人教版 选修六 Unit 4 Global warmingUsing language课件（共80张PPT）.ppt

unit4globalwarmingusinglanguage whatcausetheglobalwarming smokefromcars smokefromfactories 目前面临的环境问题 waterpollution deforestation thewar whatcanwedoaboutglobalwarming skimthelettersandfindwhothewritersareandwhattheirpurposeofwritingthelettersis skimming thefirstletteriswrittenbyastudentwhoisaskingforsuggestionsforhisproject globalwarming thesecondletteriswrittenbyaneditorofearthcaremagazine heoffersthestudentsomesuggestionsonwhattodoaboutglobalwarming readthesecondemail andanswerthequestion doesearthcareagreewithouyangguang sopinionthatindividualscanhavenoeffect no earthcaredoesnotagree listearthcare ssuggestionsandtheningroups discusswhetheryouthinkyoucancarryouteachsuggestion scanning ifyouarenotusingelectricalappliances turnthemoff yes saveenergy yes saveenergy yes saveenergy yes saveenergy ifyou recold putonmoreclothesinsteadofturninguptheheat motorvehiclesusealotofenergy sowalkorrideabikeifyoucan recyclecans bottles plasticsandnewspapersandbuythingsmadefromrecycledmaterials yes saveenergy yes plantsabsorbcarbondioxidefromtheair plantmoretrees getyourparentsorfriendstobuyproductsthataremadetosaveenergy yes together individualscanmakeadifference talkwithyourfamilyandfriendsaboutglobalwarmingandtellthemwhatyou velearned readthetextcarefullyandfillintheblanks whatcanwedoaboutglobalwarming turna n offwhenyou renotusingit putonmoreclothesinsteadofturningupthe walkor insteadoftakingmotorvehicles cans bottles plasticsandnewspapers electricalappliance heat rideabike recycle buythingsmadefrom buyproductsthataremadetosave inyourgardenoryourschoolyard talkwithyourfamilyandfriendsabout materials energy planttrees globalwarming recycled writing makeaposter makeaposterforyourschoolthattellsstudentsvariouswaystheycanreducetheamountofcarbondioxideintheair thestepstowritetheposter underlinethemostimportantpartsofearthcare ssuggestions listthewaystoreducecarbondioxideintheair useimperativesentences 祈使句 inyourposter giveyourposteralargeheading makeasloganattheendliketheoneattheendoftheletterfromearthcare sampleposter fightglobalwarmingcutdownonenergy cutdownoncarbondioxide ifnotusinganelectricalitem turnitoff ifyousuddenlyfeelcold don tturntheheatup putonajacketinstead walkorrideabikeandsavefossilfuels recyclepaper cardboardandnewspapers buyproductsmadefromrecycledmaterials buyenergy savingproductslikelowenergylightbulbs planttreestoabsorbco2 tellyourfriendsaboutglobalwarming everyeffortcounts furtherdiscussion fromyourpointofview whichofthefollowingactivitieswillharmourearththemost why howtosolveit a nuclearbomb核弹gasbomb毒气弹radiation辐射chemicalweapons化学武器banthewarpeace b harmfulgasacidrain硫酸雨reduceairpollutionsolarenergy太阳能windpowerhydropower水力发电 c co2 floodsdraughtsonly oncechopsticks一次性筷子paperhandkerchief纸巾 polluteearthsurfaceterriblesmellreducereuserecycle d onbehalfofsb 表示 代表某人 通常在句中作状语 如 onbehalfofmycolleaguesandmyselfi thankyou 我代表我的同事和我本人向你表示感谢 用法归纳 onbehalfofsb astherepresentativeof onsb sbehalf联想拓展 representativen 代表maryisaworkers representativeontheboard 玛丽是理事会的工人代表 languagepoints 2 advocate用作动词 表示 拥护 提倡 时 后接名词或动名词形式 如 headvocatesreformingtheprisonsystem 他主张改良监狱制度 用法归纳 advocatesth 提倡 拥护某事advocatedoingsth 提倡 拥护做某事advocatethat 从句主张 提倡 特别提示 advocate后接从句时 从句谓语需用 shoulddo 表示虚拟 should可以省略 mitmentn 表示 承诺 保证 常用在短语makeacommitmenttosb sth 中 指 对某人 某事做出承诺 如 ourcompanyhasacommitmenttoqualityandcustomerservice 我们公司对质量和顾客服务有承诺 联想拓展 commitv 1 使承担义务 使作出保证 使表态hedidn tcommithimselftoanything 他没有作任何承诺 2 做 不合法的 错的或愚蠢的事 犯commitmurder theft ablunder anunforgivableerror etc 犯凶杀 自杀 偷窃 大错 不可原谅的错误等 commitsuicide自杀 4 putupwith忍受 忍耐 受苦thatwoman asahousewife hasalottoputupwith 作为家庭主妇 那女人得忍受很多烦恼 知识拓展 putaside节省 钱 时间 储蓄 把 放在一边putaway收拾起来 储存 钱 喝掉putback放回原处 拖延putdown写下 记下 控制putforward提出 意见 建议 推荐putoff延期 推迟puton假装 增加 上演 戏剧 putout熄灭 使忧虑 扑灭 出版putup举起 张开 伞 张贴 为 提供食宿5 solongas aslongas只要 如果aslongasthereislife thereishope 留得生命在 不怕没希望 在用as solongas连接的从句中 当其谓语为be 而主语和主句的主语相同时 则从句的主语和be可以省略 如 i msurewearesafeaslongas weare inhiscare 我深信只要在他的保护下 我们就会平安无事 youcangooutonconditionthatyouwearanovercoat youcangoout youwearanovercoat aslongas 只要你开心 你做什么都没关系 aslongasyouarehappy itdoesn tmatterwhatyoudo 根据句意及所给单词的首字母或汉语提示 写出各单词的正确形式 1 you llneedthreelargec ofpaint 3 igotoutofthecarbutleftthem running 4 theydecidedtosetupa n 核的 powerstation 5 i llheatitupinthe 微波炉 ans otor nuclear microwave ii 用所给词的适当形式填空 1 therewas disagree amongdoctorsaboutthebestwaytotreatthedisease 2 pollute fromcarsisthemaincauseofglobalwarming disagreement pollution iii 根据提示将下列句子补充完整 