八年级英语下册 Unit 7 Whats the highest mountain in the world（第4课时）Section B(1a-1d)课件 （新版）人教新目标版.ppt

Unit7Whatsthehighestmountainintheworld?,浙江地区,第四课时SectionB(1a1d),weigh的用法作及物动词，表示“称的重量”。eg：CaoCongthoughtofawaytoweightheelephant.曹冲想出了一个称大象的办法。作不及物动词，表示“量”，后接数字。eg：Sheweighs50kilos.她的体重是50千克。【拓展】weight名词，意为“体重；重量”。,倍数表达法用形容词表示甲是乙的几倍时，有以下三个句型：倍数形容词/副词比较级thaneg：Therehallisfourtimesbiggerthanmyclassroom.这个大厅比我们的教室大四倍。倍数as形容词/副词aseg：AsiaisfourtimesaslargeasEurope.亚洲的面积是欧洲的四倍。倍数thesize(height，length.)ofeg：Thehillisfourtimestheheightofthatsmallone.这座山的高度是那座小山的四倍。,用名词表示“量”的倍数时，有以下两个句型：倍数more名词thaneg：Therearefourtimesmorebooksinourlibrarythaninyours.我们图书馆的藏书(数量)是你们图书馆的四倍。倍数asmany/much名词其他aseg：Thereisthreetimesasmuchwaterinthiscupasinthatone.这个杯子里的水(量)是那个杯子里的三倍。重点短语归纳atbirth出生时liveupto活到,一、根据句意及首字母提示完成单词。1Thepandacanontwolegs.2At,_ababypandaisabout15cmlong.3Anelephantcaneat150offoodaday.4Anelephantmanytimesmorethanadog.5Anbearismuchstrongerthanababybear.,stand,birth,kilos,weighs,adult,二、单项选择。()6.Ifthereis_pollution，theairinourcitywillbe_dirtier.Aless；moreBmore；muchCless；lessDmore；more()7.Doyouknowwhethertheman_bythedoorisMr.Smith?Sure.Weveknowneachotherforalongtime.AstandBstandingCstoodDstands,B,B,()8.Wehavetwoearsandonemouthsothatwecanlisten_wespeak.AastwicemuchasBtwiceasmuchasCasmuchastwiceDasmuchtwiceas()9.Mygrandmaisahappyandhealthywomanandshelllive_100yearsold.AuptoBtoCupDbeing()10.Theworldspopulationisgrowing_andthereis_landandwaterforgrowingrice.Alarger；lessBlarger；fewerCmore；lessDmore；fewer,B,A,A,三、根据汉语意思完成下列句子。11为了实现我们的梦想，我们现在必须刻苦学习。Wemuststudyhardnowinorderto12尼克冒着生命危险把树上的风筝拿了下来。Nicktogetthekitefromthetree.13我们可以依靠自然界的力量来做成这件事。Wecandependonthetomakeit.14正如你所看到的，这条街总是很拥挤。,thestreetisalwayscrowded.15第一位成功的人将会赢得一次去泰国的免费旅行。Thefirstpersonwillwinaf