八年级英语下册Unit7Whatsthehighestmountainintheworld第四课时S

第四课时SectionB(1a～1d)1．weigh意为“称……的重量；掂量；有……重”，可以作及物动词，也可作不及物动词。weight是weigh的名词形式，意为“重量，体重”，一般用作不可数名词。CaoChongthoughtofawaytoweightheelephant.曹冲想出了一个称大象的办法。2．moremany和much的比较级，其后既可以跟可数名词复数，也可以跟不可数名词，意思是“更多的”。eg：Mr.Smithwantedtogetmoremoney.史密斯先生想挣更多的钱。3．less是little的比较级，其后只接不可数名词，意思是“较少的，更少的”。eg：Thereislesswaterinthatglass.那个杯子里的水更少。4．liveupto＋基数词＋year(s)old，意为“活到……岁”。5．atbirth在出生时6．倍数表达法：(1)倍数＋as…as倍数＋as…as(意为“A是B的几倍”，多用于对客观事物的比较。)eg：AsiaisfourtimesaslargeasEurope.亚洲有欧洲的四倍大。Thisdictionaryistwiceasheavyasthatone.这本字典有那本字典的两倍重。(2)倍数＋比较级形式＋than倍数＋(形容词/副词)比较级形式＋than，意为“增加(多)几倍”。eg：Thehouseistwicelargerthanthatone.这间房子比那间大两倍。一、根据句意及汉语提示写单词(组)。1．—Howmuchdoyou________(重量)?—60kilos.2．—What'syourdateof________(出生)?—September9th.3．Thismovieisfor________(成年人)，notforchildren.4．Thedininghallcanhold_________(多达)2，000people.5．Heisfive__________(倍)asheavyasI.weighbirthadultsuptotimes二、单项选择。6．—____isapanda?—Itweighsabout100kilos.A．HowfarB．HowlongC．HowheavyD．Howtall7．Bobknowshowtocutthecostoftheproject.I'msurehecandotheworkwith____moneyand________people.(2015，广东)A．less，lessB．fewer，moreC．more，fewerD．less，fewer8．Thishallis____thanourclassroom.A．fivetimebigB．fivetimebiggerC．fivetimesbiggerD．fivebiggertimeCDC9．—It'ssocoldtoday.—Yes，it's____colderthanitwasyesterday.A．someB．moreC．veryD．much10．Dearstudents，pleasereadeverysentencecarefully.Themore____youare，the________mistakesyou'llmake.A．carefully，fewerB．careful，lessC．careful，fewerD．carefully，lessDC三、根据首字母提示写单词补全对话。Teacher：How11.________doyouknowaboutbabypandas?Boy：Aretheymuch12.________thananadultpanda?Teacher：Yes.Whenthey're13.，theyonlyweighabout0.1to0.2kilos.Boy：Wow，that'ssmall！Iknowapandaweighsmany14.______morethanababy.Teacher：That'sright.Theadults15.________around100kilos.Boy：Whataboutthe16.________ofababypanda？Howsmallisit?Teacher：At17.，it'sonlyaround15cmlong，butanadultpandaisaround150cmlong.muchsmallerborntimesweighsizebirthGirl：Isababypandaalsoblackand18.________?Teacher：No，youwouldneverguess！Ababypandaispinkanditcannotsee.Italsodoesn'thaveany19.．Girl：Howlongcanpandaslive?Teacher：Theycanlive20.__________to20to30years.whiteteethup四、任务型阅读。(2015，铜仁)KnownasthemotherriverbyalltheChinesepeople，theHuangheRiver(YellowRiver)isthesecondlongestriverinChinaaftertheChangjiangRiver.Itis5464kilometerslong.ItstartsfromtheKunlunMountainsnorthwesternQinghaiProvince.ItrunsthroughnineprovincesandflowstoBohaiSeainShandongProvince.Thefirstappearanceofthename“YellowRiver”isinTheBookofHan.Theword“yellow”describesthecolorofthemuddywaterinthelowercourseoftheriver.根据以上短文内容，完成下列表格。longestnorthwesterntheHuangheRiver(YellowRiver)Itis5464kmlongtheHuangheRiveristhesecond21._______riverinChinaaftertheChangjiangRiverItstartsfromtheKunlunMountains22.___________QinghaiProvinceItrunsthroughnineprovincesandflowstoBohai23._____inShandongProvinceThefirstappearanceofthename“YellowRiver”isinTheBookof24._______Theword“yellow”describesthecolorofthemuddy25._______inthelowercourseoftheriverSeaHanwater