Unit 4 Warming up and Reading -高中英語(yǔ)人教新課標(biāo)選修六

Unit4GlobalWarmingGlobalWarmingCanyoudescribethiscartoon?Fromthecartoon,weadrawaconclusion:Listthingsthatuseenergysourcesofenergyrenewable/non-renewableWedependonenergytodomanythingsinourdailylives.Makealistofthethingsthatconsumeenergyinyourhome,schooloranyotherplaces.Lights,heating,television,pad,videorecorder,computer,fridge,washingmachine,hairdryer,airconditioner,cars….Wheredoestheenergycomefrom?Energysources:renewableandnon-renewable

sources.Renewablesources:energysourcesthatneverrunout.Non-renewable:energysourcesthatwillrunoutoneday.Makealistofenergysources.acoalpowerStation(燃煤發(fā)電站)non-renewablecoalwindpower(風(fēng)力)renewableOil(anoilrefinery)

煉油廠non-renewable[ri'fain?ri]精煉廠

solar-energyrenewable

nuclearenergy(anuclearpowerplant核電站

)naturalgasPlantwastehotsprings(溫泉)thesea(tidalenergy潮汐能

)Water(hydro-electricpower)non-renewablerenewablerenewablerenewablerenewablenon-renewablemoresourcesofenergyrenewableornon-renewable1.consumeenergy2.greenhouse3.greenhousegases4.thegreenhouseeffect5.degreeFahrenheit6.degreeCelsius7.atmosphere8.fossilfuel9.carbondioxide10.renewablesource11.non-renewablesource12.Naturalresources消耗能源溫室溫室氣體溫室效應(yīng)華氏度攝氏度大氣層化石燃料二氧化碳可再生資源不可再生資源天然資源

Relatedwords:['f?r?nhait]['selsi?s]Nowthatwehavelearnedsomesourcesofenergyarenon-renewable,Whatshouldwedowithenergy?---Weshouldsaveenergyandthusreducetheemission(排放)ofgreenhousegases.agreenhousePre-readingWhatisagreenhousemadeof?Howdoesitwork?Itismadeof_____andplantscangrowinitwhenit’scoldoutside,becausetheglass______theheat______thesunandkeepsitfrom_______.Thismakesthegreenhouse_________andsotheplantscangrowthroughoutthecoldperiod.glass

trapsfromescapingheatupWhatfunctiondogreenhousegasesplay?

Greenhousegases

performthesamefunctionas_________ofaglasshouse.They_____heatfromthesunandkeeptheairs________theearthwarm,whichiscalled___________effect.

溫室效應(yīng)Doweneedthosegases?Withoutthe“greenhouseeffect”,whatwouldhappen?Theearthwouldbeabout33℃coolerthanitis.theglass

trapurroundingthegreenhouseTheEarthisBecomingWarmer--ButDoesItMatter?

1)Howmanyparagraphsdoesthereading

2)Whatarethetwographsabout?3)Whatskillsareusedinthefourparts?Readthepassagequickly(3’)textconsistof?Pleasenumberthem.Fast-ReadingWhatarethetwographsabout?ThefirstgraphshowsthetemperatureincreaseofonedegreeFahrenheitbetween1860to2000.Thesecondgraphshowsthecarbondioxidecontentintheatmospherefrom1957to1997.Mainideasofeachpart:skillsPart1(1)Introduceadebateovertheissueofglobalwarming.raisingaquestionPart2(2-5)Howglobalwarmingcomesabout.giving

examples,usinggraphs,explanation

Part3(6)Listtwodifferentattitudesamongscientiststowardsglobalwarming.Part4(7)It'suptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarmingornot.givingexamples,makingcontrastleavingaquestion

Whowritesthisarticle?SophieArmstrongofEarthCareWhatroseabout

onedegreeFahrenheit?Thetemperatureoftheearth.CarefulreadingPart1(1)Introductionofglobalwarming.2.___________________________1.___________________Part2(2-5)How

globalwarmingcomesabout?theburningoffossilfuels

humanactivityCarbon

dioxideMethaneWhataretheGreenhousegases?1.2.3.Water

vapor

Part3(6)Whataretheeffectsofglobalwarming?ariseinthesealevelSeverestorms,droughts,famines,thespreadofdiseases,andthedisappearanceofspeciesMakeplantsgrowfaster1.ThedifferentideasbetweenDr.JaniceFoster&GeorgeHambleyDr.JaniceFoster

