Lesson+42++North+America 冀教版英語八年級下冊

Unit7KnowOurWorldLesson42NorthAmericaListenandwritedownthewords.ReviewDoyouwanttotravelaroundtheworld?IfyoutraveltotheeastfromChina,wherewillyouget?Let’stravelaroundtheworld!WarmingupHowmanymaincountriesarethereinNorthAmerica?amapofNorthAmericaThreemaincountries:Canada加拿大TheUnitedStates美國Mexico墨西哥LookandlearnKnowmoreaboutNorthAmerica:NorthAmericaArea:About24million

squarekilometres(24,000,000km2)Population:About550million(550,000,000)n.百萬n.平方，廣場，正方形TheGreatLakesarethelargestwaterbodiesoffreshwaterintheworld.TheRockyMountains

arethebiggestmountainsinNorthAmerica.落基山脈Itisthebiggestofthethreecountriesinarea.Butithasthesmallestpopulation—35million.MostspeakEnglishorFrench,butthethirdmostcommonlanguageisChinese!在面積方面第三常見的語言KnowmoreaboutCanada:ItspopulationismuchlargerthananyothercountryinNorthAmerica.morethan315millionMostpeoplespeakEnglishorSpanish;Chinesespeakers—morethan2millionKnowmoreaboutAmerica:ItissmallerthanbothCanadaandtheU.S.Ithasapopulationofmorethan110million.MostMexicansspeakSpanish.KnowmoreaboutMexico:Mexicocityn.墨西哥人n.西班牙語ThecapitalcityofMexicoisMexicoCity.Talkwithyourpartner:WhatdoyouknowaboutNorthAmerica?Whatdoyouknowaboutotherplacesaroundtheworld?Freetalk1.Whichcountryhasalargepopulation,CanadaorMexico?2.What’sthethirdmostcommonlanguageinCanda?3.WhichcountryhasthelargestpopulationinNorthAmerica?1Listenandanswerthequestions.Mexico.China.TheU.S.

Statements

PeoplemainlyspeakSpanish.It’sthethirdlargestcountryinareainNorthAmerica.Over2millionpeoplespeakChinesethere.It'sthefarthestnorthinNorthAmerica.It'sthelargestcountryinpopulationinNorthAmerica.

CountriesMexico2Matchthestatementswiththecountriesaccordingtothelesson.CanadaAmericaReadthelessonagainandcompletethetable.NorthAmericasizethenumberofcountriesthelargestlakethebiggestmountainsthebiggestcountrylanguagesspoken24millionsquarekilometres3maincountries

TheGreatLakes

TheRockyMountainsCanadaEnglish,French,Chinese,SpanishLiMingwroteareportaboutNorthAmerica.NorthAmericaisalargecontinent,butithasonlythreemaincountries.Canadaisthefarthestnorth.TothesouthofCanadaistheUnitedStates.TheU.S.isnorthofMexico.Together,thesethreecountriescoverabout24millionsquarekilometres.

About550millionpeopleliveinNorthAmerica.Thatisalargepopulation，butsmallerthanthatofChina.TheGreatLakesarethelargestbodiesoffreshwaterintheworld.TheRockyMountainsarethebiggestmountainsinNorthAmerica.

Canadaisthebiggestofthethreecountriesinarea,butithasthesmallestpopulation—about35million.PeoplespeakmanylanguagesinCanada.MostspeakEnglishorFrench,butthethirdmostcommonlanguageisChinese!

Text

TheU.S.isalsoaverylargecountry,anditspopulationismuchlargerthananyothercountryinNorthAmerica.Ithasapopulationofmorethan315million.TheU.S.isoftencalledAmerica.PeopleintheU.S.arecalledAmericans.MostAmericansspeakEnglish,andmanyspeakSpanish.Ofcourse,therearealotofChinesespeakersintheU.S.,

too—morethan2million!MexicoissmallerthanbothCanadaandtheU.S.MostofthepeopletherespeakSpanish.Ithasapopulationofmorethan110million.Mexicanpeoplelovetheircountry,butmanyleavetoliveandworkintheU.S.ThecapitalcityofMexicoisMexicoCity.Itisaverybigcity.ThisisamapofNorthAmerica.1.TothesouthofCanadaistheUnitedStates.加拿大的南面是美國。此句是倒裝句，其主語是theUnitedStates,tothesouthofCanada作系動詞is的表語，即：TheUnitedStatesistothesouthofCanada.其中tothesouthof意為“在……的南方”。Languagepoints

