Unit7WhatsthehighestmountainintheworldSectionA3a-4c课件-人教版八年级英语下册

第一节科学探究：杠杆的平衡条件山东教育出版社Unit7What’sthehighestmountainintheworld?SectionA3a-4cDoyoulikeclimbingmountains?Lead-inOfallthemountainsyou’veclimbed,whichisthehighest?FreeTalkMountHuangaround1800metershighMountHuaaround2154metershighLead-inFreeTalkOfallthemountainsintheworld,whichisthehighest?Qomolangmais

thananyothermountainintheworld.It’s

metershigh.higher8844.43WhatelsedoyouknowaboutQomolangma?Qomolangmaispartof

andit’sinthe

partofChina.theHimalayassouthwesternArethereanypeoplereachingthetop?Q:Whatisthepassagemainlyabout?MaybeitintroducesQomolangmaandthereasonofitsbeingdangerous.Qomolangma—theMostDangerousMountainintheWorld?Lookatthepictureandthetitleandguess:3a123Readthepassageandmatcheachparagraphwiththemainideas.Findtopicsentencesandkeywords.They’rehelpful.Trytofindmore!Para1SpiritofclimbersPara2Achievements

ofclimbersPara3FactsanddangersPara.1Facts&DangersAchievementsofclimbersSpiritofclimbersPara.2Para.3structurePara.1Facts&DangersAchievementsofclimbersSpiritofclimbersPara.2Para.3Challenge1ReadPara.1andcompletethemindmap.factsdangersOneofthemostpopularplacesfor_________________.Runalongthe_______________

partofChina.It’s____________metershigh.It’s____________toclimb.______________coverthetop.Snowcan

fallvery__________.___________weatherconditions.___________storms._________to____________air.southewestern8,844.43dangerousThickcloudsHardhardFreezingHeavytakeinPara.1mountainclimbingPara.1Facts&DangersAchievementsofclimbersSpiritofclimbersPara.2Para.3Challenge2ReadPara.2andcompletethechart.ClimbersTimeAchievementsTenzingNorgayandEdmundHillaryin1953Thefirstpeopleto

reach…TheChinesein1960Thefirst…team…JunkoTabeiin1975Thefirstwomanto

succeed…

Whydopeoplestilltrytoclimbiteventhoughitisdangerous?Findkeywordsliketimeandnames.Para.1Facts&DangersAchievementsofclimbersSpiritofclimbersPara.2Para.3Challenge3ReadPara.3andanswerquestionsbelow:Whydosomanypeopletrytoclimbthismountaineventhoughitisdangerous?2.Whatdoesthespiritoftheclimberstellus?Oneofthemainreasonsisthatpeoplewanttochallengethemselves

inthefaceofdifficulties.Itshowsusthatweshouldnevergiveuptryingtoachieveourdreams.Italsoshowsthathumanscansometimesbestrongerthantheforcesofnature.Findkeywordslike“because,reasons,show”…Shouldhumansconquer(征服)nature?What’stherelationbetweenhumanandnature?Whydosomanypeopletrytoclimbthismountaineventhoughitisdangerous?2.What

doesthespiritoftheclimbers

tell

us?SpiritofClimbersFactsandDangersAchievementsofClimbersdangers195319601975reasonsspiritTheHimalayas_________the_____________partofChina.Qomolangma______thehighest(__________).snow_______veryhardIt’shardto___________air.thefirstpeople_________thetopthefirst______________didsothefirstwomanto_________Humanscan

sometimesbe_______than________ofnature.runalongsouthwesternrises8848.86coverfallsfreezingtakeintoreachChineseteamsucceedchallengeinthefaceofachieveourdreamsstrongerforcesthickclouds______thetopPeoplewantto_________themselves____________difficulties.nevergiveuptryingto____________________________weatherconditionsandheavystormsfactsFillandretellWhatotherspiritscanwelearnfromclimbers?respect（尊重）fornatureloveformotherland（祖国）

brave/believeinourselvesteamwork（团队合作）great

perseverance（毅力）

Discussion

FreeTalk:Whatisthe“Qomolangma”inyourlife?Howcanyousolveit?QomolangmastudyrelationsdreamThe“Qomolangma”inmylifeisthat____________.Inordertoovercome(克服)it,I_____________

The“Qomolangma”inMyLife

My“Qomolangma”isthat...____________

_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Inthefaceofthedifficulty,Iwill…________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Allinall,nomatterhowharditis,Ibelieve…_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Youcanwritelikethis:problemssolutionsspiritWriting请以The“Qomolangma”inMyLife为题，写一篇100词左右的短文。参考词汇：giveupinthefaceofeventhoughtryone’sbestsucceed

My“Qomolangma”isthatIcan’tlearnEnglishwell.EveryEnglishclassislikeabaddream.TheteacherspeakssoquicklythatIdonotunderstandher.What’sworse,Ioftenmakemistakesingrammar.Thatmakesmeunhappy.

However,myteachersandclassmatesalwayshelpmeout.Idecidetochallengemyselfinthefaceofdifficulties.Firstly,Iwilltrymybesttolistentotheteachercarefully.Secondly,IwilltakeEnglishnotesinordertoimprovemygrammar.Besidesthat,itisnecessaryformetoasktheteacherforhelpeventhoughIamalittleshy.

