2023学年完整公开课版八下7SectionA2a2d

Unit7SectionAPeriod1(2a-2d)What’sthehighestmountainintheworld?Unit7What’sthehighestmountainintheworld?Unit7What’sthehighestmountainintheworld?What’sthehighestmountainintheworld?Unit7What’sthehighestmountainintheworld?Unit7What’sthehighestmountainintheworld?Unit7ObjectivesReviewtheadjectivesAdverbscomparativeandsuperlativeusage

复习形容词、副词比较级及最高级的用法。TolearntheGreatWallTolearnnewwordsThetopoftheworld世界之最QomolangmaWhat'sthehighestmountainintheworld?[ˈtʃəuməuˌlɑ:ŋmə]珠穆朗玛HowhighisQomolangma?Itis8,844.43metershigh.theSaharaWhat'sthebiggest

desert沙漠intheworld?[sə'hɑ:rə]撒哈拉HowbigistheSahara?Itisabout9,600,000squarekilometers

insize.theCaspianSeaWhat'sthedeepestsaltlakeintheworld?[ˈkæspiən]里海HowdeepistheCaspianSea?Itis1,025metersdeep.theNileWhat'sthelongestriverintheworld?尼罗河[nail]HowlongistheNile?Itis6,671kilometerslong.theAmazonRiver

['æməzən]亚马孙河TheAmazonRiveristhe_______________riverintheworld.(long)secondlongestthePacificOcean[pəˈsɪfɪk][ˈoʃən]太平洋ThePacificOceanisthe_________oceanintheworld.(big)biggesttheoldestintheworld?WhichcountryisChinaisoneoftheoldestcountriesintheworld.EgyptIndiaBabylonThetopofChina中国之最Whichcountryhasthebiggestpopulationintheworld?ThepopulationofChinaisabout1.4billion(十亿).最多的人口WhatisthepopulationofChina?WhatisthelongestriverinChina?TheYangtzeRiver

长江ItisalsothelongestriverinAsia.WhatisthesecondlongestriverinChina?TheYellowRiver

黄河

Listenandnumberthefacts(1-4)intheorderyouhearthem.

6,3005,0005,464300___TheYangtzeRiverisabout____kilometerslongandtheYellowRiveris___kilometerslong.___Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.___Chinaisover___yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven___yearsold.___ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.

2a6,3005,0005,464300sixthousandandthreehundredfivethousandfourhundred

andsixty-fourfivethoudsandthreehundred1432__TheYangtzeRiverisabout_____kilometerslongandtheYellowRiveris_____kilometerslong.__Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.__Chinaisover_____yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven____yearsold.__ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.6,3005,4645,0003006,3005,000

5,464

3001432Listenagainandfillintheblanksin2awithnumbersinthebox.2bWhatisthelongest

wallinChina?TheGreatWall长城n.墙Itisman-made人造的.Readandanswer.2d1.HowlongisthepartfromtheMingDynasty?明朝

It’sabout8,

850kilometerslong.2.Whydidtheancientemperors古代皇帝

buildthewall?Themainreasonwastoprotecttheirpartofthecountry.

1.Therelationshipbetweenthespeakersisateacherandstudents.2.Thereareman-madeobjectsasbigas

theGreatWall.3.

ThemostfamouspartoftheGreatWallisBadalingpart.FFT2dReadagainandchooseT\F.aguideandtouristsno随便（做某事）feelfreetodosth长城游GreatWalltour明朝theMingDynasty那真令人惊叹That'samazing!古代皇帝ancientemperors主要原因themainreason正如你看到的asyoucansee又高又宽tallandwide据我所知asfarasIknow人造物体man-madeobjects

FindoutthesephrasesGuide导游:

Feelfreetoaskmeanythingontoday’sGreatWalltour.Tourist1游客：Howlongisthewall?Guide：Ah,themostpopularquestion!Ifwe’reonlytalkingaboutthepartsfromtheMingDynasty,it’sabout8,850kilometerslong.Thismakesitthelongest

wallintheworld.2d.Role-playtheconversation.Tourist2:Wow,that’samazing!Whydidthe

ancientemperorsbuildthewall?Guide:Themainreasonwastoprotecttheirpartofthecountry.Asyoucansee，

it’squitetallandwide.AsfarasIknow,therearenoman-madeobjectsasbigasthis.Tourist3:IsBadalingpartoftheMingGreatWall?Guide:Yes,it’sthemostfamouspart.HewhodoesnotreachtheGreatWallisnotatrueman.3.Nooceanintheworldisas_____asthePacificOcean太平洋.4.AlthoughJapanis_______than Canada,itis_______smaller.bigmuchpopularlongoldhigh1.TheAmazonRiver