英语Unit22_Environmental_ProtectionLesson1_Global_Warming.ppt

Lesson1GlobalWarming Appreciationofafilmtrailer 预告片 Lookatthepicturesandwhatdoyouknowaboutglobalwarming Withoutthisgreenhouseheating theEarth saveragetemperaturewouldbeonlyabout 73C 100F eventheoceanswouldbefrozenundersuchconditions suchastheMoonandtheMars Mars Moon Owingtotheriseinatmosphericcarbondioxidecausedbymodernindustrialsocieties widespreadcombustionoffossilfuels coal oil andnaturalgas thegreenhouseeffectonEarthmaybeintensifiedandlong termclimaticchangesmayresult ReadingBeforeyoustart Whichcountriesdoyouthinkcontributemoretoglobalwarning a developedcountriesb developingcountriesmoreindustryandtechnology Whateffectwillglobalwarminghaveontheseaandthelivingthingsinthesea Whatwillhappenwithglobalwarming WillglobalwarmingaffectthelifeofNorthPolarBear Whatwillhappentopenguinsbecauseofglobalwarming Whatwillyoudoeverydaytohelpreducegreenhousegases Takingpublictransportlikebusescanreducegreenhousegasemissions Andtakingtraincanalsohelpareductionofgreenhousegas Therecyclingsymbol Buytherecycledproducts Recycledproducts Recyclingthebottles Paperrecycling yourpapercouldbecomepartofaroadorrace track usinglow flowshowerheads buyingenergy efficientlightbulbs replace with Languagepoints 1 inthelast 时间段 意为 在过去的 作时间状语 常与现在完成时连用 2 beyondone scontrol超出 的控制力 不受 控制3 pump into注入 液体 气体等 4 speedup 使 加速5 lookahead展望未来 向前看 扩 lookinto调查lookup查找 向上看lookforwardto期盼 盼望6 dangern 危险 风险indanger of 处于 的 危险中dangerousadj 有危险的endangervt 危害 使遭受危险endangeredadj 动植物 濒危的 练习 用danger的适当形式填空Inouropinion thetigerisakindof animal foritislargeandviolent butnowitisfacingitsown thatisbecausepeoplekillitwithoutstrictandeffectivelimits andnowitis dangerous danger endangered 7 relevantadj 有关的berelevantto与 紧密相关复习 与 相关 的表达 berelatedto beinvolvedin beconnected associatedwith belinkedto with 8 referto谈及 提到注 to是介词 后跟名 代 动名词referv 指 意即referencen 9 inturn 依次 轮流 转而 反过来inreturn作为回报e g Thestudentsansweredtheteacher squestions Heisalwayshelpingotherswithoutanything 10 trapvt 收集 吸收 be tappedin困在 里 陷入 be caughtin或 be stuckin inturn inreturn 11 pin on vt 把责任加在某人身上12 theamountof 不可数n 的数量 谓动用单alargeamountof 不可数n 大量的 谓动用单largeamountsof 不可数n 大量的 谓动用复提示 amount有关搭配 后常接不可数n amount有关搭配修饰的名词做主语 其后谓语动词单复数取决于amount的数 e g Alargeamountofmoney be spentonadvrtisementseveryday 13 givenprep 考虑到 鉴于 后接名 代 that从句 takesthinaccount is 14 coincidencen 巧合 巧事bycoincidencd巧合地Itis not acoincidencethat 不是 巧合扩 表示 碰巧 偶然 及 故意 的短语 byaccident偶然 意外地bychance偶然 碰巧onpurpose故意 有意地bydesign故意地 15 inquantity大量 许多alargequantityof 可数n 复 不可数n 大量的 谓动用单largequantitiesof 可数n 复 不可数n 大量的 谓动用复提示 quantity有关搭配修饰的名词做主语 其后谓语动词单复数取决于quantity的数 e g Largequantitiesofoil be importedfromabroadeveryyear are 16 whether or 无论是 还是 whether todosth ornot是否 做 17 bepreparedtodosth准备做某事 bereadytodosth18 makemoney挣钱 earnmoney19 takeaction采取措施takeactiontodosth采取措施做某事 20 