmingCan you describe this cartoon?From the cartoon,we a draw a conclusion:Listthingsthatuseenergysourcesofenergyrenewable/non-renewable We depend on energy to do many things in our daily lives.Make a list of the things that consume energy in your home,school or any other places.Lights,heat
2、ing,television,pad,video recorder,computer,fridge,washing machine,hair dryer,air conditioner,cars.Where does the energy come from?Energy sources:renewable and non-renewable sources.Renewable sources:energy sources that never run out.Non-renewable:energy sources that will run out one day.Make a list
3、of energy sources.a coal power Station(燃煤发电站燃煤发电站)non-renewablecoalwind power(风力风力)renewable Oil(an oil refinery)炼油厂炼油厂non-renewablerifainri精炼厂精炼厂 solar-energyrenewable nuclear energy (a nuclear power plant核电站核电站)natural gas Plant waste hot springs(温泉温泉)the sea(tidal energy潮汐能潮汐能)Water(hydro-electri
4、c power)non-renewablerenewablerenewablerenewablerenewablenon-renewablemore sources of energy renewable or non-renewable1.consume energy 2.greenhouse3.greenhouse gases4.the greenhouse effect5.degree Fahrenheit6.degree Celsius7.atmosphere8.fossil fuel9.carbon dioxide10.renewable source11.non-renewable
5、 source12.Natural resources消耗能源消耗能源温室温室温室气体温室气体温室效应温室效应华氏度华氏度摄氏度摄氏度大气层大气层化石燃料化石燃料二氧化碳二氧化碳可再生资源可再生资源不可再生资源不可再生资源天然资源天然资源Related words:frnhait selsis Now that we have learned some sources of energy are non-renewable,What should we do with energy?-We should save energy and thus reduce the emission(排放)o
6、f greenhouse gases.a greenhousePre-readingWhat is a greenhouse made of?How does it work?It is made of _and plants can grow in it when its cold outside,because the glass_ the heat_ the sun and keeps it from _.This makes the greenhouse _ _and so the plants can grow throughout the cold period.glass tra
7、psfromescapingheat up What function do greenhouse gases play?Greenhouse gases perform the same function as _of a glasshouse.They _heat from the sun and keep the air s_the earth warm,which is called _effect.温室效应温室效应Do we need those gases?Without the“greenhouse effect”,what would happen?The earth woul
8、d be about 33 cooler than it is.the glass trapurroundingthe greenhouse The Earth is Becoming Warmer-But Does It Matter?1)Howmanyparagraphsdoesthereading2)Whatarethetwographsabout?3)Whatskillsareusedinthefourparts?Read the passage quickly(3)textconsistof?Pleasenumberthem.Fast-ReadingWhatarethetwograp
9、hsabout?ThefirstgraphshowsthetemperatureincreaseofonedegreeFahrenheitbetween1860to2000.Thesecondgraphshowsthecarbondioxidecontentintheatmospherefrom1957to1997.Mainideasofeachpart:skillsPart1Part1(1)(1)Introduceadebateovertheissueofglobalwarming.raisingaquestionPart2Part2(2-5)(2-5)Howglobalwarmingcom
10、esabout.giving examples,usinggraphs,explanation Part3Part3(6)(6)Listtwodifferentattitudesamongscientiststowardsglobalwarming.Part4Part4(7)(7)Itsuptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarmingornot.givingexamples,makingcontrastleavingaquestion Whowritesthisarticle?SophieAr
11、mstrongofEarth CareWhatroseaboutonedegreeFahrenheit?Thetemperatureoftheearth.Careful readingPart1Part1(1)(1)Introductionofglobalwarming.2._1._Part2Part2(2-5)Howglobalwarmingcomesabout?theburningoffossilfuels humanactivityCarbondioxideMethaneWhataretheGreenhousegases?1.2.3.WatervaporPart3Part3(6)(6)W
12、hat are the effects of global warming?variseinthesealevelvSeverestorms,droughts,famines,thespreadofdiseases,andthedisappearanceofspeciesvMakeplantsgrowfaster1.The different ideas between Dr.Janice Foster&George HambleyDr.JaniceFoster GeorgeHambleyCarbondioxidehascausedtheglobaltemperatureto_.Anincre
