初中英語八年級下冊Unit 7 Section A(1a-2d)課件

人教新目標英語八年級下冊Unit7What'sthehighestmountainintheworld?SectionA1a-2dleadinlet'senjoyavedioleadinFreetalkWhichisthehighestmountainintheworld?It'sQomolangma.Whichisthelongestriverintheworld?It'stheNile.

Whichisthedeepestsaltlakeintheworld?It'stheCaspian.Whichisthebiggestdesertintheworld?It'stheSahara.newwordsLearnnewwords1.squaren.平方；正方形2.meter(=metre)n.米；公尺3.deepadj.深的；縱深的4.desertn.沙漠5.populationn.人口；人口數(shù)量What'sthepopulationofyourcity?你們市的人口是多少?Learnnewwords6.Aisan.亞洲7.feelfree（可以）隨便（做某事）Youcanfeelfreetositathome.8.Tourn.&v.旅行；旅游touristn.旅行者；觀光者9.walln.墻10.ancientadj.古代的；古老的Thisisanancientcup.newwordsLearnnewwordsnewwords11.amazingadj.令人大為驚奇的；令人驚喜的Thisisanamazingnews.12.protectv.保護；防護Weshouldprotectourenvironment.13.wideadj.寬的；寬闊的14.man-madeadj.人造的MemoryP.K.沙漠旅行者；觀光者亞洲旅行；旅游隨便做某事人口；人口數(shù)量古代的；古老的desertpopulationAsiatourfeelfreetouristancientnewwords防護；保護protect令人大為驚奇的amazing寬闊的wide就我所知asfarasIknow人造的man-made平方；正方形square米；公尺meter深的；縱深的墻walldeeppresentationLookandsayWhatdoyouknowaboutQomolangma?QomolangmabelongstoHimalayanMountains.ItliesbetweenNepal(尼泊爾)andChina.Itisabout8,848.43metershigh.WhatdoyouknowaboutTheNile?

TheNileisthelongestriverintheworld.It’smorethan6,600kilometerslong.Itrunsthrough9countries,andrunsintotheMediterraneanSea(地中海)intheend.LookandsaypresentationWhatdoyouknowaboutTheCaspiansea?TheCaspiansealiesbetweenAsiaandEurope.Infact,itisaninlandlake.Thewaterinthelakeissalty.

Itis1,025metersdeep.LookandsaypresentationWhatdoyouknowaboutTheSahara?TheSaharaislocatedinthenorthernAfrica.Itisabout9,600,000square

kilometersinsize.Lookandsaypresentation1a.Matchthefactsyouknow.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershighpresentation1.Qomolangmais ________thananyothermountainintheworld.2.TheSaharais__________desertintheworld.3.TheCaspianSeais__________ofallthesaltlakes.4.TheNileis___________riverintheworld.1b.Listenandcompletethesentences.higherthebiggestthedeepestthelongest=theothermountainspresentationpairworkWhatisthelongestriverintheworld?TheNile.HowlongisTheNile?

Itis

6,671

kilometerslong.1c.Usetheinformationin1btomakeconversations.Whatisthedeepestsaltlakeintheworld?TheCaspianSea.HowdeepisTheCaspianSea?Itis

1,025

metersdeep.1c.Usetheinformationin1btomakeconversations.pairworkWhatisthehighestmountainintheworld?Qomolangma.HowhighisQomolangma?Itis8,844.43metershigh.1c.Usetheinformationin1btomakeconversations.pairwork___TheYangtzeRiverisabout______kilometerslongand

theYellowRiveris_______kilometerslong.__Chinahasthebiggestpopulationintheworld.

It’salot

biggerthanthepopulation

oftheUS.__Chinaisover________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_______yearsold.__ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.2a.Listenandnumberthefacts[1-4]intheorderyouhearthem.6,300

5,000 5,464

3002413presentation__TheYellowYangtzeRiverisabout______kilometerslonghiand

theRiveris_______kilometerslong.__Cnahasthebiggestpopulationintheworld.

