Unit7KnowOurWorldLesson42:NorthAmerica预习检测用方框中所给词的适当形式填空。smalllanguagecommonspeak1.Canadahasthe______populationofthethreecountries.2.InCandapeoplespeakdifferent___________.3.I’mthe______________girlofourfamily.4.Theboycan_________Spanish.smallestlanguagesmostcommonspeakThinkAboutItWhatdoyouknowaboutNorthAmerica?Whatdoyouknowaboutotherplacesaroundtheworld?NorthAmerica1.Whichcountryhasalargepopulation,CanadaorMexico?2.What’sthethirdmostcommonlanguageinCanda?3.WhichcountryhasthelargestpopulationinNorthAmerica?Listenandanswerthequestions.Mexico.China.TheU.S.Matchthestatementswiththecountriesaccordingtothelesson.StatementsPeopletheremainlyspeakSpanish.It’sthethirdlargestcountryinareainNorthAmerica.Over2millionpeoplespeakChinesethere.It’sthefarthestnorthinNorthAmerica.It’sthelargestcountryinpopulationinNorthAmerica.CountriesCandaAmericaMexicoCompletethepassagewiththecorrectformsofthewordsinthebox.largelivesquareSpainspeakcommonTherearethreemajorcountriesinNorthAmerica.Theycoverabout24million______kilometres.BothinAmericaandCanda,Englishisthe______________language,whileinMexio,peoplespeakmostly_______.IntheU.S.,over2millionpeople______Chinese.ThepopulationofAmericaismuch________thanthatofCanada.SomeMexicanpeopleleavetheircountryto_____andworkinAmerica.squaremostcommonSpanishspeaklargerlive1.Canadaisthebiggestofthethreecountriesinarea.inarea意为“在面积方面”，介词in表示“在……方面”。类似的用法有：insize意为“在大小方面”；inshape意为“在形状方面”E.g.Ourtownisfivesquarekilometresinarea.我们城镇在面积上是五平方千米。Languagepoints其次，area意为“面积；地域”，常用theareaof表示“……的面积”，intheareaof…意为“在……领域”。E.g.What’stheareaofyourhouse?你的房子面积是多大？2.…thethirdmostcommonlanguageisChinese.“the+序数词+最高级+单数名词+范围”，表示“……是……的第几……”，注意形容词最高级前加基数词和序数词时意义不同。如：thetwolargestislandsofChina意为“中国最大的两个岛屿”；thesecondlargestislandofChina意为“中国的第二大岛屿”。I.根据句意...
