Unit4TheWondersofNatureSectionB2a2c课件人教版英语八年级下册

TheWondersofNatureUnit4SectionAWhatisamazingaboutnature?SectionB

2a-2c01020304巩固介绍珠穆朗玛峰的语篇内容，梳理语篇关于珠峰的介绍以及中国登山队员攀登珠峰取得的不同成就并能精准复述。能够结合本单元主题，按照自然奇观、地貌特征、描述性形容词和副词、人类探索自然的活动等语义类别梳理单元话题词汇。能够通过语篇练习词汇，并通过大数字和形容词的比较级别了解贝加尔湖，理解描述自然景观的词汇在实际语境中的运用，并认同保护自然奇观的重要性。能够梳理本单元中出现的反义词，掌握利用反义词对照的方法理解和记忆单词的策略；能够掌握“How+adj./adv.”结构，并学会使用该结构询问数量、频率、速度等。LearningobjectivesWarming-upLet’senjoyavideo.ReachingNewHeightsDifficultiesanddangersAchievementsofChineseteamsReasonsforclimbingRevisionLet’sreview.Part1①②③④⑤Part2Part3oneofthegreatestwondersoftheworldthehighestplaceonearthtemperaturescanfallto-30degreesthinair,

highcliffs,

andchangeableweatherbefore1960,

noonereachedthetopfromthenorthernside（the“DeathRoad”）DifficultiesanddangersRevisionLet’sanalyze.Part1Before1960,noone_______________fromnorthernside;called"__________";aChineseclimbingteam______________maketheclimb.On24May1960,Chineseclimbers_________theSecondStep.They___________________,andtheymadeitpasttheSecondStep.On25May,theChinesenationalflagflewabovetheworld’shighestmountain_______________.In1975,anotherChineseteamclimbedtothetopofQomolangmato___________.Thistime,they_______________totheSecondStep.In2020,athirdteamreturnedtoQomolangmato________________—8,848.86metres.Until2007,almostallclimbersfromthenorthernsideusedthis“ChineseLadder”to___________much______.reachedthetopDeathRoadwasdeterminedtoarrivedatpulledthemselvesupforthefirsttimedoresearchbroughtaladderreachthetopfastermeasureitsheightAchievementsofChineseteamsPart2ReasonsforclimbingWhydopeoplerisktheirlivestoclimbQomolangma?Humancuriosityandambitioncannot

be

stopped.Becauseit’sthere!—GeorgeMalloryQomolangmaisthehighestmountainintheworld.Itinspiredadeephumandesiretochallengeandexploretheunknown.Part3ReachingNewHeightsDifficultiesanddangersAchievementsofChineseteamsReasonsforclimbingoneof....wondersthe....placeonearthtemperaturescanfallto....air,high...,and..weather.calledthe“....Road”.1960197520072020Date/Place/Story/ResultEvent/DidFactEvent/Heightcuriosityandambitionitissimply“Becauseit’sthere.”RevisionLet’sretell.Part3Part1Part2CanyoutelltheChinesemeaningsofthefollowingwordsthatusedtodescribeQomolangma?below

topcommon

northernlow

risky

dead

survivesafebottom

living

southernhigh

above

dieunusual在......下面顶部常见的北方的低的

/ˈrɪski/有危险的死的生存,存活安全的底部活的

/ˈsʌðən/南方的高的在......上面死亡不寻常的NewdrillsMatchthewordsontheleftwiththeiroppositesontheright.1.____below

5.____top2.____common

6.____northern3.____low

7.____risky4.____dead

8.____surviveA.safe

E.unusualB.bottom

F.livingC.southern

G.highD.above

H.die在...下面常见的低的死的顶部北部的存活northsouth在...上面安全的底部不寻常的活着的高的死去DEGFBCAHadj.有危险的adj.南部的2a

Categorizethewords./ˈkætəɡəraɪz/分类belowcommonlowdeadtopnorthernriskysurviveaboveunusualhighlivingbottomsouthernsafedieadj.adv.v.prep.n.common—unusual;low—high;dead