It’salot

biggerthanthepopulation

oftheUS.__Chinaisover________yearsold.Ithasamuchlonger

historythantheUS.TheUSisnoteven_____yearsold.__ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.2b.Listenagainandfillintheblanksin2awiththenumbersinthebox.6,300 5,000 5,464 3006,3005,4645,000300presentationgroupwork2c.Makeconversationsusingtheinformationin2a.DidyouknowthatChinaisoneof

theoldestcountriesintheworld?Yes,Idid.It’smucholderthanmycountry.DidyouknowthatChinahasthebiggest

populationintheworld?Yes,Idid.It’salotbiggerthanthepopulationoftheUS.2c.Makeconversationsusingtheinformationin2a.groupworkDidyouknowthatChinaisthebiggestcountryinAsia?Yes,Idid.It’salmostasbigastheUS.2c.Makeconversationsusingtheinformationin2a.groupworkreadandact2d.Role-playtheconversation.Guide:

__________askmeanythingontoday’sGreatWalltour.Tourist1：Howlongisthewall?Guide:Ah,_______________question!Ifwe’reonlytalkingaboutthepartsfromtheMingDynasty,it’sabout8,850kilometerslong.Thismakesitthe_________wallintheworld.Tourist2:Wow,____________!Whydidtheancientemperorsbuildthewall?Guide:Themainreason___________

theirpartofthecountry.____________，it’squitetallandwide.________________,thereareno_________objectsasbigasthis.Tourist3:IsBadalingpartoftheMingGreatWall?Guide:Yes,it’s_______________part.Feelfreeto

themostpopularlongestthat’samazingwastoprotectAsfarasIknowAsyoucanseeman-madethemostfamousHowlongistheGreatWall?Readthedialoguein2d,thenanswerthequestionsbelow.FromtheMingDynasty,it’sabout8850kilometerslong.Themainreasonwastoprotecttheirpartofthecountry.Yes,it’sthemostfamouspart.2.Whydidtheancientemperorsbuildthewall?3.IsBadalingpartoftheMingGreatWall?presentationpresentationlanguagepoints1.population：意為“人口數(shù)量”，“人口”，是一個集合名詞.population常與定冠詞the連用,作主語用時,謂語動詞常用第三人稱單數(shù)形式。Theworld’spopulation___increasing__________________.全世界的人口增長得越來越快。ThepopulationofChinaisabout1,300,000,000.中國人口大約有13億。表示人口“多”要用large或big；表示人口“少”要用small。Chinahasthelargestpopulationintheworld.isfasterandfaster當主語是表示“人口的百分之幾、幾分之幾”時,謂語動詞用復(fù)數(shù)形式。eg:中國大約有百分之七十的人口是農(nóng)民。AboutseventypercentofthepopulationinChinaarefarmers.

詢問某國、某地有多少人口時,

“Howlarge...?”;在問具體人口時用“What...?”。你們家鄉(xiāng)有多少人口?

加拿大的人口數(shù)是多少?

Howlargeisthepopulationofyourhometown?

WhatisthepopulationofCanada?The___________

ofthiscityissixmillion．ThepopulationofChinaismuch______thanthatoftheUSA.A.largeB.smallC.largerD.smallerpopulationClanguagepointspresentation2.Qomolangmais8,844.43metershigh.Itis…metershigh(long,wide…).

它……米高(長,寬……)。英語表示“有多長(寬，高……)”時，一般將數(shù)詞和數(shù)量單位放在表示長寬高的形容詞前作狀語。Themountainismorethanthreethousandmeters______Itisonly380,000kilometers________.high.awaylanguagepointspresentation3.It’smucholderthanmycountry.muchhigher

意為“高得多”。在形容比較級前還可以用much,even,alittle,still,alot,less等修飾詞表示程度。他比我跑得更快。Herunsevenfaster

thanI.日本土地面積只比德國大一點兒。Japanis__________largerthanGermanyinarea.A.alittleB.littleC.manyD.soAlanguagepointspresentation4.Feelfreetoaskmeanythingontoday’sGreatWalltour.

在今天的長城游中，大家盡管問我任何問題，不要拘束。

feelfree是英語口語中一個常用表達。若有人讓你feelfreetodosomething,就是讓你無需拘束，只管按照自己的意愿去做某事。A:CanIuseyourbathroom?B:Yes,__________.A.youcouldB.youdoC.feelfreeD.mayClanguagepointspresentation5.AsfarasIknow,therearenoman-madeobjectsasbigasthis.

據(jù)我所知，再沒有像它這樣大的人造物體了。asfarasIknow是一個固定的表達方式，還可以說sofarasIknow，意思是“據(jù)我所知”。AsfarasIknow,Jack’sgottwinsisters.就我所知，杰克有一對孿生姐妹。They’renotcomingtoday,___________Iknow.A.asfarasB.assoonasC.ascanasD.asweasAlanguagepointspresentationsummary1.Tolearntocomparefacts2.Tolearntoexpresslargenumbers3.Tolearntotalkaboutgeographyandnature4.Tolearnnewwords:square,meter,deep,desert,populat