GeorgeHambleyCarbondioxidehascausedtheglobaltemperatureto__________.Anincreaseoffivedegreeswouldbea___________andcouldbe_____________.Morecarbondioxideisa__________thing,whichmakescrops__________moreandwillencourage______________________________.go

upcatastrophevery

seriouspositiveproduceagreaterrangeofanimalsAstatement:Weshoulddonothingaboutglobalwarming.Agreeordisagree?Why?Group-discussion:Saveenergy:forexample_______________Traffic:Recyclewaste(bottle,can,plasticbags),circumstancespermittingBuysomeenergy-savingthingsPlanttreesTrytoadvocatesomethingaboutglobalwarming…Newwordsandexpressions:comeabout:beatrandom:subscribeto:quantitiesof:goup:resultin:beopposedto:evenif:keepon:onthewhole:onbehalfof:putupwith:發(fā)生；造成隨機(jī)的；任意的同意，贊成；訂購(gòu)；捐獻(xiàn)大量的上升；增長(zhǎng)；升起導(dǎo)致；造成反對(duì)即使；盡管繼續(xù)大體上；基本上代表…一方忍受；容忍Para1:…butitisarapidincreasewhenitiscomparedtoothernaturalchanges._____withthesizeofthewholeearth,thebiggestoceandoesn’tseembigatall.CompareB.WhencomparingC.ComparingD.WhencomparedD解析：whenthebiggestoceaniscomparedwiththesizeofthewholeearth,thebiggestoceandoesn’tseembigatall.Compare

vt.1)比較;對(duì)照

compare…with…表示“把……與……相比(同類相比)”如：Compareyouranswerswithyourpartners,andyoumayfindthecorrectanswer.

2)喻為;比擬compare…to…

表示“把……比做……(異類相比,比喻)”如：

Ateacherisoftencomparedtoacandle.知識(shí)拓展becomparedto/with與……相比,一般在句子中作狀語(yǔ)。Comparedto/withmanywomen,eabout:

發(fā)生,造成,相當(dāng)于happenHowdid

this

come

about?Withthereformandopening-uppolicy,eout出現(xiàn);傳開;

出版comeover來訪comeacross偶遇cometo

v.想起；共計(jì)Whenhecametoandraisedhishead,hesawBarney.2.Sohowhasthiscomeaboutanddoesitmatter?comeabout是不及物短語(yǔ)。如：Pleasetellmehowtheaccident___.Iamstillinthedark.A.camebyB.cameoutC.cametoD.cameaboutDPara2:thereisnodoubtthattheearthisbecoming…doubt

1)作不可數(shù)名詞,作“疑惑;懷疑”①肯定句中doubt為n.多接whether(一般不用if代替)同位語(yǔ)從句。如:There’ssomedoubt________he’llkeephispromise.他會(huì)不會(huì)信守諾言還難說。Shehadherdoubts________thenewbookwouldsellwell.她懷疑新書是否會(huì)暢銷。whetherwhether①用于否定句或疑問句,后接that引導(dǎo)的賓語(yǔ)從句。如:Idon’tdoubt______heistellingthetruth.我毫不懷疑他在講真話。Doyoudoubt______hewillwinthematch?你懷疑他會(huì)贏這場(chǎng)比賽嗎?②用于肯定句,doubt為動(dòng)詞，一般接whether或if引導(dǎo)的賓語(yǔ)從句。如:Idoubt__________wewillmakeaprofitoutofit.我認(rèn)為我們不可能從此事中獲利。Wedoubt__________shewillbepersuaded.我們不知道她會(huì)不會(huì)被說服。

whether/ifwhether/ifthatthat強(qiáng)調(diào)句型：itis/was+被強(qiáng)調(diào)部分+that/who+其他Para2:Itis(humanactivity)thathascausedthisglobalwarmingratherthanarandombutanaturalphenomenon.Para4:Itwas

(ascientistcalledCharlesKeeling)whomadeaccuratemeasurementsoftheamountofcarbondioxideintheatmospherefrom1957to1997.Para5:Theyalsoagreethatitis

(theburningofmoreandmorefossilfuels)thathasresultedinthisincreaseincarbondioxide.強(qiáng)調(diào)句型的特征;去掉itis/was和that/who仍是完整的一句話1.是他做的這個(gè)決定。2.我們?cè)趯W(xué)校門口遇到的是他。3.Tom是在公園丟失的手表。/?4.就是當(dāng)Mary正準(zhǔn)備睡覺的時(shí)候電話響了。Itishewhomadethedecision.Itwashimthatwemetattheschoolgate.ItwasintheparkthatTomlosthiswatch.ItwaswhenMarywasabouttogotobedthatthetelephonerang.WasitintheparkthatTomlosthiswatch?WherewasitthatTomlosthiswatch?1._______findmywallet，Tom？Wheredidyouthat

B.WherewasityouC.Wherehaveyou

D.Wherewasitthatyou2.Itistheabilitytodothejob____matters，notwhereyoucamefromorwhatyouare.A.one

B.it

C.what

D.that3.Itwasnot___shetookoffherglasses___Irealizedshewasafamousfilmstar.when,that

