人教版 選修六 Unit 4 Global warmingReading課件（共83張PPT）.pptVIP

unit4globalwarmingreading pre reading 1 haveyoueverseenagreenhouse 2 howdoesthegreenhousework theairinsidewaswarmbecausetheglasstraps 擋住 吸收 theheatfromthesunandkeepsitfromescaping 逃跑 thismakesthegreenhouseheatup 熱量上升 andsotheplantscangrowthroughout 在 期間 thecoldperiod 3 whataregreenhousegases 4 greenhouseeffect globalwarming greenhousegasestrappedtheheatfromthesun whichcausesthetemperatureofearthgoesup greenhouseeffect greenhouseeffect greenhouse globalwarming aretheyallbeneficial theearthisbecomingwarmerbutdoesitmatter reading 1 howmanyparagraphsdoesthereading2 makeadivisionofthetext readthepassagequickly 3 textconsistof pleasenumberthem fast reading mainideasofeachpart part1 1 introduceadebateovertheissueofglobalwarming raisingaquestion part2 2 5 howglobalwarmingcomesabout givingexamples usinggraphs explanation listtwodifferentattitudesamongscientiststowardsglobalwarming it suptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarmingornot givingexamples makingcontrast leavingaquestion aretheriskstoogreat socanyoupredictthefutureoftheglobalwarming whowritesthisarticle sophiearmstrongofearthcarewhatroseaboutonedegreefahrenheit thetemperatureoftheearth carefulreading part1 1 introductionofglobalwarming 2 1 part2 2 5 howglobalwarmingcomesabout theburningoffossilfuels humanactivity carbondioxide methane whatarethegreenhousegases 1 2 3 watervapor part3 6 7 whataretheeffectsofglobalwarming ariseinthesealevelseverestorms droughts famines thespreadofdiseases andthedisappearanceofspeciesmakeplantsgrowfaster effects readandanswerthequestions 1 whowrotethemagazinearticle whatisthenameofthemagazine 2 whatarethenamesofthethreescientistsmentionedinthearticle 1 sophiearmstrong earthcare 2 drjanicefoster charleskeeling georgehambley 3 whatdothethreescientiststhinkaboutglobalwarming believesitistheburningofmoreandmorefossilfuelsthatisresultinginabigincreaseincarbondioxide dr janicefostergeorgehambleycharleskeeling thinkstheeffectsofglobalwarmingcouldbeveryserious 嚴(yán)重的 thinksglobalwarmingwillbemildwithfewbadenvironmentalconsequences thedifferentideasbetweendr janicefoster georgehambley goup catastrophe veryserious positive produce agreaterrangeofanimals 4 whatarethetwographsabout thefirstgraphshowsthetemperatureincreaseofonedegreefahrenheitbetween1860to2000 thesecondgraphshowsthecarbondioxidecontentintheatmospherefrom1957to1997 5 whatisthemaintopicofthearticle globalwarming thewarmingoftheearth 1 whofoundouttheamountofcarbondioxideintheatmospherefrom1957to1977 a dr janicefoster b charleskeeling c georgehambley d sophiearmstrong b choosethebestanswer 2 whichofthefollowingisdrjanicefoster sopinion a theresultofthetemperatureincreasewillbeserious b theamountofwarmingisnothingserious c weneedn tworryabouthighlevelsofcarbondioxide d globalwarmingisanaturalphenomenon a 3 whichofthefollowingistrueaccordingtothetext a thetemperatureoftheearthincreasedaboutonedegreefahrenheitduringthe20thcentury b thecarbondioxidecontentintheairincreasedby70partspermillionfrom1957to1997 