选修六Unit4词汇教学课件(19张ppt)

1．Itisarapidincreasecomparedtomostnaturalchanges.(P26)•跟多数自然变化相比较而言，这却是一种快速的增长词语链接：comparedto/with和……比起来/相比compare...to...把……比作……bycomparisonwith与……相比。Practice•Completethefollowingsentences•(1)Thisschool________(可与……媲美)thebestinthecountry.•(2)________(与他所收藏的相比),thenewstampswerenotveryinteresting.•(3)Black________.(把伦敦的公园比作人体的肺部)•(4)Ifyou________(把这本字典和那本比较一下),you'llfindmanydifferences.canbecomparedwithComparedto/withwhathehadcollectedalreadycomparedtheparksofLondontothelungsofthehumanbodycomparethisdictionarywiththatone2．Sohowhasthiscomeaboutanddoesitmatter?•这种温度的增长是怎么产生的呢？会产生什么影响呢词语链接：comeabout：发生，造成comeout出来；出版；开花；发芽；结果(如何)；(消息)传开comeup发生，举行，走过来；被提出comeover(从远处)来到；改变立场/观点comealong跟着去，赶快；进行，进展Howcome＋句子．..?……是怎么回事/怎么发生的？Howdiditcomeaboutthat...?……是怎么回事/怎么发生的？•Completethefollowingsentences•(1)Sometimesitishardtotell______.(吵架是如何发生的)•(2)Thesecretwillfinally.(泄露出去)•(3)(跟我来),I'llshowyoutoyourroom.•(9)他是怎么知道我们在什么地方的呢？PracticehowaquarrelcomesaboutcomeoutComealongHowdiditcomeaboutthatheknewwherewewere？Or：Howcameheknewwherewewere?3．Allscientistssubscribetotheviewthattheincreaseintheearth'stemperatureisduetotheburningoffossilfuelslikecoal,naturalgasandoiltoproduceenergy.(P26)•所有科学家都同意燃烧煤、天然气、石油等化石燃料导致了地球气温升高。•词语链接：•subscribevi.同意,订阅,捐助vt.签署(文件),捐助•subscriptionn．订阅，订阅费，捐款•subscribern．订阅人，订购者•subscribeto同意，订阅，捐助•(1)Wenolonger____________theviewthatwomenareinferiortomen.•(2)He____________regularlytotheHopeProject.•(3)He__________allthepapersbeforeheleft.PracticeComepletethefollowingsentencessubscribetosubscribessubscribed4.Theproblembeginswhenweaddhugequantitiesofextracarbondioxidetotheatmosphere.(P26)•而当我们使大气层中增加了大量额外的二氧化碳时，问题就来了。•短语a(large)quantityof或(large)quantitiesof后既可跟可数名词的复数也可跟不可数名词。“aquantityof＋名词”构成主语时，谓语动词的数通常根据quantity的数来确定。“largequantitiesof＋名词”做主语，谓语只能用复数形式。词组inquantity表示“大量地”。•(1)__________ofappleswereinthebasketandalarge_____________ofmilkwasinthebucket.•(2)It'salotcheaperifyoubuyitin____________.•(3)Thiscompanyismoreconcernedwithqualitythan__________.PracticeComepletethefollowingsentencesQuantitiesquantityquantityquantityTheyalsoagreethatitistheburningofmoreandmorefossilfuelsthathasresultedinthisincreaseincarbondioxide.(P26)•他们还认为，正是由于燃烧的化石燃料越来越多而导致了二氧化碳的增加。词语链接：resultin引起，导致(某种结果)(＝leadto;bringabout;contributeto)resultfrom由……造成，因……而产生；•(1)Theaccident____________threedeaths.•(2)Hewasashamedthathishesitation__________failure.•(3)Sicknessoften____________eatingtoomuch.•(4)Hisfailure______________notworkinghardenough.PracticeComepletethefollowingsentencesresultedinresultedinresultsfromresultedfrom9.opposevt．反对，抵制•Theyopposedthenewtax.他们反对新税。•Iopposeyourgoingtherealone.我反对你单独去那里。•Iwouldopposechangingthelaw.我将反对改变这个法规。opposesthoppose(sb's)doingsthopposedadj.反对的oppositen.对立面；adj.相对的，完全不同的oppositionn.反对Practice•(1)Hestrongly__________theplan.•(2)Fatherdoesnot__________theideaatall.•(3)Thenewtaxprogrammaymeetwithfierce_________.•(4)Therewasagardenonthe_________sideofthestreet.opposedopposeoppositionopposite6.state•statev．陈述，说明，宣布，声明n．状况，情况；国家•statementn．陈述•statedadj.约定的，已经说明的•It'sstatedthat...据说......•ina...state处于......状况•(1)You'dbetter_________________.(说清楚自己的见解)•(2)He_______________(已声明)hisintentiontorunforelection.•(3)___________(据说)thatallthepeopleintheaccidentwerekilled.•(4)Hearrived____________________.(按照既定的时间)•(5)Heis________________________.(健康状况不太好)PracticeComepletethefollowingsentencesstateyourviewsclearlyhasalreadystatedItisstatedatthestatedtimeinapoorstateofhealth7.range•rangen．范围v.排列；（在一定范围内）变化•beyondtherangeof超越……的范围•withintherangeof在......范围内•outofone'srange某人达不到的地方或范畴•awide/largerangeof各种各样的......•rangefrom...to...从……到……不等•rangebetween...and...在......范围内变化•(1)Thecardswererangedinalphabeticalorder.•(2)It’sbeyondtherangeofmyability.•(3)Hehasawiderangeofknowledge.•(4)Thepricesofthepensrangefrom$5-$100.•(5)Thetemperaturerangesbetween5°C-12°C.PracticeTranslatethefollowingsentences8.averagen．平均，平均数adj.平均的，普通的•on(the)average平均地•above/belowtheaverage在一般水平以上(下),中上(下);在平均数以上(下)Practice(1)______________of6and12is9.(2)1,000peopleayeardieofthisdisease______________.(3)Temperaturesthisyearare_____________________,sowefeelalittlecoolerthanbefore.Theaverageon(the)averagebelowtheaverage