B.until,thatC.until,when

D.when,thenDDBPara3:Allscientistssubscribetotheviewthattheincreaseintheearth’stemperatureisduetotheburningoffossilfuels…模仿寫句子：所有老師都同意這個(gè)觀點(diǎn)：課堂使用手機(jī)是由于學(xué)生們?nèi)狈ψ灾屏?。Alltheteachers_________________usingmobilephoneinclass________alackofself-control.同位語(yǔ)從句isduetosubscribetotheviewthatsubscribeto:----n.subscription1)同意;支持

我不同意這樣的觀點(diǎn)。2)向（某個(gè)基金、項(xiàng)目或慈善事業(yè)）捐款（多指定期捐款）donate…to

許多人為救災(zāi)基金解囊。Idon’tsubscribetosuchviews.救災(zāi)基金therelieffundManypeoplesubscribedalargesumofmoneytotherelieffund3)(在文件等下面)簽名*你可以在文件上簽下你的名字么？Canyousubscribeyourname___thedocument?4)訂閱(書籍等)HesubscribedtoReader’sDigest.他訂閱《讀者文摘》。toSomebyproductsofthisprocessarecalled“greenhouse”gases,themostimportantoneofwhichiscarbondioxide.我們班有55個(gè)學(xué)生，其中40個(gè)是女生。Ourclassconsistsof55students,40ofwhomaregirls.倉(cāng)庫(kù)(garage)里有些桌子，其中一些桌子是壞的Therearesomedesksinthegarage,someofwhicharebroken.Para3:Withoutthe“greenhouseeffect”,theearthwouldbeabout33degreesCelsiuscoolerthanitis.含蓄虛擬語(yǔ)氣：without,or,otherwise,but,butfor…與現(xiàn)在事實(shí)相反：與過去事實(shí)相反:would/might/could+vwould/might/could+havedoneWithoutair,man_____existontheearth.A.couldn’tB.can’tC.maynotD.won’tWithoutyourhelp,I____theexamlastweek.A.wouldhavepassedB.wouldhavefailedC.willfailD.wouldfailABItmeansthatmoreheatenergytendsto

betrappedintheatmospherecausingtheglobaltemperaturetogoup.Itmeansthat…為賓語(yǔ)從句傾向于/常常做某事：照顧某人：tendtodosthtend(to)sb“…causingtheglobaltemperaturetogoup.”現(xiàn)在分詞作狀語(yǔ)現(xiàn)在分詞：表主動(dòng)，進(jìn)行tendtosomeone'sneedsPara6

dothecorrectionbelow!1.However,theattitudesofscientiststowardsthisrisearecompletedifferent.2.Unfortunate,helosthismoneyonhiswayhome.3.Englishiswidespokenaroundtheworld.4.Whatyourmothersaidisexactsensible.5.HespeaksEnglishfluent.exactlywidelyUnfortunatelycompletelyfluently副詞可以修飾動(dòng)詞，形容詞，過去分詞Para6:Therearethose,likeGeorgeHambley,whoareopposedtothisviewandbelievethatweshouldnotworryabouthighlevelsofcarbondioxide.who引導(dǎo)的非限制性定語(yǔ)從句believe引導(dǎo)賓語(yǔ)從句oppose

vt.反對(duì);反抗如：Heisstronglyopposedtotheplan.他強(qiáng)烈反對(duì)這一計(jì)劃。opposesth./doingsth.

反對(duì)某事/做某事beopposedtosth./doingsth.

反對(duì)某事/做sth.oppose后若接動(dòng)詞,則用其doing形式，而不用動(dòng)詞不定式。opposedoingsth.=objecttodoingsth.反對(duì)做某事

+n.state+that從句

+wh-從句；他已公開聲明他會(huì)支持那項(xiàng)政策。Hehaspublicly_________________forthepolicy.statedhissupport我聽見那位官員說不接納Libya難民。Iheardtheofficial______(state)thattheywouldnotaccepttherefugeefromLibya.Inagood/bad/poorstate處于

好/不好/差的狀況v.陳述,聲明；n.狀況,情況;國(guó)家；n.狀況,情況;國(guó)家；stateNewwordsandexpressions:comeabout:beatrandom:subscribeto:quantitiesof:goup:resultin:beopposedto:evenif:keepon:onthewhole:onbehalfof:putupwith:發(fā)生；造成隨機(jī)的；任意的同意，贊成；訂購(gòu)；捐獻(xiàn)大量的上升；增長(zhǎng)；升起導(dǎo)致；造成反對(duì)即使；盡管繼續(xù)大體上；基本上代表…一方忍受；容忍課堂檢測(cè)：

Findthewordsorphrasesinthetexttoreplacetheunderlinedones.Itisclearthatglobalwarminghasbecomeone