—

living;northern

—southern;risky

—

safelow—high;below—abovesurvive—diebelow—abovetop—bottomLet’slearnsomeoppositewords.TaklimakanDesert塔克拉玛干沙漠SaharaDesert撒哈拉大沙漠largesmallMountQomolangma珠穆朗玛峰MountTai泰山highlongTheNile尼罗河TheYellowRiver黄河lowshortLet’sreview.SaharaDesert撒哈拉大沙漠MountQomolangma珠穆朗玛峰TheNile尼罗河HowlargeistheSaharaDesert?

HowhighistheMountQomolangma?HowlongistheNileRiver?It’sabout9,320,000squarekilometres.

It’sabout8,848.86metreshigh.

It’sabout6,670kilometreslong.

Let’slearn.疑问副词用法·含义howoftenhowfarhowheavyhowlargehowhighhowlonghowdeephowfast询问频率；多久一次询问距离；多远询问重量；多重询问尺寸/面积/规模；多大询问高度；多高询问长度/时间；多长/多久询问深度；多深询问速度；多快Readtheexamplesandmakemoresentencesusinghowandthewordsinthebox.Howfarisitfromyourhometoschool?Howheavyisabluewhale?Howlargeisyourcountry?Howoftendoyouexercise?通过观察我们可以发现How后接的单词均为形容词或副词，即“How+adj./adv.”。2b询问路程或距离询问重量询问面积或规模询问频率How+adj.+be+subject?询问人或物的属性、感受或状况How+adv.+do(助)+subject+v.?询问动作的细节，包括进行方式、频率或时间1

.

2

.

3

.

4

.

5

.

6

.

longhighdeepoldfastsoonHow

long

is

the

Yellow

River?How

high

is

Mount

TaishaninShandong?How

oldisyourgrandfather?How

fast

canagirafferun?How

soon

willtherainyseasonstartinthisarea?

How

deep

is

theMarianaTrench?VideotimeLet’swatch!LakeBaikal

贝加尔湖贝加尔湖(LakeBaikal)，位于俄罗斯东西伯利亚南部，在布里亚特共和国和伊尔库茨克州境内，湖总容积23.6万亿立方米(2015年)，最深处达1637米(2015年)，是世界第一深湖、亚欧大陆最大的淡水湖。湖长636千米，平均宽48千米，面积为3.15万平方千米，由地层断裂陷落而成，湖面海拔455米，平均水深730米。Completethepassagewiththecorrectformsofthewordsinthebox.2cdeep

survive

wonderful

surface

diveLocatedinSiberia,Russia,LakeBaikalisoneoftheworld'smostfamouslakes.Itisthe______freshwaterlakeintheworld.Toreachthebottom,youmust______1,620metres!Itisalsolargerthanmostotherlakes.Its______covers31,500squarekilometres.ThatisbiggerthanthecountryofBelgium!LakeBaikaliscoldmostoftheyear.Butover1,200differenttypesofanimalscanstill______inthisenvironment.Today,thelakestillattractsmanycurious

travellers.Afterall,itisagreatnatural_______!/ləʊˈkeɪtɪd/位于

/saɪˈbɪəriə/西伯利亚

/ˈfreʃwɔːtə(r)/淡水

/ˈbeldʒəm/比利时/taɪp/种类/əˈtrækt/吸引/ˈkjʊəriəs/好奇的/ˈtrævlə(r)/旅行者/ˈnætʃrəl/自然的

deepestdivesurfacesurvivewonderafterall毕竟；终归占（一片面积）adj.v.adj.n.v.词讲练located

/ləʊˈkeɪtɪd/adj.位于；坐落在1.Thesmallvillage________(locate)atthefootofabigmountainisverybeautiful.2.Ournewschoollibraryis________(locate)intheeastofourcampus.3.Thehotel________(locate)bytheseaisapopularplacefortravelersinsummer.located动词：locate（v.定位；找到；使坐落于）

名词：location（n.位置；地点）常见搭配：belocatedin/at/on（位于……）例句：ThefamouscastleislocatedinScotland.这座著名的城堡位于苏格兰。Ourcompany'snewofficeislocatedatthefootofthemountain.