c allscientistsacceptthedataingraph2exceptcharleskeeling d janicefostersaysthatmorecarbondioxidewillmakeplantsgrowfaster a 4 theauthorprobablyagreesthat a actuallyglobalwarmingisgoodforman b weshoulddonothingabouttheglobalwarming c catastropheswillhappeniftheglobekeepsonwarming d alotremainstobefoundoutabouttheeffectsofglobalwarming d trueorfalse 1 thetemperatureinthelastcenturydidnotseemtoincreasemuch 2 everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans 3 janicefosterbelievesthatshecanmeasurethefutureglobalriseintemperature t t f 4 theriseincarbondioxideiscausingasteadyincreaseinglobalwarming 5 georgehambleybelievesthatglobalwarmingwilldogoodratherthanharmtotheearth 6 itisclearwhattheeffectsofglobalwarmingwillbe t t f summary trytotalkingeneraltermsratherthanindetails e g ilearntthattheearthisbecomingwarmer ilearntthatglobalwarmingcouldhaveterribleeffectsontheenvironment a weshalldosomethingaboutglobalwarming b weshalldonothingaboutglobalwarming debate whatweshoulddotoprotectourearth discussion 1 reducetheburningoffossilfuels2 planttrees3 usebagsthatcanberecycled itisarapidincreasewhencomparedtoothernaturalchanges comparevt 1 比較 對(duì)照compare with 表示 把 與 相比 同類相比 如 compareyouranswerswiththoseatthebackofthebooktoseeiftheyareright 把你的答案同書后面的答案對(duì)照一下 看看是否正確 languagepoints 2 喻為 比擬compare to 表示 把 比做 異類相比 比喻 如 man slifeisoftencomparedtoacandle 人生常被比為蠟燭 myhandwritingcannotbecomparedwithmyfather s 我的書法不能與我父親的相比 shakespearecomparedtheworldtoastage 莎士比亞把人世比做舞臺(tái) 知識(shí)拓展comparedto with與 相比 一般在句子中作狀語 comparedto withmanywomen shewasindeedveryfortunate comeabout 發(fā)生 造成 相當(dāng)于happen你能告訴我事情是怎么發(fā)生的嗎 canyoutellmehowtheaccidentcameabout 隨著電的使用 種種大變化發(fā)生了 withtheuseofelectricity eout出現(xiàn) 傳開 公開comeup發(fā)生 舉行 出現(xiàn) 2 sohowhasthiscomeaboutanddoesitmatter comeabout是不及物短語 如 1 pleasetellmehowtheaccident iamstillinthedark 2005江西 a camebyb cameoutc cametod cameabout d 2 it salready10o clock iwonderhowit thatshewastwohourslateonsuchashorttrip 湖北2006 a cameoverb cameoutc cameaboutd cameup解析 已經(jīng)十點(diǎn)鐘了 我不知道是怎么回事 這么短的路程她遲到了兩個(gè)小時(shí) comeover來訪comeout出來 出版comeup出現(xiàn) c 3 thereisnodoubtthat doubt1 作不可數(shù)名詞 作 疑惑 懷疑 肯定句中doubt多接whether 一般不用if代替 同位語從句 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 whether whether 否定句中doubt多接that同位語從句 如 thereisnodoubt theywillaskyouforhelp 毫無疑問 他們會(huì)請(qǐng)你幫忙的 ihavenodoubt youwillsucceed 我毫不懷疑你會(huì)成功的 2 作及物動(dòng)詞常用于下列句型中 作 懷疑 不能肯定 不大相信 解 一般不用進(jìn)行時(shí)態(tài) that that 用于否定句或疑問句 后接that引導(dǎo)的賓語從句 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 用于肯定句 一般接whether或if引導(dǎo)的賓語從句 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 if whether if that that 考點(diǎn)1 thereisnodoubtthat 是固定句型 意為 毫無疑問 that引導(dǎo)的是同位語從句 用來進(jìn)一步補(bǔ)充說明doubt的具體內(nèi)容 如 someresearchersbelievethatthereisnodoubt acureforaidswillbefound 廣東2005 a whichb thatc whatd whether b 考點(diǎn)2 itis that 構(gòu)成強(qiáng)調(diào)句型 強(qiáng)調(diào)的是主語humanactivity 強(qiáng)調(diào)句型可強(qiáng)調(diào)主語 賓語或狀語 如 itisnotwhoisrightbutwhatisright isofimportance 重慶2007 