人教八下英语Unit 4 Section B《自主学习》课件

SectionB自主学习Unit4TheWondersofNature1aWhatdoyouknowaboutMountQomolangma?Tellapartner.MountQomolangma,theworld’shighestmountain,standsontheChina-NepalborderaspartoftheHimalayas.Risingtoabout8,848.86metres,ithasaharshenvironmentofextremecoldandstrongwinds.（答案不唯一）1bScanthearticletofindtheinformationbelow.1.________________:whatclimberscalledthewayupthenorthernsideofthemountain2.________________:thedistancebetweentheSecondStepandsealevelDeathRoad8,600metres由“climb（v.攀爬）+-er”构成。3.________________:whenthefirstChineseteamreachedthetopofQomolangma4._________________:whenthesecondChineseteamreachedthetopofQomolangma5._________________________:theheightofQomolangmain2020On25May1960In19758,848.86metresReachingNewHeightsTomostpeople,MountQomolangmaisoneofthegreatestwondersoftheworld.Onthehighestplaceonearth,youwillfeellikeyouareabletotouchthesky.Butonlythebestclimbersreachthetop,andthatisonlyiftheysurvivetheterribleconditionsfirst.Onthemountain,temperaturescanfallto-30degrees.Climbersmustalsodealwiththinair,highcliffs,andchangeableweather.长难句分析：这是一个并列复合句。and连接两个并列分句：Butonlythebestclimbersreachthetop和thatisonlyiftheysurvivetheterribleconditionsfirst，第二个分句含onlyif引导的条件状语从句。Before1960,noonewasabletoreachthetopofQomolangmafromthenorthernside.Mountainclimbersevencalledthatwaythe“DeathRoad”,butaChineseclimbingteamwasdeterminedtomaketheclimb.bedeterminedtodosth.下定决心做某事On24May1960,climbersLiuLianman,WangFuzhou,QuYinhua,andGongBuarrivedattheSecondStep.Itwas8,600metresabovesealevel.Peoplesaiditwassohighthatevenbirdscouldnotreachit.Liuallowedhisteammatestosteponhisshoulders.Bitbybit,theclimberspulledthemselvesup,andtheymadeitpasttheSecondStep.At4:20a.m.on25May,theChinesenationalflagflewabovetheworld'shighestmountainforthefirsttime.结果状语从句In1975,anotherChineseteamclimbedtothetopofQomolangmatodoresearch.Thistime,theybroughtaladdertotheSecondStep.Until2007,almostallclimbersfromthenorthernsideusedthis"ChineseLadder"toreachthetopmuchfaster.In2020,athirdteamreturnedtoQomolangmatomeasureitsheight—8,848.86metres.引导时间状语不定式作目的状语ClimbingQomolangmaisdangerous.Someclimbersreachthetopsuccessfully,butmanyfail.Whydopeoplestillrisktheirlivestoclimbthehighestmountainintheworld?Itisbecausehumancuriosityandambitioncannotbestopped.Or,astheEnglishexplorerGeorgeMalloryputit,itissimply“becauseit’sthere”!curiousadj.好奇的curiouslyadv.好奇地①探险者②探测器→explorev.探索长难句分析：这是一个复合句。as...putit是方式状语从句，说明后面内容呈现的方式；主句itissimply‘becauseit’sthere中，it作主语，is是系动词，becauseit’sthere是表语从句，说明it（登山这件事）的本质原因。What’sthemainideaofthepassage?_______A.TheterribleconditionsonMountQomolangma.B.ThehistoryofChineseteamsclimbingMountQomolangma.C.WhypeoplelikeclimbingMountQomolangma.D.ThewondersofMountQomolangmaandhumanattemptstoclimbit.D1cReadthearticleagainandfindtheanswerstothesequestions.Writetheparagraphnumbersandnotedownthedetails.1.WhyisitdifficulttoclimbQomolangma?Paragraph(s):Details:1Temperaturesfallto-30℃.Climbersfacethinair,highcliffsandchangeableweather.2.WhatachievementsdidChina'sclimbingteamsmake?Paragraph(s):Details:2,3,41960:FirstChineseteamreachedthetop.On25May,theChinesenationalflagflewabovetheworld’shighestmountainforthefirsttime.1975:AnotherChineseteamclimbedtothetoptodoresearchandleftthe“ChineseLadder”.2020:Ateammeasureditsheightas8,848.86metres.3.WhydopeoplerisktheirlivestoclimbQomolangma?Paragraph(s):Details:5Duetohumancuriosityandambition.Or,asGeorgeMallorysaid“becauseit’sthere”.1dReadagain.CircleTfortrueorFforfalse.Thencorrectthefalsestatements.1.ToreachthetopofQomolangma,oneneedsbothastrongbodyandastrongmind.TF2.TheclimberGongBuhelpedhisteammatesgopasttheSecondStep.TF3.MorethanoneChineseteamusedthe"DeathRoad"toreachthetopofQomolangma.TF4.TwoChineseteamsreachedthetopofQomolangmain1975.TF5.Climbersfirststartedtousethe“ChineseLadder”in2007.TF1eDiscussthequestions.1.HowdoyouthinktheChineseclimbersfeltwhentheyplacedthenationalflagontopofQomolangma?2.WhatdoyouthinkGeorgeMallorymeantby“becauseit’sthere”?3.Whatqualitiesdoyouthinkagoodmountainclimberneedstohave?1.Proud,excited,andfulfilled.2.Itmeanstheattractionofthemountainitself.Themountainistherewaitingtobeconquered.3.Thephysicalstrength,strongwillpower,teamworkskills,andrespect/cautionfornature.2aMatchthewordsontheleftwiththeiroppositesontheright.1.below

