英语人教版八年级下册第七单元unit7Section B

Unit7

What’sthehighestmountain

intheworld?SectionBPeriodOne预习检测：用适当的介词或副词填空1.Thepandacanstand___twolegs.2.Mypetdogeatshalfakilo___meateveryday.3.___birth,littleTomwasonly2kilos.4.Thelittleelephantis____twoyearsold.5.Doyouthinkpeoplewillliveup___200years?onofAtabouttoObjectives掌握倍数表达法Tolearnnewwords:weigh,atbirth,liveupto问题引导下的再学习Comparefactsaboutthesetwoanimals.Usethelanguageintheboxtohelpyoumakesentences.(1a)Examplesentence:Thiselephantweighsmanytimesmorethanthispanda.(200cmtaller/shorter,weighmuchmore/less,eatmuchmore/less,eatmanytimesmore.)Thispandais200cmshorterthanthiselephant.Thiselephanteatsmuchmorethanthispanda.Thiselephantweighsmanytimesmorethanthispanda这头大象比这只大熊猫重许多倍time在句中的意思是____,是____(可数/不可数）名词，用来表示三倍及以上的倍数，表达倍数常用以下句型：1.A+谓语+…..times+形容词或副词的比较级+than+B练习：这棵树比那棵高三倍。你的书包比我的大三倍倍，倍数可数ThistreeisthreetimestallerthanthatoneYourbagisthreetimeslargerthanmine2.A+谓语+….times+as+形容词或副词的原级+asB练习：起居室是厨房的三倍3.A+谓语+…..times+the+计量单位（size/lengh/height/weight…..)+of+B练习：你的蛋糕的大小是我的蛋糕的四倍ThelivingroomisthreetimesaslargeasthekitchenYourcakeisfourtimesthesizeofmine观察思考：Howmuchdoesitweigh?此句中weigh是___词，意思是____________Heweighedthefruit.此句中weigh是___词，意思是____________What’stheweightofthelittledog?此句中weight是_______词，意思是________动重量是……动称…..的重量不可数名重量，体重拓展：weight常用于短语loseweight“减肥”Listenandcheck()thenumbersyouhear._____100______16_______20_____20______50______120_____0.1______0.2_______1501b√√√√√√Listenagainandcompletethesentences.Atbirth,ababypandaisabout___to___kilos.Atbirth,ababypandaisabout____cmlong.Ababypandaisnotblack.Itis____andithasno_____.Apandacanliveupto___to___years.1c0.20.1pink1520teeth30观察1c,找出短语“出生时”______练习：我的女儿出生时重三公斤。“活到…..岁”_______________练习：我希望我的父母能活到100岁atbirthMydaughterweighted3kilosatbirth.liveupto…..yearsIhopemyparentscanliveupto100years.拓展：upto…..“至多有…….”练习：Icantake_____(至多有)

fourpeopleinmycaruptoReview课时重点回顾weigh的用法倍数表达法重要短语Quiz注:另附word文档。点击此处链接达标检测1.我弟弟重大约四十公斤。Mybrother______about_________.2.刚出生时，一只熊猫重大约0.1到0.2公斤________,ababypandaisabout0.1to0.2kilos3.所有铅笔中这支铅笔最长。Thepencilis_______________4.那头大象大约有350厘米高。Theelephantisabout_________5.它每天吃十公斤食物Iteats__________foodaday.weighsfortykilosAtbirththelongestofall350cmtalltenkilosof合并句子。I’mthirteen.Jimisfourteen.(old)Mr.Greenis1.75m.Mr.Smithis1.70m.(short)Theredboxis2kg.Theyellowboxis4kg.(heavy)4.Myhatis20yuan.Alice’shatis30yuan.Lucy’shatis50yuan.(cheap)I’molder

thanJim.Mr.Smithisshorter

thanGreen.Theyellowboxisheavier

thantheredbox.MyhatischeaperthanAlice’shatandLucy’shat.1.Jimisvery______.LiLeiis_________thanJim.(hungry)2.Kate’smooncakesare________ofall.(nice)3.Yourboxis_______thanmine.Buthisis___________ofthethree(heavy).4.Unit2isquite_____.Unit3is______thanUnit2.(hard)hungryhungrierthenicestheaviertheheaviesthardharderCompletethesentenceswiththerightformsofthewords.5.ThisTVplayis_____thanthatone.(good)6.Mymotherisvery______.Sheis__________inmyfamily.(busy)7.Linglinggetstoschool______thantheothers.(early)8.ShespeaksEnglish_____inourclass.(well)betterbusythebusiestearlierbest9.IthinkEnglishisas_________asChinese.(important)10.Thispictureis________________ofthefour.(beautiful)11.Lucydid_____thanLily.(bad)importantthemostbeautifulworse翻译下列句子。刚出生时，熊猫宝宝大约有15公分长。大象比这个熊猫要重许多倍。我的苹果要比妹妹的多三倍。Atbirth