ifshecould 忍受那里的条件 wewouldtakeherwithus 2 idon tmindyourknowingit 只要事情不进一步发展 3 ifyouwanttosaveenergy you dbetternotusetheairconditioner theheater 等等 whenitisnotnecessary putupwiththeconditionsthere solongasitgoesnofurther andsoon 4 irealizedthatshewasright andit 有影响 madeadifference iv choosethebestanswers 1 iwillnotcomeheretomorrow tome becauseidon tcare a itdoesn tmakeanydifferenceb itmakesmuchdifferencec itdoesn tmakenodifferenced itmakesadifference a 2 youcangoout youpromisetobebackbefore11o clock a asfarasb sofarasc whend as solongas3 shewillhavetofindsomeotherworkforshecan t thisloudnoiseanymore a comeupwithb keepupwithc growupwithd putupwith d d 4 thedepartmentiwouldliketothankyouall a insteadofb inspiteofc onbehalfofd dueto5 hemadeagreat tothesuccessoftheproject a progressb effectc contributiond attitude c c listeningandspeaking 1listentopart1anddecidewhichstatementsprofessorkeelingdoesnotagreewith 1 weshouldstopdependingonfossilfuelsforourenergy 2 90 ofourenergycomesfromfossilfuels 3 wecanreplacefossilfuelswithcleanersourcesofenergy 4 nuclearpowerisagoodsourceofenergy 2listentopart1againandticktheenergysourcesthatarementioned completethenotesonthem producecarbondioxidecheapandconcentratedformofenergy cleannotverypracticalwithpresenttechnology doesnotproducecarbondioxidedangerous cleannotpractical needhugeareasoflandtoprovideenoughenergy 3listentopart2andthelistthreethingswecandotosaveenergy firstwemusttrytofindwaysofusingfossilfuelsthatdoesnotputcarbondioxideintotheair secondwemustproduceproductsthatareeconomicalwithenergy thirdwemustaskpeopletocutdownontheenergytheyuse 4listentopart2againandfillintheblanks libin whatabout theydon tcutdownontheiruseof energy factories keeling no theydon t however thatisa wemustworkonasa community thatmeans and countrieswillhavetoworktogether problem global developed developing libin butit snotthe countriesthatputmostofthecarbon intotheair thedevelopedcountriesarereallytheonesto developing dioxide blame fossilfuelsandotherformsofenergy l libink keeling libin auniversitystudent isinterviewingprofessorkeelingonthelocalstudentradiostationabouttheuseoffossilfuelsandothersourcesofenergy part1l professorkeeling i vereadthatwemuststopusingfossilfuelsifwewanttoreducetheamountofcarbondioxideintheair k yes that sright libin howeverit sdifficult ourmodernindustrialsocietiesdependontheenergywegetfromfossilfuels it saverycheapandconcentratedformofenergy l isittruethatabout90 oftheworld senergycomesfromfossilfuels k yes that scorrect andthereisenoughtolastforcenturies l couldwereplacefossilfuelswithclearsourcesofenergylikesunorwindpower k i mafraidnot wejustcan tproduceenough youneedhugeareasoflandtoproduceenoughwindenergy thetechnologywehaveatpresentcannotprovideenoughsunenergy l sowhataboutnuclearpower thatdoesn tproducecarbondioxidea k true butit sverydangerous remembertheaccidentatchernobyl peoplearestilldyingoftheradiationthatwasproducedbythatdisaster part2l sowhatcanwedo k well therearethreethings firstwemustfindwaysofusingfossilfuelsthatwon tputcarbondioxideintotheair second wemustproduceproductsthatareeconomicalwithenergy third wemustaskpeopletocutdownontheenergytheyuse l butthat sonapersonallevel whataboutfactories theydon tcutdowncutdowntheiruseofenergy k no theydon t however thatisaproblemwemustworkonasaglobalcommunity thatmeansdevelopedanddevelopingcountrieswillhavetoworktogether l butit snotthedevelopingcountriesthatputmostofthecarbondioxideintotheair thedevelopedcountriesarereallytheonestoblame k that strue sowemustworktogetherbecauseglobalwarmingwillaffecteveryone ifwewantthefuturegenerationstohaveagoodlife wemustalllookaftertheplanet note theusaisthelargestenergyuserintheworldandthelargestproducerofthegreenhousegascarbondioxide chinacomessecondinbothofthese chinahasbeengoingthroughhugeeconomicdevelopment andhashadasmuchgrowthinonedecadeastheindustrialworldexperiencedinnearlyacentury however ithasbeenatahighcosttotheenvironment agreementexactly that strue you reright that sright that scorrect iagree disagreementi mafraididisagreewithyou i mafraidnot no idon tagree idon tthinkso noway idoubt discussion professorkeeling whateverwedo wehavetodoitasaglobalcommunity thatmeansdevelopedanddevelopingcountrieswillhavetoworktogether libin butit snotthedevelopingcountrieswhoputmostofthecarbondioxideintotheair thedevelopedcountriesarereallytheonestoblame s1 iagreewithlibin itisthedevelopedcountriesthatarereallytheonestoblameandtopayforthat s2 well idon tthinkso ithinkprofessorkeelingisright whateverwedo wehavetodoitasaglobalcommuni