Unit7SectionA1a 1c导学案 人教版七年级英语下册

八年级英语下册Unit7导学案课型：新课设计：审核：审批：班级：八年级姓名： 使用时间：月日星期Unit7What’sthehighestmountainintheworld?SectionA(1a~1c)第一课时学习目标：技能：学生能够掌握较大数字的表达；能够熟练运用形容词和副词的比较级、最高级。通过比较，了解中国及世界的地理知识。情感态度：通过对世界的一些“自然地理之最”的了解，更加热爱大自然。学习策略：通过文字和图片预测听力的具体内容。自学指导自学检测及课堂展示=1\*ROMANI.LeadinWatchavideoaboutthescene.=2\*ROMANII.自学P411a/1b1.珠穆朗玛峰 _____________2.里海 ___________3.撒哈拉沙漠____________4尼罗河___________5.1,025metersdeep6.6,671kilometerslong7.8,844.43metershigh8.9,600,000squarekilometersinsizeFreetalkWhichisthelargestoceanintheworld?It’s_____________.Whichisthehighestmountainintheworld?It’s_____________.Howhighisit?It’s___________________high.Whichisthelongestriverintheworld?It’s_____________.Howlongisit?It’s_______________long.Whichisthebiggestsaltlakeintheworld?It’s_____________________.Howdeepisit?It’s_________________deep.数字的读法8,844.43读作：eightthousand,eighthundredandforty-four,pointfourthree1,025读作：onethousandandtwenty-five6,671读作：sixthousand,sixhundredandseventy-one9,600,000读作：ninemillion,sixhundredthousand总结数字的读法：1.千位及千位以上数字的表达：以____________为一个单位，每三位数用“，”隔开。2.逗号读法:朗读时，将每三位数看做一个单位，依次为billion十亿，million百万，thousand千。每个单位按照百、十、个位向下读，其中百位到十位之间要加入and。小数点读____________。长、宽、高、深、面积的表达方法基数词+单位词+形容词（long,wide,high,deep,insize等）基数词+单位词+in+名词（length,width,height,depth,size等）MountainRiverSea/lakeAreaFeatureMostLeastWhilelistening1.Qomolangmais_______thananyothermountainintheworld.2.TheSaharais____________desertintheworld.3.TheCaspianSeais____________ofallthesaltlakes.4.TheNileis___________riverintheworld.比较级表达最高级比较级+thananyother+可数名词单数该结构意为“比其他任何一个……都……”，指同一范围内比较，表示最高级含义。Sheisthinnerthananyotherstudentinherclass.=Sheisthethinnestinherclass.如果比较对象不在同一范围内或不属于同一类别，应用“形容词/副词比较级+thanany（任何的）+可数名词单数”。ThePacificOceanislargerthananylakeintheworld.Hulunbuirisbiggerthan_____________cityinChina.Hulunbuirisbiggerthan_____________cityinAnhui.Post-listeningPracticeinpairs:A:Whatisthe...intheworld?B:...A:How...isit?B:Itis...high/deep/insize...Exercises1.Qomolangmaisthe_________________(high)mountainintheworld.2.TheSaharaisthe_________________(big)desertintheworld?3.TheNileis6,671kilometers_____.4.TheSaharaisabout9,600,000_________________(平方公里)insize.5.-Whichisthedeepestsaltlakeintheworld?--It's_________________.ExercisesChoosethebestanswer.1.Mybrotheris___moreoutgoingthanme.A.manyB.littleC.much2.October12thwasoneof______daysin2005.Shenzhou-VIwaslaunched(发射)successfully.A.excitingB.moreexcitingC.themostexciting3.Whichcityis______,Beijing,ShanghaiorFuzhou?A.beautifulB.morebeautifulC.themostbeautiful4._____childrenthereareinafamily,____theirlifewillbe.A.Theless,thebetterB.Fewer,richerC.Thefewer,thebetter5.Mobilephonesareverypopularnowandtheyare______thanbefore.