Unit7Lesson42NorthAmericaThinkaboutit!?WhatdoyouknowaboutNorthAmerica??Whatdoyouknowaboutotherplaces

aroundtheworld?Warm-upWords&expressionsPresentationmillionn.百萬squaren.

平方；廣場；正方形Spanishadj.西班牙（人）的

n.

西班牙語Mexicann.

墨西哥人；墨西哥語

adj.

墨西哥（人）的PresentationListenandreadthepassage.LiMingwroteareportaboutNorthAmerica.NorthAmericaisalargecontinent,butithasonlythreemaincountries.Canadaisthefarthestnorth.TothesouthofCanadaistheUnitedStates.TheU.S.

isnorthofMexico.Together,thesethreecountriescoverabout24millionsquarekilometres.About550millionpeopleliveinNorthAmerica.Thatisalargepopulation,butsmallerthanthatofChina.TheGreatLakesarethelargestbodiesoffreshwaterintheworld.TheRockyMountainsarethebiggestmountainsinNorthAmerica.PresentationCanadaisthebiggestofthethreecountriesinarea,butithasthesmallestpopulation—about35million.PeoplespeakmanylanguagesinCanada.MostspeakEnglishorFrench,butthethirdmostcommonlanguageisChinese!TheU.S.isalsoaverylargecountry,anditspopulationismuchlargerthananyothercountryinNorthAmerica.Ithasapopulationofmorethan315million.TheU.S.isoftencalledAmerica.PeopleintheU.S.arecalledAmericans.MostAmericansspeakEnglish,andmanyspeakSpanish.Ofcourse,therearealotofChinesespeakersintheU.S.,too—morethan2million!PresentationMexicoissmallerthanbothCanadaandtheU.S.MostofthepeopletherespeakSpanish.Ithasapopulationofmorethan110million.Mexicanpeoplelovetheircountry,butmanyleavetoliveandworkintheU.S.ThecapitalcityofMexicoisMexicoCity.

Itisaverybigcity.PresentationListenandanswerthequestions.1.Whichcountryhasalargerpopulation,CanadaorMexico?2.What’sthethirdmostcommonlanguageinCanada?3.WhichcountryhasthelargestpopulationinNorthAmerica?Mexico.Chinese.TheU.S.Languagepoints1.TothesouthofCanadaistheUnitedStates.tothesouth/northof…意思是“在……（范圍之外的）南部/北部”。e.g.HebeiprovinceistothenorthofHainan.inthesouth/northof…意思是“在……（范圍之內的）南部/北部”。e.g.HangzhongisinthesouthofChina.onthesouth/northof…意思是“與……接壤或相鄰的南部/北部”。e.g.HenanprovinceisonthesouthofHebeiprovince.Languagepoints2.Thatisalargepopulation,butsmallerthanthatofChina.(1)表示人口多與少，常用large或small來修飾。(2)句中的“that”用來替代上文中提到的population,在比較級或含有比較意味的句子中，常用that來替代上文提到的名詞。TheweatherinShenyangiscolderthan