冀教版八年級下冊英語Unit 7 Know Our World Lesson 42 North America教案

Lesson42:NorthAmerica1教學目標TeachingaimsKnowledge: TolearnsomewordsandphrasesSuchas:square，million,square,RockyMountains,Spanish,Mexican.Ability: TotalkaboutthethreecountriesinNorthAmerica.Emotion:Encouragestudentstoknowmoreaboutothercountries.2重點難點Importantpoints:Vocabulary:square，million,square,RockyMountains,Spanish,Mexican.Phrases:millionof,squarekilometer,thethirdmostcommonlanguage,inarea,morethan.Difficultpoints:TotalkaboutthethreecountriesinNorthAmerica.3教學過程ProcedureTeacher’sactivityStudent’sactivityStep1:LeadinTeacher:Whatisit?(Theteacherpointsthemap)Students:Amapoftheworld.Teacher:Yes.Itisamapoftheworld.Theworldislarge.Therearesevencontinents.whatarethey?Students:NorthAmerica,Europe,Asia,Australia,SouthAmerica,AfricaandAntarctica.Teacher:NorthAmericaisoneofthesevencontinents,anditislarge.WhatdoyouknowaboutNorthAmerica?Howlargeisit?Aboutitspopulation?Arethereanylakes?Whataboutmountains?let’sstudylesson42.Pleasereadparagraph1,2andyouwillfindanswers.Step3:ReadingReadparagraph1andparagraph2ofthetextanswerthefollowquestions:Q1:Howlargeisit?Aboutitspopulation?Q2:Arethereanylakes?Whataboutmountains?Step4:Listening.1.Listenandread,studynewwords.2.ListenandAnswerQ1:Whichcountryhasalargerpopulation,CanadaorMexico?Q2:What’sthethirdmostcommonlanguageinCanada?Q3:WhichcountryhasthelargestpopulationinNorthAmerica?Step5:Readingandthinking.Readthelessonandfindoutarea,thepopulationandlanguageofthemaincountriesinNorthAmerica.Readthelessonanddiscussthequestions,thenfillintheblanks.NorthAmericaareathenumbersofmaincountriesthebiggestcountrylanguagesthelargestlakethebiggestmountainsStep6:Studylanguagepoints1.Thatisalargepopulation,butsmallerthanthatofChina.這是一個龐大的人口，但是人口比中國要少些。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。比較級中用that代指比較對象（單數(shù)）。2.Canadaisthebiggestofthethreecountriesinarea.加拿大是三個國家中面積最大的。1)area表示面積，通常為可數(shù)名詞，某些表達中也作不可數(shù)名詞（常用單位：square平方）2)在面積方面、在面積上用介詞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”。Russianisthelargestcountry________intheworld.3.MostAmericansspeakEnglishorFrench，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。如：thetwolargestislandsofChina意為“中國最大的兩個島嶼”；thesecondlargestislandofChina意為“中國的第二大島嶼”。Step6:TestSinglechoice1.Nanjingi:sn’tsolarge_____Shanghai.However,it’sthesecond______cityinEastChina.A.Like;largestB.as;largestC.Like;largeC.aslarge2.Thenumberofthestudentsinourschoolis___than____.A.muchlarger;thatofNo.8middleschool.B.morelarger;thatofNo.8middleschool.C.muchlarge;No.8middleschool.D.morelarge;No.8middleschool.3.ThepopulationofChinaisvery___.A.manyB.muchC.largeD.SmallHomework:WriteashortpassageaboutChina.參考詞匯：Asia,population，squarekilometers,speakChinese…BlackboardDesignLesson42：NorthAmericaCanadaU.S.MexicoAreathebiggest