冀教版八年级下册英语Unit 7 Know Our World Lesson 42 North America教案

Lesson42:NorthAmerica1教学目标TeachingaimsKnowledge: TolearnsomewordsandphrasesSuchas:square，million,square,RockyMountains,Spanish,Mexican.Ability: TotalkaboutthethreecountriesinNorthAmerica.Emotion:Encouragestudentstoknowmoreaboutothercountries.2重点难点Importantpoints:Vocabulary:square，million,square,RockyMountains,Spanish,Mexican.Phrases:millionof,squarekilometer,thethirdmostcommonlanguage,inarea,morethan.Difficultpoints:TotalkaboutthethreecountriesinNorthAmerica.3教学过程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.这是一个庞大的人口，但是人口比中国要少些。①表示人口多与少，常用large或small来修饰。②句中的“that”用来替代上文中提到的population,在比较级或含有比较意味的句子中，常用that来替代上文提到的名词。比较级中用that代指比较对象（单数）。2.Canadaisthebiggestofthethreecountriesinarea.加拿大是三个国家中面积最大的。1)area表示面积，通常为可数名词，某些表达中也作不可数名词（常用单位：square平方）2)在面积方面、在面积上用介词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”。Russianisthelargestcountry________intheworld.3.MostAmericansspeakEnglishorFrench，butthethirdmostcommonlanguageisChinese.“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”。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.参考词汇：Asia,population，squarekilometers,speakChinese…BlackboardDesignLesson42：NorthAmericaCanadaU.S.MexicoAreathebiggest