a whichb itc thatd this解析 將itis和that去掉后 此句成為notwhoisrightbutwhatisrightisofimportance 句子完整 故此題是一個(gè)強(qiáng)調(diào)句型 b idon tmindhercriticizingme but ishowshedoesitthatiobjectto 江西2007 a itb thatc thisd which解析 去掉itis和that后 本句相當(dāng)于 butiobjecttohowshedoesit 是個(gè)完整的句子 故此句是it強(qiáng)調(diào)句型 被強(qiáng)調(diào)部分是賓語從句 a 4 phenomenonn 現(xiàn)象 奇跡 罕見的人才或事物eg 雨雪是天氣現(xiàn)象 rainandsnowarephenomenaoftheweather eg 不應(yīng)該簡單地視未婚媽媽為一種社會(huì)現(xiàn)象 unmarriedmothersshouldnotberegardedsimply eg 貝多芬是音樂家中的天才 beethovenwas amongmusicians pl phenomena asasocialphenomenon aphenomenon 5 subscribeto1 同意 支持idon tsubscribetosuchviews 我不同意這樣的觀點(diǎn) 2 對(duì) 捐款manypeoplesubscribedliberallytotherelieffund 許多人為救災(zāi)基金慷慨解囊 3 在文件等下面 簽名hesubscribedhisnametoapetition 他在請(qǐng)?jiān)笗虾灻?4 訂閱 書籍等 hesubscribedtoreader sdigest 他訂閱 讀者文摘 6 withoutthe greenhouseeffect theearthwouldbeaboutthirty threedegreescelsiuscoolerthanitis 如果沒有溫室效應(yīng) 地球會(huì)比現(xiàn)在冷33 這是一個(gè)含蓄虛擬條件句 有時(shí)假設(shè)的情況并不以條件從句形式表示出來 而是通過一個(gè)介詞短語或其他方式表示 常用的詞或短語有 without butfor butthat otherwise or but等 e g withoutyourhelp ifwehadnothadyourhelp wecouldnothavesucceeded 要是沒有你的幫助 我們是不會(huì)成功的 hefeltverytiredyesterday orhewouldhaveattendedtheparty 他昨天很累 不然他就參加那個(gè)聚會(huì)了 butforelectricity iftherewerenoelectricity therewouldbenomodernindustry 要是沒有電 就不會(huì)有現(xiàn)代工業(yè) hewashavingameetingwithhisstudents otherwisehewouldhavecome 他當(dāng)時(shí)正與他的學(xué)生進(jìn)行討論 否則的話他就來幫我們了 7 quantityn 數(shù)量 量 alarge smallquantityof 不可數(shù)名詞和可數(shù)名詞復(fù)數(shù) 表示 大量的 少量的 也可以用 large smallquantitiesof 不可數(shù)名詞或可數(shù)名詞復(fù)數(shù) 來表達(dá) 用法歸納 aquantityof大量的quantitiesof大量的thereisasmallquantityofwaterleftinthebottle 瓶子里還剩下少量的水 shehasquantitiesofgoodclothes 她有許多好衣服 特別提示aquantityof后可接不可數(shù)名詞或可數(shù)名詞的復(fù)數(shù)形式 當(dāng)它修飾名詞作主語時(shí) 謂語動(dòng)詞用單數(shù) 而quantitiesof后同樣可接不可數(shù)名詞或可數(shù)名詞的復(fù)數(shù)形式 但謂語用復(fù)數(shù) amountsof 不可數(shù)名詞充當(dāng)句子的主語時(shí) 其謂語動(dòng)詞用復(fù)數(shù) 8 goup1 上升priceshavegoneupagain 物價(jià)又上漲了 2 被建造起來newfactoriesaregoingupeverywhere 到處在興建新工廠 3 被焚毀thewholebuildingwentupinflames 整幢樓被焚毀了 9 itwasascientistcalledcharleskeelingwhomadeaccuratemeasurementsoftheamountofcarbondioxideintheatmospherefrom1957to1997 是一位名叫查爾斯 奎林的科學(xué)家把1957至1997年期間大氣層中二氧化碳的含量作了精確的統(tǒng)計(jì) 解析 該句是一個(gè)強(qiáng)調(diào)句 amountof習(xí)慣用語 anamountof相當(dāng)數(shù)量的 一些anyamount of 任何數(shù)量 的 大量 的 beoflittleamount不重要 無價(jià)值amountn 數(shù)量largeamountsofmoney大量的金錢inaninvoicetheamountofmoneyshouldbewrittenbothinwordsandinfigures 發(fā)票上的錢數(shù)要用字和數(shù)碼寫出來 10 resultin結(jié)果 致使 導(dǎo)致主語 in的賓語 起因 結(jié)果 actingbeforethinkingalwaysresults failure 做事不先考慮總會(huì)導(dǎo)致失敗 theaccidentresulted thedeathoftwopeople 這場(chǎng)意外事故造成兩人死亡 in in resultfrom起于 由于 由 引起主語 from的賓語 hissicknessresulted eatingtoomuch 起因 結(jié)果 from cause bringabout leadto cause表示的因果關(guān)系比較直接smokingcancauselungcancer mycarhascausedmealotoftrouble 2 bringabout表示的因果關(guān)系不那么直接thewarbroughtaboutareductioninthebirthrate 3 leadto相當(dāng)于causethestrikecouldleadtoalossofjobs 11 ontheotherhand