Allinall,IwillnevergiveuplearningEnglishnomatterhowharditis.IbelieveIcansucceed.ASample8

minsWriting请以The“Qomolangma”inMyLife为题，写一篇100词左右的短文。参考词汇：giveupinthefaceofeventhoughtryone’sbestsucceed“Itisnotthemountainweconquerbutourselves.”—EdmundHillary单击此处添加标题文本内容新课探究情境导入课堂小结1.Evenmoredifficultiesincludefreezingweatherconditionsandheavystorms.include与including前者是动词，后者是介词Thisplanincldesmostofyoursuggestions.Thisgroupincludestwoengineersandtwentyworkers.TherearetwentystudentsintheclassroomincludingTom.Languagepoints单击此处添加标题文本内容新课探究情境导入课堂小结2.Itisalsoveryhardtotakeinairasyougetnearthetop.Itis+形容词+forsb.todo做某事对某人来说怎么样

it做形式主语Itisdifficultforustoplayping-pong.3.achieveourdreams实现我们的梦想=makeourdreamscometrue让我们梦想成真4.giveup

doing放弃做某事give

upsmoking戒烟giveup

playingcomputergamesLanguagepointsQomolangmaParagraph1

Paragraph2

Achievements...Paragraph3Spiritofclimbers...

Facts...Dangers...Whichsentencesmovedyouandyoulikebest?Thespiritoftheseclimbersshowsusthatweshouldnevergiveuptryingtoachieveourdreams.Italsoshowsthathumanscansometimesbestrongerthantheforcesofnature.永远不要放弃尝试实现我们的梦想人类有时能比自然的力量更强大SummaryFindoutthecomparativesandsuperlatives.GrammarFocusRule1：形容词最高级前必须加定冠词the，句末常跟in/of短语表示范围。Rule2：比较级结构可以表示最高级含义比较级+anyother+可数名词单数Rule3:much、alittle、alot可以修饰比较级,表示比较程度形容词和副词的比较级和最高级大多数形容词和副词都有三个级。原级:常用结构as...as...

像……一样ZhangHongisastallasTom.张红和汤姆一样高。2)比较级

(用于两者之间的比较)常用结构：形容词比较级＋than...Heistaller

thanI.他比我高。3)最高级(用于三者或三者以上的比较)，常用结构:the+形容词的最高级＋of/in...

Heisthe

tallest

ofthethree.他是这三个人中最高的。

Heisthe

funniest

inhisclass.他是他们班最有趣的。

形容词、副词比较级和最高级规则变化和不规则变化。规则变化

1)一般情况下，单音节或双音节的形容词（或副词）比较级＋er

，最高级＋est

如：clever－cleverer－cleverest

few－fewer－fewest

small－smaller－smallest等。2)以e结尾的词，比较级＋r，最高级＋st

即可。如：nice－nicer－nicestcute－cuter－cutestlarge－larger－largest3)以辅音字母＋y结尾的变y为i＋er或est

如:easy－easier－easiest

happy－happier－happiest

再如：early,busy,heavy,dirty,lazy也如此。4)元音+辅音（重读）双写＋er

或

estfat－fatter－fattest

2.thin－thinner－thinnest

3.hot－hotter－hottest

4.red－redder－reddest5.wet－wetter－wettest

6.big－bigger－biggest

5)多音节和部分双音节的词＋more构成比较级，＋themost构成最高级。如：beautiful－morebeautiful－themostbeautiful又如:delicious,popular,important,interesting,expensive,creative

a)规则变化：careful－morecareful－themostcareful

useful－moreuseful－themostusefulb)不规则变化：

good－better－bestwell－better－best

bad－worse

－worst

many,much－more－most

far－farther－farthest

(距离远)

far－further－furthest

(程度深)c)“oneof+the+形容词的最高级+复数名词”，意为“最……之一”。如：

MissWangisoneofthemostpopularteachersinourschool.1.TheAmazonRiverisoneofthe_________riversintheworld.

It’salittle________thantheYangtzeRiver.2.Qomolangmais8,844.43meters_______.It’soneofthemost

__________placesforseriousmountainclimbers.3.Nooceanintheworldisas________asthePacificOcean.4.AlthoughJapanis_______thanCanada,itis________smaller.bigmuchpopularlongoldhighlongestlongerhighpopularbigoldermuch太平洋4aFillintheblankswiththecorrectformsofthewordsinthebox.4be.g.Tworivers:theYangtzeRiverandtheAmazonRiverWritetwocomparisonsabouttwotopics.Writetruefacts.TheYangtzeRiverisalmostaslongastheAmazonRiver.TheAmazonislongerthantheYangtze,buttheYangtzeisthelongestriverinChina.Twocities:_________and___________1.___________________________________________.2._______________________________________________________________________________.ShanghaiSydneyShanghaiisasmodernasSydneyShanghaiismuchsmallerthanSydney./SydneyismuchlargerthanShanghaimodernarea:6340.5sqkmmodernarea:1,2368.193sqkmTwoanimals:___________and____________1._______________________________.2._______________________________________.AnelephantistallerthanapandaanelephantapandaAnelephantismuchheavierthanapandais150cmtallweighs100kilosis350cmtall

weighs5,000kilos4c1.________________________________________________________2.________________________________________________________3.________________________________________________________4.________________________________________________________5.________________________________________________________Whatisthehighestbuildinginourcity?Whatisthebusiestroadinourcity?Whatisthelargestshoppingmallinourcity?Whichisthebiggestparkinourcity?Whichisthemostexpensiveclothesstoreinourcity?Writefivequestionsusingcomparisons.Thenaskyourpartneryourquestions.1.Itis_____formetofollowtheAmericanguestsbecauseIamgoodatEnglish.A.bad B.easy C.hard D.right2.Ifyoutalkloudlyinthepubliclibrary,otherpeoplewill_____you.A.bedifferentfrom B.beangrywithC.begoodfor D.befullof单项选择ExercisesB

B

3.IntheEnglishclass,youshouldread_____topracticeyourspokenEnglish.A.loudly B.big C.alone D.lonely4.Lanzhouist