我们公司的新办公室坐落在山脚下。locatedlocatedLanguagepoints词讲练attract/ə'trækt/v.吸引

1.Afteradecade,hishomewasturnedintoapopulartourist________(attract).2.TheyhopethatHuaHuacanhelp________(attract)morevisitorstoChengdu.3.Thepersonwho________(attract)meisnotyou.attraction动词：attract（v.吸引

）

名词：attraction（n.向往的地方；吸引力）常见搭配：attracttheattentionof...（吸引……的注意）touristattraction

旅游景点例句：Shetriedtoattractthewaiter'sattention.她试图引起服务员的注意。attractionLanguagepointstoattractattracts词讲练curious

/ˈkjʊəriəs/adj.好奇的；求知欲强的1.Thelittleboylookedatthemagicbox_________(curious),wonderingwhatwasinside.2.Her__________(curious)madeheropenthedoorandwalkintotheroom.3.孩子们总是对自然界的一切事物感到好奇。Childrenarealways__________________everythinginnature.curiouslycuriousitycuriousabout词形变换：curiosityn.好奇心

curiouslyadv.好奇地固定搭配：becuriousabout

对……好奇例句：Heissuchacuriousboy,alwaysaskingquestions.

他这个孩子好奇心很强，总是爱提问。Asachild,I’mcuriousabouttheUFO.作为一个小孩，我对不明飞行物感到好奇。Languagepoints词讲练natural

/ˈnætʃrəl/adj.自然的；天然的；天生的1._______(nature)resourcesareimportantandweshouldusethemwisely.

2.Weshouldtrytoprotect______(natural)andliveinharmonywithit.3.Shehaspracticedthepianoforyears,sosheplaysit_________(natural)infrontoftheaudience.Natural自然的；天然的常见搭配：naturalresources/beauty/environment自然资源/美景/环境Wecanenjoythenaturalbeautyinthemountains.

我们可以欣赏大山里的自然美景。天生的；本能的

It’snaturalforpeopletowonderandworryaboutopinionsofothers.好奇和在意别人的想法是人的天性。nature

n.大自然naturally

adv.自然地naturenaturallyLanguagepoints1.HowdeepisLakeBaikal?2.Howlargeisit?3.WhatdidthepassagecompareLakeBaikalwith?Why?4.WhydoyouthinkmanytravellersvisitLakeBaikal?Itis1,620metresdeep.Itssurfacecovers31,500squarekilometres.ItcomparedLakeBaikalwiththecountryofBelgiumbecauseitislargerthanmostotherlakes.AnswerquestionsaboutLakeBaikal.Becauseitisoneoftheworld’smostfamouslakes,thedeepestfreshwaterlakeonEarth,andagreatnaturalwonder.Itshugesize,uniqueenvironment,andrichwildlifeattractcurioustravelers.CompletetheinformationcardofLakeBaikal.ThenintroduceLakeBaikal.LakeBaikalWhere:What:Surface:Climate:Animals:Siberia,Russiathedeepestfreshwaterlakeintheworld(1,620m)31,500squarekilometrescoldmostoftheyearover1,200differenttypesWhereisthelake?PostreadingLakeBaikalLocatedin______,______isoneoftheworld’smostfamous______.Itisthe______intheworld.Itssurfacecovers______squarekilometres.Thatisbiggerthanthecountryof______!______is______oftheyear.______canstillsurvivehere.Exercise一、用括号中所给单词的适当形式填空。1.Manykindsofbirdsspendwinterinthe_________(south)partofChina.2.Wesawmany______(type)ofcolourfulfishswimminghappilyintheclearstreamyesterday.3.________(nature)resourcesa