初中八年级英语课件Unit7课件

Unit7

What’sthehighestmountain

intheworld?SectionA(1a-2d)

Unit7What'sthehighestmountainintheworld?

ObjectivesDescrbleobjectsbyusingtheformsofcomparativesandsuperlativesMastertheuseoflargenumbers.E.g.Qomolangmais8,844.43metershighPornounceandusecorrectlythenewwordssuchassquare,meter,deep,desert,population,Asia.Tocultivatestudents'awarenessoflovingnatureandprotectingtheenvironment.ObjectivesAttheendofthelesson,studentswillbeableto1.pornounceandusecorrectlythenewwordssuchassquare,meter,deep,desert,population,Asia.2.mastertheuseoflargenumbers.E.g.TheYangtzeRiverisabout6,300kilometerslongandtheYellowRiveris5,464kilometerslong.3.descrbleobjectsbyusingthefDoyouliketraveling?Let'stravelaroundtheworld.Doyouknowtheseplaces?Qomolangma[ˈtʃəuməuˌlɑ:ŋmə]珠穆朗玛峰Qomolangmaisthehighestmountainintheworld.

xxk[ˈmi:tə(r)]Itis8,844.43meters米high.

TheSaharaisthebiggestdesert沙漠intheworld.It’sabout9,600,000square

平方kilometersinsize.

TheSahara[sə'hɑ:rə]撒哈拉沙漠

[skweə(r)][ˈdezət]

It

isaboutkilometerslong.

TheNile尼罗河[naɪl]6,671TheNileisthelongestriverintheworld.TheCaspianSea[ˈkæspiən]里海

Itismetersdeep深的1,025[di:p]TheCaspianSeaisthedeepestlakeofallthesaltlakeintheworld.35

thirty-five

23twenty-three30,000

thirtythousand9,600,000

ninemillionsixhundredthousand=ninepointsixmillion

1,025

onethousandandtwenty-five

6,671sixthousandsixhundredandseventy-one8,844.43

eightthousandeighthundredandforty-fourpointfourthree

isthesmallestnumber.

isthelargestnumber.Playagame1aMatchthefactsyouknow.Qomolangma[ˈtʃəuməuˌlɑ:ŋmə]about9,600,000squarekilometersinsize在尺寸上TheSahara[sə'hɑ:rə]1,025metersdeepTheCaspianSea[ˈkæspiən]6,671kilometerslongTheNile[naɪl]8,844.43metershigh1bListenandcompletethesentences.1.Qomolangmais______thananyothermountainintheworld.2.TheSaharais____________desertintheworld.3.TheCaspianSeais____________ofallthesaltlakes.4.TheNileis_________riverintheworld.higherthebiggestthedeepestthelongestBeforelistening,readandtrytopredict(预测)A:Whichisthehighest/thelongest/thebiggest/thedeepestintheworld?B:It's..........A:Howhigh/long/big/deepisit?B:It's..........PracticeinpairsQomolangma8,844.43meters

TheSahara9,600,000squarekilometersinsizeTheCaspianSea

1,025metersTheNile6,671kilometers

China

theUSDoyouknowanythingaboutthetwocountries?________hasthebiggestpopulation人口intheworld.________isthebiggestcountryinAsia亚洲.________TheYangtzeRiver---thelongestriverinthiscountry.China

['eɪʃə][ˌpɒpjuˈleɪʃn]['jæŋts]2aListenandnumberthefacts(1-4)intheorderyouhearthem.

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

4213A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.It’smucholderthanmycountry.IntroduceChinaandtheUSRemember&repeatA:DidyouknowthatChinahasthebiggestpopulationintheworld?B:Yes,Idid.It’salotbiggerthanthepopulationoftheUS.A:DidyouknowthatYangtzeRiveristhelongestriverinAsia?B:Yes,Idid.It’s6,300kilometerslong.A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.It’smucholderthanmycountry.IntroduceChinaandtheUSA:DidyouknowthatChinahasthebiggestpopulationintheworld?B:Yes,Idid.It’salotbiggerthanthepopulationoftheUS.A:DidyouknowthatYangtzeRiveristhelongestriverinAsia?B:Yes,Idid.It’s6,300kilometerslong.最古老的国家之一比我的国家要古老的多。有最多的人口比（美国）人口多的多。长江是（亚洲）最长的有6300千米长。Remember&repeatSummary

Unit7What'sthehigestmountainintheworld?meter,deep,square,desert,population,Asia,QomolangmaSaharaWhat'sthehighestmountainintheworld?Qomolangmais8,844.43metershigh.Qomolangmaishigherthananyothermountainintheworld.9,600,0001,0256,6718,844.43Exercise一.Read

thenumbers1254,2145647,067124,5542,465,289二.

Choosethebestanswer.

1.Mybrotheris___moreoutgoingthanme.A.manyB.littleC.much2.Whichcityis______,Beijing,ShanghaiorFuzhou?A.beautifulB.morebeautifulC.themostbeautiful

三.句型转换1.Thisisa2,500-meter-longriver.(改为同义句)Thisriveris2,500

.2.TheUSisnotasl