therearethose likegeorgehambley whoareopposedtothisview believethatweshouldnotworryabouthighlevelsofcarbondioxideintheair 在另一方面 還有一些人 對(duì)這一觀點(diǎn)持反對(duì)態(tài)度 像科學(xué)家喬治 漢布利 他們認(rèn)為我們不必?fù)?dān)心空氣中高含量的二氧化碳 分析 該句是一個(gè)主從復(fù)合句 主句為therearethose likescientistgeorgehambley作句子的插入語 who引導(dǎo)的定語從句修飾those 且在該定語從句中其謂語動(dòng)詞believe又帶有that引導(dǎo)的賓語從句 句子的主要部分可以表示為 therearethosewhobelievethat ontheotherhand 另一方面i dliketoeatout butontheotherhandishouldbetryingtosavemoney iwanttogototheparty butontheotherhandioughttobestudying 我想去參加聚會(huì) 但從另一方面來說 我應(yīng)該留下來學(xué)習(xí) 12 opposevt 反對(duì) 反抗如 iamopposedtogoingshoppingwithothers 我反對(duì)與他人一起外出購物 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 做某事oppose后若接動(dòng)詞 則用其動(dòng)名詞形式 而不用動(dòng)詞不定式 opposedoingsth objecttodoingsth 反對(duì)做某事theyoungmanopposed objectedtoturningtohisparentsforhelp 這個(gè)年輕人反對(duì)向他的父母求助 易混辨析oppose 尤指采取行動(dòng) 反對(duì) 反抗 某事 beopposedto一方面相當(dāng)于beagainst 反對(duì) 另一方面相當(dāng)于beoppositeto 相對(duì) 13 consequencen 結(jié)果 后果 影響 inconsequence因此asaconsequence結(jié)果asaconsequenceof由于 的結(jié)果 itrainedyesterdayandinconsequencethematchwascanceled hestudiedhard andinconsequencehepassedtheexam n 14 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兒童 iheardtheofficialstatethattheywouldnotacceptchildren 合同清楚地?cái)⑹隽四琼?xiàng)工作應(yīng)在何時(shí)完成 thecontractstatedwhentheworkshouldbefinished v 陳述 聲明 n 狀況 情況 國家 15 rangev 排列 使成行 偏袒 站在 的方面n 范圍 尤指從 到 各種種類 可供選擇的范圍等 可加不定冠詞 排列beyondtherangeof 超越 的范圍outofone srange某人達(dá)不到的這家商店商品品種多 theshopkeeps ?？捎糜?1 被動(dòng)結(jié)構(gòu)2 rangeoneself 3 rangefrom to between and 從 到 不等 awiderangeofgoods 老師令其學(xué)生沿著小徑排隊(duì) theteacher alongthepath 溫度在15度到35度之間 thetemperature 我們應(yīng)當(dāng)列身于法律與秩序的一邊 weshould onthesideoflawandorder rangedhisstudents rangesfrom15to35degrees rangeourselves 16 evenif though 即使 雖然hewillcomeontimeeventhoughitrains 即使下雨 他還是會(huì)準(zhǔn)時(shí)來的 iwouldn ttellyouevenifiknew evenifshesurvives she llneverfullyrecover eventhoughhe s24now he sstilllikealittlechild icanstillremember eventhoughitwassolongago alargeq ofriceisbadlyneededhere 2 studentsarefromawider ofbackgrounds 3 shestudiedhard andinc shepassedtheexam 4 theparkattracts4millionvisitorsp year uantity ange onsequence er 根據(jù)句意及所給單詞的首字母或漢語提示 寫出各單詞的正確形式 5 whatsortof 燃料 dothesemachinesneed 6 the 數(shù)據(jù) isstillbeinganalysed sodon tbesoworried 7 theearthquakewasaterrible 大災(zāi)難 8 arainbowisanatural 現(xiàn)象 especiallyafteraheavyrain 10 the 曲線圖 ofexportindicatesanewsuccessofthecompany graph fuel data catastrophe phenomenon ii 根據(jù)句意 選擇適當(dāng)?shù)膯卧~或短語填空1 climate weatherit sverydifficultforhertogetusedtothedryandcold there b howwewishthesunny couldkeepupforanotherseveraldays eabout comeacrossi venever anyonequitelikeherbefore b pleasetellmehowtheaccident iamstillinthedark climate weather comeacross cameabout 3 quantity qualitya muchofthelandwasofpoor b buyvegetablesinsmall foryourimmediateuse 4 resultin resultfromtheaccident thedeathofthreepeople b hisfailure notworkinghardenough quality quantities re