学人教版选修6Unit4Global warmingPeriod5Using language课件（43张）.ppt

book6unit4globalwarmingperiod5usingthelanguage haveyoueverseenthefilmthedayaftertomorrow whatkindofdisastershaveyouseeninthefilm whathaveyoulearntfromthefilm tsunamihitsindonesia desertification whatcausestheglobalwarming gasemission whatistheeffectofglobalwarming whatcanwedoaboutglobalwarming whatcanwedoaboutglobalwarming whatshallwedoinourdailylife whatisouyangguang sopinionaboutenvironmentalproblems 2 doesearthcareagreewithhisopinion skimthefirstletter andanswerthequestionsbelow skimming individualscanhavelittleeffectonenvironmentalproblems no together individualscanmakeadifference nowscantheletterandlistearthcare ssuggestionsinthechartonp30 anddiscusswhetheryoucancarryouteachsuggestion givereasonforyouanswers turnelectricalappliancesoffwhennotusingthem don tturnuptheheat putonmoreclothes walkorrideabike don tdrive recyclecans bottles plasticbagsandnewspapers buythingsmadefromrecycledmaterials buyproductsthatuselessenergy planttrees talkwithfamilyandfriendsaboutglobalwarming dictionarytime withthehelpofyourdictionary finishthefollowingexercises itwouldbemore tobuyasmallcar foritcansaveenergy economicalb economicc economicallyd financial2 it sthethoughtthatcounts choosethesynonymoftheunderlinedword commitsb mattersc advocatesd refreshes whatcanwedoaboutglobalwarming summaryweshoulddosomethingaboutglobalwarming becauseitcouldhavemanynegativeeffectsontheearth withthetemperatureincreasing thepolaricecapseventuallywouldmelt causingsealevelstorisebyseveralmeters coastalandlow lyingcitieswouldbesubmerged somescientistspredictseverestorms droughts famines thespreadofdiseasesandthedestructionsofspecies a weshalldosomethingaboutglobalwarming b weshalldonothingaboutglobalwarming debate fightglobalwarmingcutdownonenergy cutdownoncarbondioxide ifnotusinganelectricalitem turnitoff ifyousuddenlyfeelcold don tturntheheatup putonajacketinstead walkorrideabikeandsavefossilfuels recyclepaper cardboardandnewspapers buyproductsmadefromrecycledmaterials buyenergy savingproductslikelowenergylightbulbs planttreestoabsorbco2 tellyourfriendsaboutglobalwarming everyeffortcounts exercise2onpage31 onbehalfof代表 为了hespokeonbehalfofallthemembersofthefacultyandstaff 他代表全体教职员工讲了话 onsb sbehalf以某人的名义 为了某人 代表某人inbehalfofforthebenefitof intheinterestof 为了 为了 利益 makeadifference makeadifference 1 有很大差别 有很大不同 2 有很大的关系 影响makesome nodifferenceto对 有些 没有关系 thatmakesnodifferencetome 那对我没有影响 exercisecanmakeagreatdifferencetoyourhealth 锻炼对你的健康产生很大的影响 putupwith 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 solongas aslongas aslongas只要 如果aslongasthereislifethereishope 留得生命在 不怕没希望 youcangoout as solongasyoupromisetobebackbefore11o clock 你可以出去 只要你答应在11点以前回来 i llacceptanyjobas solongasidon thavetogetupearly 只要不必早起 任何工作我都可以接受 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 pre listening readexercise1together readthestatementsbelowandticktheonesyouagreewith weshouldstopdependingonfossilfuelsforourenergy 90 ofourenergycomesfromfossilfuels wecanreplacefossilfuelswithcleanersourcesofenergy nuclearpowerisagoodsourceofenergy listeningandspeaking page31 firstlistening listenanddecidewhichstatementprofessorkeeplingdoesnotagreewith weshouldstopdependingonfossilfuelsforourenergy 90 ofourenergycomesfromfossilfuels wecanreplacefossilfuelswithcleanersourcesofenergy nuclearpowerisagoodsourceofenergy agree disagree agree disagree secondlistening listenpart1againandticktheenergysourcesthatarementioned completethenotesonthem producecarbondioxidecheapandconcentratedformofenergy cleannotpractical needhugeareasoflandtoprovideenoughenergy cleannotverypracticalwithpresenttechnology doesnotproducecarbondioxidedangerous thirdlistening listentopart2andthenlistthreethingswecandotosaveenergy firstwemusttrytofindwaystousefossilfuelsthatdoesnotputcarbondioxideintotheair secondwemustproduceproductsthatareeconomicalwithenergy thirdwemustaskpeopletocutdownontheenergytheyuse thirdlistening listentopart2againandfillintheblanks libin whatabout theydon tcutdownontheiruseof keeling no theydon t however thatisa wemustworkonasa community thatmeans and countrieswillhavetoworktogether libin butit snotthe countriesthatputmostofthecarbon intotheair thedevelopedcountriesarereallytheonesto factories energy problem global developed developing developing dioxide blame nowreadagainwhatprofessorkeelingandlibinsay theningroupsdiscusswhoyouagreewithandgivereasons usesomeofthephraseslistedbeloworanyothersyouknow speaking agreement disagreement exactly that strue you reright that sright that scorrect iagree i mafraididisagreewithyou i mafraidnot no idon tagree idon tthinkso noway idoubt s1 iagreewithlibin itisthedevelopedcountriesarereallytheonestoblameandtopayforthat s2 well i mafraididisagreewith professorchenisright whateverwedo wehavetodoitasaglobalcommunity developedanddevelopingcountriesshouldworktogethertoimprovetheenvironment s3 iholdthesameviewpointaslibin indevelopedcountriespeopleareproducingalargeamountofcarbondioxide whichcontributestoglobalwarming isn tittheirdutytodosomethingtodecreasethespeedofglobalwarming s1 exactly s2 itistruethatthedevelopedcountriesaretheonestoblameandtheyshoulddosomething butisitrightfordevelopingcountriestolookonwithoutdoinganything rememberwehaveonlyoneearth whichislikeabigfamily a