【拓展】

in,on,to均可表示地理位置：

(1)in強調(diào)范圍之內(nèi)的包含關(guān)系。

HebeiProvinceisintheeastofChina.河北省在中國的東部。(2)on強調(diào)接壤的相鄰關(guān)系。

HebeiProvinceisonthenorthofShandongProvince.

河北省在山東省的北面。(3)to強調(diào)范圍之外的關(guān)系,不包含也不相鄰。

ChinaistothewestofJapan.中國在日本的西面。2.Thatisalargepopulation,butsmallerthanthatofChina.

（北美）有很多人口，但還是比中國的人口少。

that代替前面提到的“population”，用于比較，避免重復(fù)。如：TheweatherhereiscolderthanthatinBeijing.

這里的天氣比北京的冷。Thetableinthisroomisbiggerthanthatinthatroom.

這個房間的桌子比那個房間的大。3.Canadaisthebiggestofthethreecountriesinarea.加拿大在面積上是三個國家當中最大的。(1)

inarea意為“在面積方面”，介詞in表示“在……方面”。類似的用法有：insize意為“在大小方面”；inshape意為“在形狀方面”。Ourtownisfivesquarekilometresinarea.

我們城鎮(zhèn)在面積上是五平方千米。(2)area意為“面積；地域”，常用theareaof表示“……的面積”，intheareaof…意為“在……領(lǐng)域”。What’stheareaofyourhouse?你的房子面積是多大？4.…butthethirdmostcommonlanguageisChinese！但是第三大常用語言是漢語！注意這個結(jié)構(gòu)：“the+序數(shù)詞+最高級+單數(shù)名詞”，如：TheYellowRiveristhesecondlongestriverinChina.黃河是中國第二長河?！颈容^】thetwolargestislandsofChina意為“中國最大的兩個島嶼”；thesecondlargestislandofChina意為“中國的第二大島嶼”。

5.ThepopulationintheU.S.ismuchlargerthananyothercountryinNorthAmerica.

美國的人口比北美任何別的國家都多得多?！氨容^級+thananyother+單數(shù)名詞”意為“比其他的任何一個……”=the+最高級+單數(shù)名詞e.g.TheNileislongerthananyotherriverintheworld.

尼羅河比世界上其他河流都長。=TheNileisthelongestriverintheworld.

尼羅河是世界上最長的河流。

比較級+thananyother+可數(shù)名詞單數(shù)(在同一個比較范圍內(nèi)）意思是“……比其他任何一個……”。比較級+thanany+可數(shù)名詞單數(shù)(不在同一個范圍內(nèi)）意思是“……比任何一個……”。ShanghaiislargerthananycityinIndia.

上海比印度的任何城市都大?！咀⒁狻?Completethepassagewiththecorrectformsofthewordsinthebox.largelive square SpainspeakcommonTherearethreemajorcountriesinNorthAmerica.Theycoverabout24million______kilometres.BothinAmericaandCanada,Englishisthe______________language,whileinMexico,peoplespeakmostly_______.IntheU.S.,over2millionpeople______Chinese.ThepopulationofAmericaismuch________thanthatofCanada.SomeMexicanpeopleleavetheircountryto_____andworkinAmerica.squaremostcommonSpanishspeaklargerliveREPORTABOUTCONTINENTSWhichcontinentoftheworldinterestsyou?Writeareportaboutit.Don’tforgetthefollowingthings:?Namethecontinent’smaincities.Whatcountriesarethesecitiesin??Nameitsmainbodiesofwater.?Describethecontinent'spopulation.?Describeotherimportantfactsaboutthecontinent.Doesithaveanyfamousmountains?Doesithaveanybiglakesordeserts?Project用所給詞的適當形式填空1.TheU.S