_______ 5.top_______2.common_______ 6.northern_______3.low_______ 7.risky_______4.dead_______ 8.survive_______A.safe

E.unusualB.bottom

F.livingC.southern

G.highD.above

H.dieDEGFBCAH2bReadtheexamplesandmakemoresentencesusinghowandthewordsinthebox.Howfarisitfromyourhometoschool?Howheavyisabluewhale?Howlargeisyourcountry?Howoftendoyouexercise?longhighdeeplowfastsoon1.___________________________________________________2.___________________________________________________3.___________________________________________________4.___________________________________________________5.___________________________________________________6.___________________________________________________Howlongistheriverinourcity?Howhighisthattallbuilding?Howdeepistheswimmingpool?Howlowisthepriceofthebook?Howfastcanyourbikego?Howsoonwillthemoviestart?2cCompletethepassagewiththecorrectformsofthewordsinthebox.LocatedinSiberia,Russia,LakeBaikalisoneoftheworld’smostfamouslakes.Itisthe___________freshwaterlakeintheworld.Toreachthebottom,youmust_________1,620metres!Itisalsolargerthanmostotherlakes.Its_________covers31,500squarekilometres.deepenvironmentsurvivewonderfulsurfacedivedeepestdivesurfaceThatisbiggerthanthecountryofBelgium!LakeBaikalisverycoldformostoftheyear.Butover1,200differenttypesofanimalscanstill___________inthis_________________.Today,thelakestillattractsmanycurioustravellers.Afterall,itisagreatnatural__________!deepenvironmentsurvivewonderfulsurfacedivesurviveenvironmentwonder3aReadtheadvertisement.CirclethenumbersandunderlinetheadjectivesandadverbsusedtodescribetheGreatBarrierReef.TheGreatBarrierReef:AnAmazingUnderwaterWorldDoyoulovetheocean?Doyouwanttovisitoneofthenaturalwondersoftheworld?Ifso,visittheGreatBarrierReef!Circle:345,000;900Underline:amazing;natural;biggest;alive;largestLocatedonthenortheasterncoastofAustralia,theGreatBarrierReefisoneofthemostamazingplacestovisit.Itisthebiggestcoralreefintheworld.Ittakesupanareaof345,000squarekilometresandincludesover900islandsandwhitesandbeaches.作不可数名词时，意为“沙子”，作可数名词时，意为“沙滩”。TheGreatBarrierReefisalsoalive!Ifyouvisitit,youwillseethelargestlivingstructureonearth.Here,youcanswim,dive,orsnorkelintheclearwaterandseecoral,plants,andschoolsofcolourfulfish.Ifyoudivedeeper,youmightevenseelargefish,turtles,andsharks.Forpeoplewholovetheocean,visitingtheGreatBarrierReefisthedreamofalifetime!长难句分析：这是一个主系表结构。Forpeoplewholovetheocean是介词短语作状语，其中wholovetheocean是定语从句，修饰people。visitingtheGreatBarrierReef是动名词短语作主语，is是系动词，thedreamofalifetime是名词短语作表语。3bReadastudent’snotesonQinghaiLake.Rewritetheminfullsentences.QinghaiLake·What:asaltlake·Where:QinghaiProvince,China·Specialfact:thelargestlakeinChina(4,340km²)·Thingstodo:photographwildlife(fishandbirds),visitislands,rideabikeorhorse1.QinghaiLakeisa___________in___________________________.2.QinghaiLakeis

_____________________inChina.3.Itis

____________________insize.4.IfyouvisitQinghaiLake,youc