人教版八年級下冊第七單元Section-A1

Unit7SectionAPeriod1(1a-2d)Whichisthehighestmountainintheworld?Whichisthelongestriverintheworld?…Doyouknowthis?Qomolangma

Qomolangma

runsalongtheborderbetweenChinaandNepal.Itiscoveredwithsnowalltheyearround.It’s8844.43metershigh,thehighestintheworld.It’s26kilometerslong.theSahara

TheSaharaisthebiggestdesertintheworld.ItislocatedinthenorthernAfrica.Itsclimateconditionsareverybadandisoneoftheearth'smostunsuitableforbiologicalsurvival.

theCaspianSeaTheCaspianSea(里海)isthebiggestinland

lakeintheworld.Themaxdepthis1,025m(inthesouthernpart).ItliesintheborderbetweenAsiaandEurope.theNileTheNile

isthelongestriverintheworld.It’smorethan6,600kilometerslong.Itrunsthrough9countries.It’soneofthelargestriverflowingthroughtheinternationalstatesintheworldandrunsintotheMediterraneanSea(地中海)intheend.

theYangtzeRiver

TheYangtzeRiveristhethirdlongestriverintheworld,andthefirstAsianriver.It’s6211.31kilometerslong.TheYangtzeRiverBasin,east-westwidthof3,219kilometers,about966kilometerswidenorth-south,passingthrough11provinces.ItrunsintotheEastSeainShanghaifinally.Doyouknowhowtoreadthesenumbers?1351,24564,792356,8908,673,023349,603.21自主學習2精講點撥1hundred百thousand千million百萬billion十億point點8844.43米高2.面積為9,600,000平方公里3.6,671公里長4.1,025米深5.在所有的鹽水湖中8844.43metershigh9,600,000squarekilometersinsize6,671kilometerslong1,025metersdeepofallthesaltlakes自主學習21aMatchthefactsyouknow.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershigh8,844.43metershigh.…8,844米高metershigh(long,wide,…)…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_____作狀語。Thewallis1.7meterswide.那面墻一米七寬。Explanation前1bListenandcompletethesentences.1.Qomolangmais_________thananyothermountainintheworld.2.TheSaharais__________desertintheworld.3.TheCaspianSeais___________ofallthesaltlakes.4.TheNileis_________riverintheworld.higherthebiggestthedeepestthelongestUsetheinformationin1btomakeconversations.1cA:Whatisthehighestmountainintheworld?B:Qomolangma.Practiceinpairslikethis:A:Whatisthe…inthe…?B:…PracticeWhatisthelongestriverintheworld?TheNile.Whatisthebiggestdesertintheworld?TheSahara.WhatisthelongestriverinAsia?TheYangtzeRiver.2aListenandnumberthefacts[1-4]intheorderyouhearthem._____TheYangtzeRiverisabout_____kilometerslongandtheYellowRiveris________kilometerslong._____Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.6,3005,0005,46430042_____Chinaisover________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_________yearsold._____ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.13Listenagainandfillintheblanksin2awithnumbersinthebox.2b_____TheYangtzeRiverisabout_____kilometerslongandtheYellowRiveris________kilometerslong._____Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.6,3005,464_____Chinaisover________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_________yearsold._____ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.5,0003001.Chinahasthebiggestpopulationintheworld.populationn.人口；人口數(shù)量Thepopulationofthiscityissixmillion．這個城市的人口是600萬。ThepopulationofChinaismuchlargerthanthatoftheUSA.中國的人口比美國的人口多很多。Languagepoints詢問人口數(shù)量時要用“What’sthepopulationof...?”

提問，而不用howmany或howmuch等提問。表示人口“多”要用_________；表示人口“少”要用_________。large或bigsmall1).ThepopulationofShanghaiis_____thanthatofGuiyang.

A.smallerB.largerC.lessD.large2).---_____isthepopulationofthetown?---Over20,000.Andathirdofthepopulation_____workersofthecarfactory.A.What,areB.Howmany,areC.What,isD.Howmany,isBAOneof+adj最高級+n復數(shù)Makeconversationsusingtheinformationin2a.2cA:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.It’smucholderthanmycountry.A:DidyouknowthatYangtzeRiveristhelongestriverinChina?B:Yes,Idid.It’s6,300meterslong.A:Wow!That’slong!A:DidyouknowthatChinahasthebiggestpopulationintheworld?B:Yes,Idid.It’salotbiggerthanthepopulationoftheUS.A:Wow!That’samazing!2dRole-playtheconversation.

中國的長城共有近一萬公里，東起河北秦皇島的山海關，西到嘉峪關，這是明代修筑長城的兩個最大關口，北京境內(nèi)的長城有600余公里，比較著名的有八達嶺長城、金山嶺長城、司馬臺長城、慕田峪長城、居庸關長城和箭扣長城等。TheGreatWall

慕田峪長城2dReadtheconversationandanswerthequestions:1.Whichisthebiggestman-madeobjectsintheworld？2.WhichisthemostfamouspartoftheMingGreatWall?TheGreatWall.Badalingpartofthewall.1.Feelfreetoaskmeanythingontoday’sGreatWalltour.feelfree是英語口語中一個常用表達。feelfreetodosth.，讓你無需拘束，只管按照自己的意愿去做某事。A:CanIuseyourbathroom?

我可以用一下你的衛(wèi)生間嗎？B:Yes,feelfree.

可以，請隨意。Iamnothungry.Feelfreetoeatmyapple.我不餓。你想吃我的蘋果就吃吧。Feelfreetocontactmeifyoustillneedanyhelp.

如果還需要幫忙，盡管聯(lián)系我。asfarasIknow是一個固定的表達方式，還可以說sofarasIknow，意思是“據(jù)我所知”。2.AsfarasIknow,therearenoman-madeobjectsasbigasthis.據(jù)我所知，再沒有像它這樣大的人造物體了。AsfarasIknow,Jack’sgottwinsisters.就我所知，杰克有一對孿生姐妹。They’renotcomingtoday,sofarasIknow.他們今天不來了，就我所知是這樣的。

AsfarasIknow,hewillbeawayforthreemonths.

據(jù)我所知,他將離開三個月。man-madesatellite

人造衛(wèi)星Nylonisaman-madefibre.

尼龍是一種人造纖維。man-made是合成形容詞，類似的與-made合成的形容詞還有：_____________(現(xiàn)成的；做好的),_______________(手工的),_____________(自制的),______________(量體定制的)等。man-madeadj.人造的，人工的，合成的ready-madehand-madehomemadetailor-madeMakeadialogue,talkingaboutaplaceofinterest.Oneactsastheguideandtheotherthetourist.Use2dasanexample.PairworkReadthewordsandexpressionsloudly.QomolangmatheNiletheCaspianSeatheSaharatheYa