13、aseoffivedegreeswouldbea_andcouldbe_.Morecarbondioxideisa_thing,whichmakescrops_moreandwillencourage_.go upcatastrophevery seriouspositiveproduceagreaterrangeofanimalsA statement:We should do nothing about global warming.Agree or disagree?Why?Group-discussion:Save energy:for example_Traffic:Recycle
14、waste(bottle,can,plastic bags),circumstances permittingBuy some energy-saving thingsPlant treesTry to advocate something about global warmingNew words and expressions:come about:be at random:subscribe to:quantities of:go up:result in:be opposed to:even if:keep on:on the whole:on behalf of:put up wit
15、h:发生；造成发生；造成随机的；任意的随机的；任意的同意，赞成；订购；捐献同意，赞成；订购；捐献大量的大量的上升；增长；升起上升；增长；升起导致；造成导致；造成反对反对即使；尽管即使；尽管继续继续大体上；基本上大体上；基本上代表代表一方一方忍受；容忍忍受；容忍Para 1:but it is a rapid increase when it is compared to other natural changes._ with the size of the whole earth,the biggest ocean doesnt seem big at all.A.Compare B.Whe
16、n comparing C.Comparing D.When comparedD解析：when the biggest ocean is compared with the size of the whole earth,the biggest ocean doesnt seem big at all.Comparevt.1)比较比较;对照对照comparewith表示表示“把把与与相比相比(同类相比同类相比)”如：如：Compareyouranswerswithyourpartners,andyoumayfindthecorrectanswer.2)喻为喻为;比拟比拟compareto表示表
17、示“把把比做比做(异异类相比类相比,比喻比喻)”如：如：Ateacherisoftencomparedtoacandle.知识拓展知识拓展becomparedto/with与与相比相比,一般在句子中作状语。一般在句子中作状语。Comparedto/withmanywomen,eabout:发生发生,造成造成,相当于相当于happenHowdidthiscomeabout?Withthereformandopening-uppolicy,eout出现出现;传开传开;出版出版comeover来访来访comeacross偶遇偶遇cometov.想起；共计Whenhecametoandraisedhi
18、shead,hesawBarney.2.Sohowhasthiscomeaboutanddoesitmatter?comeabout是不及物短语。如：是不及物短语。如：Pleasetellmehowtheaccident_.Iamstillinthedark.A.camebyB.cameoutC.cametoD.cameaboutDPara2:there is no doubt that the earth is becomingdoubt1)作不可数名词作不可数名词,作作“疑惑疑惑;怀疑怀疑”肯定句中肯定句中doubt为为n.多接多接whether(一般不用一般不用if代替代替)同位语从句。
19、如同位语从句。如:Theressomedoubt_hellkeephispromise.他会不会信守诺言还难说。他会不会信守诺言还难说。Shehadherdoubts_thenewbookwouldsellwell.她怀疑新书是否会畅销。她怀疑新书是否会畅销。whetherwhether用于否定句或疑问句用于否定句或疑问句,后接后接that引导的宾语引导的宾语从句。如从句。如:Idontdoubt_heistellingthetruth.我毫不怀疑他在讲真话。我毫不怀疑他在讲真话。Doyoudoubt_hewillwinthematch?你怀疑他会赢这场比赛吗你怀疑他会赢这场比赛吗?用于肯定句
20、用于肯定句,doubt为动词，一般接为动词，一般接whether或或if引导的引导的宾语从句宾语从句。如如:Idoubt_wewillmakeaprofitoutofit.我认为我们不可能从此事中获利。我认为我们不可能从此事中获利。Wedoubt_shewillbepersuaded.我们不知道她会不会被说服。我们不知道她会不会被说服。whether/ifwhether/ifthatthat强调句型：it is/was+被强调部分+that/who+其他Para 2:It is(human activity)that has caused this global warming rather
21、than a random but a natural phenomenon.Para 4:It was(a scientist called Charles Keeling)who made accurate measurements of the amount of carbon dioxide in the atmosphere from 1957 to 1997.Para 5:They also agree that it is(the burning of more and more fossil fuels)that has resulted in this increase in
22、 carbon dioxide.强调句型的特征;去掉去掉it is/was和和that/who仍是完整的一句话1.是他他做的这个决定。2.我们在学校门口遇到的是他他。3.Tom是在公园在公园丢失的手表。/?4.就是当当Mary正准备睡觉的时候正准备睡觉的时候电话响了。It is he who made the decision.It was him that we met at the school gate.It was in the park that Tom lost his watch.It was when Mary was about to go to bed that the t
23、elephone rang.Was it in the park that Tom lost his watch?Where was it that Tom lost his watch?1._ find my wallet，Tom？A.Where did you thatB.Where was it youC.Where have youD.Where was it that you 2.It is the ability to do the job _matters，not where you came from or what you are.A.one B.it C.what D.th
24、at3.It was not _she took off her glasses _I realized she was a famous film star.A.when,that B.until,thatB.C.until,when D.when,thenDDBPara 3:All scientists subscribe to the view that the increase in the earths temperature is due to the burning of fossil fuels 模仿写句子：模仿写句子：所有老师都同意这个观点：课堂使用手机是由于学生们缺乏自所有
25、老师都同意这个观点：课堂使用手机是由于学生们缺乏自制力。制力。All the teachers _using mobile phone in class _a lack of self-control.同位语从句同位语从句is due to subscribe to the view that subscribeto:-n.subscription1)同意同意;支持支持我不同意这样的观点。我不同意这样的观点。2)向（某个基金、项目或慈善事业）捐款（多指定期捐款）donateto许多人为救灾基金解囊。许多人为救灾基金解囊。Idontsubscribetosuchviews.救灾基金救灾基金the
