版八年级英语下册 Unit 7 What s the highest mountain in the world Section B (1a-1d)课件 (新版)人教新目标版 课件VIP免费

Unit7What’sthehighestmountainintheworld?SectionB(1a-1d)Ⅰ.短语互译1.多于___________2.出生时___________3.活到……___________4.standontwolegs___________5.anadultpanda___________答案:1.morethan2.atbirth3.liveupto...4.两腿站立5.一只成年大熊猫Ⅱ.句型展示1.大象高350厘米,重5000千克,每天吃150千克的食物。Anelephantis350cm________,________5,000kilosand________150kilosoffoodaday.2.这头大象比这只大熊猫重很多倍。Thiselephantweighs________________________thanthispanda.答案:1.tall;weighs;eats2.manytimesmore3.刚出生时的大熊猫大约0.1到0.2千克。_________________,ababypandaisabout0.1to0.2kilos.4.大熊猫能活到20到30岁。Apandacan________________________20to30years.答案:3.Atbirth4.liveupto1.Thiselephantweighsmanytimesmorethanthispanda.这头大象比这只大熊猫重很多倍。【自主领悟】(1)weigh是动词,“意为有……重,重……”。weighmanytimesmorethan...“意为比……重”很多倍,time在此表示倍数。(2)表示两倍用twice,三倍(及以上)“用基数词+times”。若“要表述比……”倍还要多可在倍数前加over,morethan。【归纳拓展】倍数的三种常用表达法(1)A+be+倍数+as+形容词/副词原级+as+B。例如:AisfourtimesasstrongasB.A比B强壮3倍。(2)A+be+倍数+形容词/副词比较级+than+B。例如:AismorethantentimesbiggerthanB.A比B大10倍还多。(3)A+be+倍数+计量名词+of+B。例如:AsiaisfourtimesthesizeoftheEurope.亚洲是欧洲的四倍大。【活学活用】①你的房间是我的两倍大。Yourroomis_______________________________mine.②猎豹跑得比人快6倍还不止。Acheetahrunsmorethan_______________________________________aman.=Acheetahrunsover_______________________________aman.答案:twiceaslarge/bigas①②sixtimesasfastas;sixtimesfasterthan2.Atbirth,ababypandaisabout0.1to0.2kilos.刚出生时的大熊猫大约0.1到0.2千克。【自主领悟】birth是名词,“意为出生,”发育,常用短语为:atbirth“”意为出生时,givebirthto“意为生;引起,产”生,dateofbirth“”意为出生日期。【活学活用】①小袋鼠出生时在它妈妈的育儿袋里。______________,ababykangarooisinitsmother’spouch.②著名的女演员姚晨生了一个健康的男孩。YaoChen,afamousactress_____________________ahealthyboy.答案:Atbirth①②gavebirthto单项选择。1.TheOrientalPearlTower(东方明珠塔)isthantheEiffelTower(埃菲尔铁塔).A.144metershigherB.144metershighC.144-meterhigherD.144-meter-higher2.Anadultpandaeatsmanytimesababypanda.A.moreB.lessC.morethanD.lessthan3.Agiraffecanliveup30years.A.toB.inC.atD.for4.Thelighttravelsthesound.A.8.8×105timeasfastasB.8.8×105timesasfasterasC.8.8×105timeasfasterasD.8.8×105timesasfastas5.Thetigerweighsmorethanthecat.A.muchB.littleC.muchtimeD.manytime