八年级英语下册第七单元第4课时

八年级英语(下)第7单元第4课时Unit7What’sthehighestmountainintheworld?SectionB1a—1d一、【教材分析】教学目标[来源:Z,xx,k.Com]知识目标[来源:Zxxk.Com]1.学习并掌握下列单词：cm(centimeter),weigh,birth,adult2.能正确使用以下常用表达：atbirth,liveupto,weighs5,000kilos,standingontwolegs,weighsmanytimesmorethan,ababypanda,anadultpanda,[来源:学#科#网Z#X#X#K]3.能熟练掌握并使用下列重点句式：1）Ababypandacannotsee?2）Atbirth,ababypandaisabout20cmlong.3)Anadultpandaweighsmanytimesmorethanababypanda.[来源:Zxxk.Com]能力目标能够掌握课文中出现的重点句子，学会表达事物之间的倍数关系。情感目标培养学生热爱大自然，保护环境的意识。教学重点Talkaboutgeographyandnature.教学难点正确使用本课时常用表达；听力训练。教学方法情景教学法；任务型教学法。二、【教学流程】环节师生活动I.Preparation准备1．检查单词预习情况：教师结合学生读的状况，适当领读，并帮助学生正音。cm(centimeter),weigh(weight),birth(born,birthday),(an)adult2．复习检查通过检查“学案”中“新知预习”内容，检查预习效果。英汉互译:1.350米高2.重5公斤3.ababypanda4.anadultpanda5.活到100岁6.eatmuchmore7.在出生时8.两腿站立II.Presentation呈现1.Learningtasks“示标定向”学习并掌握下列单词：cm(centimeter),weigh,birth,adult能正确使用以下常用表达：atbirth,liveupto,weighs5,000kilos,standingontwolegs,weighsmanytimesmorethan,ababypanda,anadultpanda,能熟练掌握并使用下列重点句式：1）Ababypandacannotsee?2）Atbirth,ababypandaisabout20cmlong.3)Anadultpandaweighsmanytimesmorethanababypanda.2.Leading-in“导入新课”1a1.应用所给信息，比较图中两种动物。如：Thiselephantweighsmanytimesmorethanthispanda.(200cmtaller/shorter,weighmuchmore/less,eatmuchmore/less,eatmanytimesmore)2.小组讨论：Comparethepandaandtheelephant.3.Makemoresentencesusingtheinformationin1a.如：Theelephantis350cmtall,andthepandais150cmtall.Theelephanteats150kilosoffoodaday,andthepandaeats10kilosoffoodaday.III.Practice操练1.1bListenandcheck(√)thenumbersyouhear.领读数字读法：120onehundredandtwenty,zeropointone核对答案：100,20,0.1,0.2,1502.1cListenagainandcompletethesentences.核对答案：1.0.1to0.2kilos2.15cmlong3.pink,noteeth4.20to30years3.应用听力材料，小组准备，然后班内讨论熊猫,最后由各组成员展示:A:Ababypandacannotsee.B:Anadultpandaweighsmanytimesmorethanababypanda.4.Languagepoints:1)Atbirth,ababypandaisabout…birthv.出生atbirth出生时如：Man’snatureatbirthisgood.人之初，性本善。givebirthto…生（孩子）；产生如：Myauntgavebirthtoabeautifulbabygirlyesterday.昨天我婶婶生下一个漂亮的小女孩。2)Apandacanliveupto20to30years.upto到达（数量，程度等）；不多于,如：InsomeareaofAfrica,childrengeteducatedupto12yearsold.在非洲的一些地区，孩子最多受教育到12岁。3）Anadultpandaweighsmanytimesmorethanababypanda.一只成年熊猫比一只熊猫宝宝重很多倍。weigh意为重、有…重、给…称重，其名词形式为weight,有短语inweight。Theboxweighs33kg.=Theboxis33kginweight.这个箱子33千克重。manytimesmorethan用以表示倍数，类似短语还有：many/some/twicemorethan,many/some/twicelessthan如：Ihavetwicemorebooksthanmysister.我的书比我姐姐的多两倍。IV.Consolidation巩固应用所给信息造句，讨论下列动物的生活习性：Herearesomefactsabouttigerandrabbit,usethefollowinginformationtomakesentences.Tiger:—is150cmtall—weighs300kilos—eatsmeat—sleeps15hoursaday.Rabbit:—is15cmtall—weighs2kilos—eatsleaves—sleeps5hoursaday.如：Ithinkthetigerisheavierthantherabbit.Thetigerweighs300kilos,buttherabbitweighsonly2kilos.V.Examination检测1.引导学生小结梳理知识框架、规律、方法，并对合作小组当堂学习情况进行总结评价，巩固学生所获得的语言知识和经验，让学生在评价中反思，在反思中进步。Askoneofthestudentstosaywhattheyhavelearnt.1)words&phrasescm(centimeter),weigh,birth,adultatbirth,liveupto,weighs5,000kilos,standingontwolegs,weighsmanytimesmorethan,ababypanda,anadultpanda,2)数量单位表达法，倍数表达法。2.当堂检测(见学案)：教师要随堂进行评价，批改可以由学习小组内互批、组间互批、集体订正等方法，批阅后教师要统计达标情况,收集反馈信息，当堂矫正补救。VI.Assignment作业1.口头作业：利用早读，朗读或背诵录音材料，体会过去进行时的含义和用法。2.书面作业：1）记忆所学单词、短语或重点句型。2）Finishofftheexercisesintongbuxuexi.3.Previewthenewwordsof2a-2e.三、【板书设计】Unit7What’sthehighestmountainintheworld?SectionB1a—1d1）Ababypandacannotsee?2）Atbirth,ababypandaisabout20cmlong.3)Anadultpandaweighsmanytimesmorethanababypanda.四、【教后反思】能够掌握课文中出现的重点句子，学会表达事物之间的倍数关系。