26、relieffundManypeoplesubscribedalargesumofmoneytotherelieffund3)(在文件等下面在文件等下面)签名签名*你可以在文件上签下你的你可以在文件上签下你的名字么？名字么？Canyousubscribeyourname_thedocument?4)订阅订阅(书籍等书籍等)HesubscribedtoReadersDigest.他订阅他订阅读者文摘读者文摘。toSome byproducts of this process are called“greenhouse”gases,the most important one of which i
27、s carbon dioxide.我们班有55个学生，其中40个是女生。Our class consists of 55 students,40 of whom are girls.仓库(garage)里有些桌子，其中一些桌子是坏的There are some desks in the garage,some of which are broken.Para 3:Without the“greenhouse effect”,the earth would be about 33 degrees Celsius cooler than it is.含蓄虚拟语气：without,or,otherw
28、ise,but,but for与现在事实相反：与过去事实相反:would/might/could+vwould/might/could+have doneWithout air,man _ exist on the earth.A.couldnt B.cant C.may not D.wontWithout your help,I _ the exam last week.A.would have passed B.would have failed C.will fail D.would failABIt means that more heat energy tends to be tra
29、pped in the atmosphere causing the global temperature to go up.It means that为宾语从句为宾语从句倾向于/常常做某事：照顾某人：tend to do sthtend(to)sb“causing the global temperature to go up.”现在分词作状语现在分词作状语现在分词：表主动，进行tend to someones needsPara 6 do the correction below!1.However,the attitudes of scientists towards this rise
30、 are complete different.2.Unfortunate,he lost his money on his way home.3.English is wide spoken around the world.4.What your mother said is exact sensible.5.He speaks English fluent.exactlywidelyUnfortunatelycompletelyfluently副词可以修饰动词，形容词，过去分词动词，形容词，过去分词Para 6:There are those,like George Hambley,wh
31、o are opposed to this view and believe that we should not worry about high levels of carbon dioxide.who 引导的非限制性定语从句非限制性定语从句believe引导宾语从句宾语从句opposevt.反对反对;反抗反抗如：如：Heisstronglyopposedtotheplan.他强烈反对这一计划。他强烈反对这一计划。opposesth./doingsth.反对某事反对某事/做某事做某事beopposedtosth./doingsth.反对某事反对某事/做做sth.oppose后若接动词后若接
32、动词,则用其则用其doing形式，形式，而不用动词不定式。而不用动词不定式。opposedoingsth.=objecttodoingsth.反对做某事反对做某事+n.state+that从句从句+wh-从句；从句；他已公开他已公开声明声明他会他会支持支持那项政策。那项政策。Hehaspublicly_forthepolicy.stated his support我听见那位官员说不接纳我听见那位官员说不接纳Libya难民。难民。Iheardtheofficial_(state)thattheywouldnotaccepttherefugeefromLibya.Inagood/bad/poors
33、tate处于处于好好/不好不好/差的状况差的状况v.陈述陈述,声明；声明；n.状况状况,情况情况;国家；国家；n.状况状况,情况情况;国家；国家；stateNew words and expressions:come about:be at random:subscribe to:quantities of:go up:result in:be opposed to:even if:keep on:on the whole:on behalf of:put up with:发生；造成发生；造成随机的；任意的随机的；任意的同意，赞成；订购；捐献同意，赞成；订购；捐献大量的大量的上升；增长；升起上
34、升；增长；升起导致；造成导致；造成反对反对即使；尽管即使；尽管继续继续大体上；基本上大体上；基本上代表代表一方一方忍受；容忍忍受；容忍课堂检测：Find the words or phrases in the text to replace the underlined ones.Itisclearthatglobalwarminghasbecomeoneofthemostseriousproblemswhichhumanbeinghavetoface.Buthowdoesthishappen?Allscientistsagreetotheviewthattheearthstemperatur
35、egoingupisbecauseoftheburningoffossilfuels,whichcanproducesomegreenhousegases.ThereisnodoubtcomeaboutsubscribetotheincreaseintheearthstemperatureduetoRevision:(Find the expressions in the text to replace the underlined ones.)Greenhouseeffecthasapositiveeffect.Iftherewerenogreenhouseeffect,theearthst
36、emperaturewouldbemuchlowerthanitis.Theproblemisthatwhenlotsofextracarbondioxideisintheatmosphere,moreheatenergyislikelytobetrappedintheatmospherewhichcanleadtotheincreaseoftheglobaltemperature.Withoutthegreenhouseeffecthugequantitiesoftendstocausing/resultinginSomethinktheriseofthetemperaturewouldbe
37、aseriousdisaster,whichcanresultinseverestorms,floods,droughts,famineandextinctionofspecies.Someareagainstit.Firstly,theythink,itwillbenefitmanyanimals.Secondly,warmingwillbenotsosevereandtheirconsequencesarenotsobad.are opposed to warming will be mild with few bad environmental consequences.a catastrophedisappearance