million/?m?lj?n/n.百萬square

/skwe?/n.平方；廣場；正方形Rocky/?r?k?/Mountains落基山脈Spanish/?sp?n??/adj.西班牙（人）的n.西班牙語Mexican/?meks?k?n/n.墨西哥人；墨西哥語adj.墨西哥（人）的

wordsItisthebiggestcontinent.IthasthehighestpointontheearthintheHimalayas.Asia

Itisthesecondlargestcontinent.Manyelephants,giraffes,zebrasandlionslivethere.AfricaAmapofNorthAmericaTheGreatlakesarethelargestbodiesoffreshwaterintheworld.theGreatLakestheRockyMountainsTheRockyMountainsarethebiggestmountainsinNorthAmerica.Unit7KnowourworldLesson42NorthAmericaPART01ListeningListeningListenandanswerthequestions.Whichcountryhasalargepopulation,CanadaorMexico?2.What’sthethirdmostcommonlanguageinCanada?3.WhichcountryhasthelargestpopulationinNorthAmerica?4.WheredomanyMexicanpeopleliveandwork?Mexico.Chinese.TheU.S.TheU.S.1.ButthethirdmostcommonlanguageisChinese!“the+序數(shù)詞+最高級+單數(shù)名詞+范圍”，表示“……是……的第幾……”，注意形容詞最高級前加基數(shù)詞和序數(shù)詞時意義不同。E.g.:ThetwolargestislandsofChina意為“中國最大的兩個島嶼”；thesecondlargestislandofChina意為“中國的第二大島嶼”。PART02ReadingReading-fastreadingReadthelessonandmatch.StatementsPeopletheremainlyspeakSpanish.It’sthethirdlargestcountryinareainNorthAmerica.Over2millionpeoplespeakChinesethere.It’sthefarthestnorthinNorthAmerica.It’sthelargestcountryinpopulationinNorthAmerica.CountriesCanadaAmericaMexico2.TothesouthofCanadaistheUnitedStates.tothesouthof意為“在…的南面”，指在某個范圍之外的南面。E.g.:TianjinistothesouthofBeijing.inthesouthof意為“在…的南面”，指在某個范圍之內(nèi)的南面。E.g.:GuangzhouisinthesouthofChina.onthesouthof意為“在…的南面”，指與某個地區(qū)接壤，緊挨著某個地方。E.g.:AustraliaisonthesouthofPacific.…anditspopulationismuchlargerthananyothercountryin…largerthananyothercountry是“adj.比較級+thananyother+可n.單”結(jié)構(gòu)，意為“比其他的任何…都…”也就是最高級E.g.:LiLeiistallerthananyotherboyinhisclass.

李雷比他班上的任何一個男孩都高。

（=LiLeiisthetallestboyinhisclass.）ShanghaiisbiggerthananycityinJapan.（=Shanghaiis

cityinJapan）thebiggestPART03ExerciseExerciseTherearethreemajorcountriesinNorthAmerica.Theycoverabout24million________kilometres.BothinAmericaandCanada,Englishisthe___________language,whileinMexico,peoplespeakmostly_______.IntheU.S.,over2millionpeople______Chinese.ThepopulationofAmericaismuch________thanthatofCanada.SomeMexicanpeopleleavetheircountryto_____andworkinAmerica.largelivesquareSpainspeakcommonsquaremostcommonSpanishspeaklargerliveSummaryWords:million;square;Rocky;Spanish;MexicanPhrases:

squarekilometer;theGreatLake;capitalcitySentences:TothesouthofCanadaistheUnitedStates.ButthethirdmostcommonlanguageisChinese!Itspopulationismuchlargertha