Unit7SectionA1a-2d课件-人教版英语八年级下册

Unit7What'sthehighestmountainintheworld?SectionA11a—2dWhat’sthehighestmountainintheworld?What’sthebiggestdesertintheworld?What’sthedeepestsaltlakeintheworld?What’sthelongestriverintheworld?9,600,000ninemillionsixthousand1,025onethousandandtwentyfive6,671sixthousandsixhundredandseventyone8,844.43eightthousandeighthundredandfortyfourpointfortythreePresentationsquaren.平方metern.米deepadj.深的desertn.沙漠populationn.人口Asian.亚洲tourv.n.旅行touristn.旅行者walln.墙amazingadj.

令人大为惊奇的ancientadj.古代的wideadj.

宽的；宽阔的Doyouknowtheseplaces?Qomolangma

QomolangmarunsalongtheborderbetweenChinaandNepal.Itiscoveredwithsnowalltheyearround.It’s8844.43metershigh,thehighestmountainintheworld.It’s26kilometerslong.TheNile

isthelongestriverintheworld.It’smorethan6600kilometerslong.Itrunsthrough9countries.It’soneofthelargestriversthatflowsthroughtheinternationalstatesintheworldandthatrunsintotheMediterraneanSea(地中海)intheend.

theNiletheCaspianSeaTheCaspianSeaisthebiggestlakeintheworld.ItliesintheborderbetweenAsiaandEurope.

TheSaharaisthebiggestdesertintheworld.ItislocatedinthenorthernAfrica.Climateconditionsareverybad.Itisoneoftheearth’smostnotsuitableforbiologicalsurvivals.

theSahara

TheYangtzeRiveristhethirdlongestriverintheworld,thefirstlongestAsianrivers.It’s6211.31kilometerslong.Itflowsthrough11provincesandrunsintotheEastSeainShanghaifinally.theYangtzeRiverWhichis

thehighest

mountainintheworld?Whichis

thelongest

riverinAsia?...…Talkaboutthesepicturesinpairs.1aMatchthefactsyouknow.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershighPracticeinpairslikethis:A:Whichisthehighestmountainintheworld?

B:It’sQomolangma.PracticeA:

HowhighisQomolangma?B:It’s8,844.43metershigh.A:Howdeep/big/longis…?B:It’s…meters/kilometers….1bListenandcompletethesentences.1.Qomolangmais______thananyothermountainintheworld.2.TheSaharais____________desertintheworld.3.TheCaspianSeais____________ofallthesaltlakes.4.TheNileis_________riverintheworld.higherthebiggestthedeepestthelongest1cUsetheinformationin1btomakeconversations.Whatisthehighestmountainintheworld?Qomolangma.Whatisthe…intheworld?….2aListenandnumberthefacts(1-4)intheorderyouhearthem.

___TheYangtzeRiverisabout____kilometerslongandtheYellowRiveris___kilometerslong.___Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.___Chinaisover___yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven___yearsold.___ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.

42132bListenagainandfillintheblankswiththenumbersinthebox.

6,3005,0005,464300___TheYangtzeRiverisabout____kilometerslongandtheYellowRiveris______kilometerslong.___Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.___Chinaisover_____yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven____yearsold.___ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.

42136,3005,4645,0003002cMakeconversationsusingtheinformationin2a.A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.It’smucholderthananycountry.PracticeA:DidyouknowthatYangtzeRiveristhelongestriverinChina?B:Yes,Idid.It’s6,300meterslong.B:Wow!That’slong!TheGreatWall

2dReadtheconversationandanswerthequestions:1.Whichisthebiggestman-madeobjectintheworld？2.WhichisthemostfamouspartoftheMingGreatWall?TheGreatWall.BadalingpartoftheMingGreatWall.Role-playtheconversation.Ⅰ.根据语境，选择下列恰当的单词填空，有的需要变换形式，每个限用一次。deep,protect,tourist,wide,population1.TheseAmerican_________areallinterestedintheSummerPalace.2.—How_________isthislake?—About30m.ButI’mnotsure.Exercisestouristsdeepdeep,protect,tourist,wide,population3.—The___________ofthiscityis80,000,000.—Wow,somanypeople!4.Thisriveris30mlongand12m_________.5.Everyoneshouldtrytheirbestto_________ourenvironment.populationwideprotectⅡ.根据汉语意思完成英语句子，每空一词。1.孩子们，桌子上的东西随便吃！Children,_______toeatanythingonthetable!2.在所有湖中哪一个最大？Whichoneisthebiggest____________?3.他迟到了，主要原因是他起晚了。Hewaslateandthe__________wasthathegotuplate.feelfreeofallthelakesmainreason4.那堵墙大约10米长。