Unit4SectionB2a2c课件人教版英语八年级下册

Unit4ThewondersofnatureSectionB2a-2cPart1:IntroductionoftheAlpsTheAlps,thehighestandlargestmountainrangeinWesternEurope,isnamedforitsperenniallysnow-cappedpeaksanddevelopedvalleyglaciers.LocatedinsouthernEurope,itstretchesfromsoutheasternFranceinthewest,passingthroughnorthernItaly,southernSwitzerland,Liechtenstein,andsouthernGermany,andendsinAustriaandSloveniaintheeast.Withastraight-linelengthofabout1,200kilometersandawidthrangingfrom130to260kilometers,ithasanaverageelevationofaround3,000meters.Part2:TheWondersoftheAlpsTheimageontheleftisMontBlanc,themainpeakoftheAlps.ItisanindispensablemarvelintheAlps.ThebeautyofMontBlancisanineffable,divinemajesty.Itdoesnotpiercetheskyinsolitude,butformsanepicofstoneandwatertogetherwiththeancientglaciers,ruggedridges,andbottomlesscrevices.Thesnowonthepeakcondensesintoanalmosttransparenticeshellunderextremelowtemperatures,reflectingadeepbluelusterbeyondtheimaginationoftheworld.Asthelastwarmredraysofthesunsetkissedtheedgesofthegranite,theentiremountainseemedtobeignitedfromwithin,transformingintoaneternal,burningwhitetemplethatloomedovertheEuropeancontinent.Ofcourse.ThegrandeuroftheAlpsextendsfarbeyondMontBlanc.Itsothercornersalsoharborstunningnaturalbeauty,akintodifferentchaptersinasymphonywithupsanddowns,eachexhilaratinginitsownway.IfMontBlancisasolemnprelude,thentheMatterhornstandsasthemostcaptivatingandsolitarymonologuewithinit.LocatedontheborderbetweenSwitzerlandandItaly,thismountaindoesnotexcelinheight,butratherleavesanunforgettableimpressionwithitsperfectpyramidalshape.Itresemblesasharpsilverdagger,piercingstraighttowardstheclearbluesky.Themountainridgeisassharpasablade,andinthemorningsunoreveningtwilight,therockstakeonadeepgolden-redhue,asiftheyhavebeenignited.Atthefootofthemountain,thesmalltownisasquietasapoem,withthemountainanditsshadowinterminglinginadreamlikebeautythatseemsunreal.ThefeelingofstandingamidsttheAlpsishardtosummarizeinjustoneortwowords.It'smorelikeacomprehensiveawakeningthatemanatesfromwithin.Whenyoutrulyimmerseyourselfinit,thefirstsensationthatstrikesyouisasenseofsuddenenlightenmentandfreedom.Youfeelasifthevisionthatisusuallyconfinedbyceilingsandscreensindailylifeissuddenlymagnifiedinfinitely.Yourgazecanrununimpededalongthecurveofthevalleyuntilitencountersthesnowypeaksinthedistance.Witheverydeepbreath,thecrisp,pureair,tingedwithahintofpinefragrance,instantlyfillsyourlungs,asifwashingawayalltheaccumulateddullnesswithinyourbody.Venturingdeepintothemountains,onewillexperienceasenseofimmersionthatmakestimeseemtofadeaway.Whetherit'shikingalongatrail,watchingthesignpostchangefrom"2hours"to"1hour,"orsimplysittingbythelake,watchingthecloudsslowlymoveacrosstheoppositemountainwall,youwillforgetwhatdayitisandwhattimeitis.Thephonesignalmaydisappear,butwhatreplacesitisarenewedconnectionwithnatureandwithyourowninnerself.Ultimately,alloftheseelementsconvergeintoasenseofaweandemotiontowardslifeitself.Whenyouwakeupinthemorning,pushopenthewindow,andseethefirstraysofsunlightilluminatingthesnow-cappedmountains;whenyoulookbackattheendofyourhikeandrealizehowfaryou'vecomeonthemountaintrail-atthatmoment,theanxietyandstressinlifeseeminsignificant.Part3:Summary(WhydoIwanttogototheAlps)IwanttogototheAlps,nottoconqueracertainmountainpeak,nortocompletesomechecklist.Ijustwanttotemporarily"escape"frommybusydailylife,toaplacewheretheairisfresher,thepaceisslower,andtheskyisbroader.Iwanttobreathedeeply,walkfreely,andthen,underthegazeofsnowmountainsandlakes,findmyselfagain,simple,calm,andcurious.ThereareallreasonswhyIwanttogototheAlps.2aMatchthewordsontheleftwiththeiroppositesontheright.____1.below____2.common____3.low____4.dead____5.top____6.northern____7.risky____8.surviveA.safeB.bottomC.southernD.aboveE.unusualF.livingG.highH.dieDEGFBCAH2bReadtheexamplesandmakemoresentencesusinghowandthewordsinthebox.Howfarisitfromyourhometoschool?Howheavyisabluewhale?Howlargeisyourcountry?Howoftendoyouexercise?1.HowlongistheYellowRiver?2.HowhighisQomolangma?3.HowdeepisLakeBaikal?4.Howoldisyourgrandfather?5.Howfastcanacheetahrun?6.Howsoonwillyoubeback?longhighdeepoldfastsoon2cCompletethepassagewiththecorrectformsofthewordsinthebox.deepsurvivewonderfulsurfacediveLocatedinSiberia,Russia,LakeBaikalisoneoftheworld'smostfamouslakes.Itisthe________freshwaterlakeintheworld.Toreachthebottom,youmust________1,620metres!Itisalsolargerthanmostotherlakes.Its________covers31,500squarekilometres.ThatisbiggerthanthecountryofBelgium!LakeBaikaliscoldmostoftheyear.Butover1,200differenttypesofanimalscanstill________inthisenvironment.Today,thelakestillattractsmanycurioustravellers.Afterall,itisagreatnatural________!deepestdivesurfacesurvivewondersurviveWithoutwater,humanscannotsurvive.没有水,人类无法生存.例句例句v.生存；存活；艰难度过Shesurvivedthecaraccidentwithsmallinjuries.她在车祸中幸存，只受了轻伤。(名词)悬崖;峭壁cliffTheymustdealwithhighcliffs.他们必须应对高耸的悬崖。例句ontheedgeofacliff在悬崖边/klɪf/(形容词)可能变化的；易变的；常变的changeable比较级:morechangeable最高级:mostchangeable用法例句Theymustdealwithchangeableweather.他们必须应对多变的天气。v.变化(可数名词)同队队员；队友teammateteamn.队;组maten.伙伴例句巧记Liuallowedhisteammatestosteponhisshoulders.刘让他的队友踩在他的肩膀上。(名词)肩膀；肩部shouldershouldertoshoulder

肩并肩搭配例句常用复数：shoulders考点Liuallowedhisteammatestosteponhisshoulders.刘让他的队友踩在他的肩膀上successfully(副词)成功地；顺利地Someclimbersreachthetopsuccessfully.一些登山者成功登顶。例句successn.成功→succeedv.成功→successfuladj.成功的reefn.礁;礁脉Theislandisencircledbyacoralreef.这个岛周围都是珊瑚礁。例句/riːf/coral用法Itisthebiggestcoralreefintheworld.它是世界上最