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1、Unit7What'sthehighestmountainintheworld?SectionA11a—2dDoyouknowtheseinterestplaces?QomolangmaQomolangmarunsalongtheborderbetweenChinaandNepal尼泊尔(亚洲国名).Itiscoveredwithsnowalltheyearround.It’s8，844.43high,thehighestintheworld.It’s26kilometerslong.TheNileisthelongestriverintheworld.It’sm
2、orethan6,600kilometerslong.Itrunsthrough9countries,it’soneofthelargestriverflowsthroughtheinternationalstatesintheworldandrunsintotheMediterraneanSea(地中海)intheend.TheNileTheCaspianSeaTheCaspianSeaisthedeepestofallthesaltlake.ItliesintheborderbetweenAsiaandEurope.It’sabout1,025metersde
3、ep.TheSaharaisthebiggestdesertintheworld.Itislocatedin(坐落于）thenorthernAfrica,climateconditions（气候条件）areverybad,isoneoftheearth’smostnotsuitableforbiological（生物的）survival（生存）.It’sabout9,600,000squarekmsinsize.TheSaharaTheYangtzeRiveristhethirdlongestriver(第三大长河）intheworld,thefirstAsian
4、rivers.It’s6211.31kilometerslong.TheYangtzeRiverBasin,east-westwidthof3219kilometers,about966kilometerswidenorth-south,passingthrough11provinces.ItrunsintotheEastSeainShanghaifinally.TheYangtzeRiverWhatisthehighestmountainintheworld?WhatisthelongestriverinAsia?...…Talkaboutthesepictur
5、esinpairs.theSahara1aMatchthefactsyouknow.Practiceinpairslikethis:A:Whatisthe…in…?B:…Practice…8,844metershigh.…8,844米高…metershigh(long,wide,…)……米高（长，宽……)。英语表示“有多长（宽，高……）”时，一般将数词和数量单位放在表示长宽高的形容词前作状语。用how+high（long,wide,…)提问。但表达多大用insize。用how+big提问。ExplainationA:HowhighisQomolangma?B:It
6、’s8,844metershigh.PracticeA:HowbigistheSahara?B:It’sabout8,000,000squarekilometersinsize.1bListenandcompletethesentences.1.Qomolangmais______thananyothermountainintheworld.2.TheSaharais____________desertintheworld.3.TheCaspianSeais____________ofallthesaltlakes.4.TheNileis_________rive
7、rintheworld.higherthebiggestthedeepestthelongest2aListenandnumberthefacts(1-4)intheorderyouhearthem.6,3005,0005,464300___TheYangtzeRiverisabout____kilometerslongandtheYellowRiveris___kilometerslong.___Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.___Chi
8、naiso
