英语人教版八年级下册第七单元unit7Section B1

.,Unit7Whatsthehighestmountainintheworld?,.,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?,on,of,At,about,to,.,Objectives,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,Thistreeisthreetimestallerthanthatone,Yourbagisthreetimeslargerthanmine,.,2.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,Thelivingroomisthreetimesaslargeasthekitchen,Yourcakeisfourtimesthesizeofmine,.,观察思考：Howmuchdoesitweigh?此句中weigh是_词，意思是_Heweighedthefruit.此句中weigh是_词，意思是_Whatstheweightofthelittledog?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_150,1b,.,Listenagainandcompletethesentences.,Atbirth,ababypandaisabout_to_kilos.Atbirth,ababypandaisabout_cmlong.Ababypandaisnotblack.Itis_andithasno_.Apandacanliveupto_to_years.,1c,0.2,0.1,pink,15,20,teeth,30,.,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,atbirth,Mydaughterweighted3kilosatbirth.,liveupto.years,Ihopemyparentscanliveupto100years.,拓展：upto.“至多有.”练习：Icantake_(至多有)fourpeopleinmycar,upto,Review,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.,weighsfortykilos,Atbirth,thelongestofall,350cmtall,tenkilosof,.,合并句子。Imthirteen.Jimisfourteen.(old)Mr.Greenis1.75m.Mr.Smithis1.70m.(short)Theredboxis2kg.Theyellowboxis4kg.(heavy)4.Myhatis20yuan.Aliceshatis30yuan.Lucyshatis50yuan.(cheap),ImolderthanJim.,Mr.SmithisshorterthanGreen.,Theyellowboxisheavierthantheredbox.,MyhatischeaperthanAliceshatandLucyshat.,.,1.Jimisvery_.LiLeiis_thanJim.(hungry)2.Katesmooncakesare_ofall.(nice)3.Yourboxis_thanmine.Buthisis_ofthethree(heavy).4.Unit2isquite_.Unit3is_thanUnit2.(hard),hungry,hungrier,thenicest,heavier,theheaviest,hard,harder,Completethesentenceswiththerightformsofthewords.,.,5.ThisTVplayis_thanthatone.(good)6.Mymotherisvery_.Sheis_inmyfamily.(busy)7.Linglinggetstoschool_thantheothers.(early)8.ShespeaksEnglish_inourclass.(well),better,busy,thebusiest,earlier,best,.,9.IthinkEnglishisas_asChinese.(important)10.Thispictureis_ofthefour.(beautiful)11.Lucydid_thanLily.(bad),important,themostbeautiful,worse,.,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,ababypandaisabout15c