advocatevt 主张 提倡advocate doing sth 提倡 主张 做某事 advocatethat should do 提倡 主张 e g Headvocates reform thesystemofeducation Someeducatorsadvocatethatchildren reward fortheirgoodbehaviour reforming should berewarded 21 substitute n 代替品 代用品asubstituteforsb sth 的代替物 vi 以 代替substituteforsb sth 代替某人 某物substituteAforB用A代替BsubstituteBwithAe g Therecipecallsforbutter butyoucansubstituteit margarine Therecipecallsforbutter butyoucansubstitutemargarine it with for 复习 代替 的各种表达 replaceAwithB用B代替Ataketheplaceof takeone splace代替inplaceof代替insteadof代替 Translation Hishonestyisbeyondquestion 他的忠诚是毋庸置疑的 食用过多的糖会引起健康问题 Eatingtoomuchsugarcanleadtohealthproblems 我们坚决要求全额退款 Weinsistedonarefundofthefullamount Grammar 1 HumanbeingsarecausingchangesintheEarth sclimate toreportthat Ex6 Whatverbsareusedinthetexttoreportthesestatements 2 GasespumpedintotheEarth satmospherehavebeenspeedinguptheprocessofglobalwarming toclaimthat3 Globalwarmingcouldbeoneofthebiggestenvironmentalproblemsfacingthe21stcentury tobelievethat 4 Globalwarmingismostlyduetohumanactivities toinsistthat5 Globalwarmingwillcauseterribleclimatechangesincludingmorefrequentfloods heatwaves anddroughts towarnthat Ex7 Lookatthesesentencesfromthetextandexplainwhytheunderlinedverbsarenotofthesametenseasthereportingverbs Recentreportswarnedthatglobalwarmingwillcauseterribleclimatechanges 2 ScientistsfoundthatthetemperatureoftheEarthiscontrolledbygreenhousegases Answers 1 becauseitisinthefuture2 becauseitisageneraltruth Ex8 Matchthesentenceswithappropriatereportingverbsfromthelist Thenwritethereportedsentences admit report forbid ask invite order suggest threaten We llclosecreditlinesifyoudon treducetheamountofcarbondioxideyouproduce 2 OK you reright somepoisonouschemicalsdidescapeintotheatmosphere 3 Whydon tyoudropintonightaheadofyourmeeting 4 Standupimmediately 5 Youcan tusethedictionariesduringthetest 6 Shallwehavepancakeswithhoney 7 Isthebusservicerunningaccordingtothetimetabletoday 8 Thefirehasluckilycausednolossoflife 1 Theythreatenedtocloseourcreditlinesifwedon treducetheamountofcarbondioxideweproduce 2 Theyadmittedthatsomepoisonouschemicalshadescapedintotheatmosphere Theanswers 3 He She Theyinvitedmetodropintonightaheadofmymeeting 4 He She Theyorderedmetostandupimmediately 5 He She Theyforbadeustouseourdictionariesduringthetest 6 She He Theysuggestedhavingpancakeswithhoney 7 I He She They Weaskedifthebusservicerunningaccordingtothetimetabletoday 8 Hereportedthatthefirehadluckilycausednolossoflife Ex9 Usethefollowingverbstoreportthetwodialogues a TomadvisedJohnnottoplaythegametoday JohnadmittedthatTomwasrightbecausehewasstillalittlebitill Hepromisednottoworktoohard TomwarnedJohntobecarefulbecauseifheranaroundtoomuchinthisweatherhemightgetanotherattackoftheflu Theanswers b SarahbeggedhermothertobuyhertheCDbecauseshehadalwayswantedit Hermotherrefusedandexplainedthatshecouldn