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牛津译林版八年级英语上册:Unit 2 School life 第四课时 ppt课件

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Unit2Schoollife第4课时,Themonkeyhasmorebananasthanthebeer,andtherabbithastheleastbanana.,一、比较事物的数量1.两者比较数量:more...than,less...than和fewer...than用来比较两者之间的数量关系。其中more...than之间加可数名词的复数形式或者不可数名词,less...than之间加不可数名词,fewer...than之间加可数名词的复数形式。,eg:TonyhasmorefriendsthanJim.托尼的朋友比吉姆的多。HeeatslessfoodthanIforbreakfast.他早饭比我吃得少。SimonhasfewerorangesthanNancy.西蒙的橙子比南希的少。,2.三者或三者以上比较数量:themost,thefewest,theleast用来比较三者或三者以上之间的数量关系。themost,thefewest,theleast分别是many/much,few,little的最高级。themost表示“最……;最多的”,后既可接可数名词复数,也可接不可数名词thefewest表示“最少”,后接可数名词的复数形式;theleast表示“最少”,后接不可数名词。,eg:Kittygetsthemostpointsofthethreegirls.三个女孩中,凯蒂的得分是最高的。Hehastheleastwater.他的水是最少的。Whichofthemhasmadethefewestmistakes?他们中的哪一位的错误最少?,二、副词的比较级和最高级1.副词的比较级和最高级的构成(1)单音节词大多在词尾加er或est,以e结尾的词在词尾加r或st;多音节词和部分双音节词在其前加more构成比较级,加most构成最高级。★soon→sooner→soonest★late→later→latest★quickly→morequickly→mostquickly,(2)一些副词的比较级和最高级是不规则变化。★well—better—best★badly—worse—worst★little—less—least★far—farther/further—farthest/furthest,2.副词的比较级的用法(1)副词的比较级+thaneg:Canyoudobetterthanthat?你能不能做得比那个好一些?HestudiedthesubjectfurtherthanIdid.这个课题他研究得比我深。,(2)moreandmore越来越……eg:Itrainedmoreandmoreheavily.雨下得越来越大了。(3)themore...,themore...越……,就越……eg:ThemoreIwork,themoreIlearn.我干得越多,学的(东西)就越多。,3.副词的最高级的用法副词的最高级通常用于一定的比较范围,如含有介词in,of或among构成的介词短语。副词的最高级前的定冠词the可以省略。eg:Hewholaughslastlaughsbest.笑到最后笑得最好。Ofthefourofus,Isang(the)worst.我们四个人中我唱得最差。,本节课主要学习了以下知识点,请同学们及时巩固练习:比较事物的数量副词的比较级和最高级,一、根据所给提示完成句子1.Lindahas(few)pensthanSimon.2.Lucyhas(little)ricethanLily.3.Hehas(many)pensinourclass.4.Katehas(much)milkofusall.5.Ofallthestudents,ourmonitorspentthe(little)timebutmadethemostprogress.fewerlessthemostthemostleast,二、单项选择6.Therewillbe_______jobsforpeoplebecausesomerobotswilldothesamejobsaspeople.(江西)A.manyB.moreC.fewerD.fewestC【点拨】语境分析法。由语境可知机器人将会做与人们相同的工作,所以人们将会有更少的工作(机会)。many“许多”,more“更多”,fewer“更少”,fewest“最少”。,7.Emmalookedafterherpetdogofallherfriends.A.carefulB.mostcarefulC.morecarefullyD.themostcarefully8.—Whichdoyoulike,summerorwinter?—I'dpreferwinter.(绵阳)A.betterB.bestC.goodD.well9.WealllikeLucyassheisalwaysthinkingofothers______thanherself.(泰安)A.lessB.muchmoreC.muchD.betterDAB,10.—Whatdoyouthinkofreceivingandgivinggifts?—Ithinktheartofreceivingagiftisthantheartofgiving.(内江)A.muchmoredifficultB.verymoredifficultC.muchdifficultD.asdifficultas【点拨】由句中的关键词than可知此处应用比较级形式,排除C、D两项;difficult的比较级是moredifficult,且much可修饰比较级,very不可以修饰比较级,故选A。A

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