Unit7 What’s the highest mountain in the world第4课时SectionB 1a-1d课件（人教新目标版）

SectionB1a-1dUnit7What’sthehighestmountainintheworld?初中英语八年级下册RJ 1.Newwords:cm(=centimeter),weigh,birth,adult2.Expressions:atbirth,uptoLearninggoals 点击，播放视频Warmingup 点击，播放视频 Itis350cmtall.Itweighs5,000kilos.Iteats150kilosoffoodaday.Itcanhelppeopledoalotofwork.Elephantweighv.重量是……；称……的重量cm(=centimeter)n.厘米读作350centimeters Itis150cmtall(standingontwolegs).Atbirth,itisonlyabout0.1to0.2kilos,butanadultoneweighs100kilos.Iteats10kilosoffoodaday.Itisasymbolofourcountry.Pandabirthn.出生；诞生atbirth出生时adj.成年的；成人的n.成人；成年动物 1aComparefactsaboutthesetwoanimals.Usethelanguageintheboxtohelpyoumakesentences.Elephantis350cmtallweighs5,000kiloseats150kilosoffoodadayPandais150cmtall(standingontwolegs)weighs100kiloseats10kilosoffoodaday ComparedonweightExamplesentence:Thiselephantweighsmanytimesmorethanthispanda.(200cmtaller/shorter,weighmuchmore/less,eatmuchmore/less,eatmanytimesmore) Nowmakemoresentences.Thispandais200cmshorterthanthiselephant.Thiselephanteatsmuchmorethanthispanda.…Onheight/weight/food/otherfactsyouknow:———————————————————————————————————————————————————————————————————————————————————— 1.Thiselephantweighsmanytimesmorethanthispanda.(教材P531a)(1)weigh此处作系动词，意为“重量是……”。Howmuchdoyouweigh?你体重多少？Atbirth,mostbabiesweighbetween3and4kilograms.大多数婴儿出生时的体重在3千克到4千克之间。Languagepointsweigh/weɪ/v.重量是……；称……的重量 (2)weigh还可作及物动词，意为“称……的重量”。Sheweighedthestoneinherhand.她用手掂了掂那块石头的重量。【拓展】weight作名词，意为“重量；分量”。puton/gainweight表示“增加体重”；loseweight表示“减重”。 Thistableisthreetimeslongerthanthatone.这张桌子是那张桌子的三倍长。倍数+比较级+than1.Thiselephantweighsmanytimesmorethanthispanda.(教材P531a)该结构意为“是……（长/宽等）的多少倍”，表示倍数。 【拓展】(1)“倍数+as+形容词/副词原级+as”也表示倍数，意为“……是……的几倍”。Thistableisthreetimesaslongasthatone.这张桌子是那张桌子的三倍长。(2)“倍数+the+size/length/height...+of...”意为“……是……的几倍大/长/高”。Thistableisthreetimesthelengthofthatone.这张桌子是那张桌子的三倍长。 0.10.2162050100120150zeropointonezeropointtwosixteentwentyfiftyonehundredonehundredandtwentyonehundredandfiftyReadthefollowingnumber. 1bListenandcheck(√)thenumbersyouhear.______100______16______20______50______120______0.1______0.2______150√√√√√ 1cListenagainandcompletethesentences.Atbirth,ababypandaisabout______to______kilos.Atbirth,ababypandaisabout______cmlong.Ababypandaisnotblack.Itis______andithasno______5.Apandacanliveupto______to______years.0.10.215pinkteeth2030到达（数量、程度等）；至多有；不多于 ListenandRead.Teacher：Doyouhaveanyquestionsaboutbabypandas?Boy1：Aretheymuchsmallerthananadultpanda?Teacher：Yes.Whenthey’reborn,theyonlyweighabout0.1to0.2kilos.Boy1：Wow,that’ssmall!Iknowanadultpandaweighsmanytimesmorethanababy.Teacher：That’sright.Andtheadultpandasweigharound100kilos.Boy2：Whataboutthesizeofababypanda?Howsmallisit? Teacher：Atbirth,it’sonlyaround15cmlong,butanadultpandaisaround150cmlong.Girl：Isababypandaalsoblackandwhite?Teacher：No,youwouldneverguess!Ababypandaispinkanditcannotsee.Italsodoesn’thaveanyteeth.Girl：Howlongcanpandaslive?Teacher：Theycanliveupto20to30years. 1.Atbirth,ababypandaisabout0.1to0.2kilos.(教材P531c)atbirth意为“出生时”，常用作时间状语。其中，birth作不可数名词，意为“出生；诞生”。dateofbirth意为“出生日期”，givebirthto表示“生孩子；产崽”。atbirth出生时Atbirth,ababyisalwayscryingaloud.出生时，婴儿总是大声地哭。Lastweek,herauntgavebirthtoababygirl.上周，她姑姑生了一个女婴。Languagepoints 2.Apandacanliveupto20to30years.(教材P531c)upto后常跟数词，liveupto表示“活到……岁”。upto到达(某数量、程度等)；至多有；不多于Thereareuptofortypeopleinthepark.公园里至多有40人。【拓展】beuptosb.表示“是……的职责；由……决定”。—Shallwegooutorstayathome?我们出去还是待在家里？—It’suptoyou.由你决定。 1dTaketurnstellingyourclassmatesaboutpandas.A:Ababypandacannotsee.B:Anadultpandaweighsmanytimesmorethanababypanda. GameTrueorFalse?Anadultpandaistentimeslongerthanababypanda.True.Atbirth,apanda’sonlyaround15cmlong,butanadultpandaisaround150cmtall(standingontwolegs). 一、单项选择1.Theroadis________thatone．A.twiceaswiderasB.twiceaswideasC.twicesowideasD.widertwicethan2.Ourschoolis________yours．A.twicebiggerthanB.biggertwicethanC.twicebigthanD.manytimesbigthanBAExercises 3.(2021•原创)Thequestionisnotdifficult.sothatit’s________youtodecidehowtosolveit.A.uptoB.belongtoC.dependonD.assoonas4.________,myweightwasabout3.5kg.A.AtfirstB.AttimesC.AtbirthdayD.AtbirthAD 二、用所给单词的适当形式填空。1.He____________(weigh)thestoneinhishandjustnow.2.Hiswifegave____________(birthday)toababyboyyesterday.3.Many____________(adult)alsolikeplayingcomputergames.weighedbirthadults 4.Theelephantweighsmanytimes__________(much)thanthekoala．5.TownCinemais____________(cheap)thanScreenCity．6.Thesizeofourschoolis____________(two)biggerthantheirs.morecheapertwice 三、根据汉语意思补全句子1.那个婴儿生下来重七磅。Thatbabyweighedsevenpounds_________________.2.一只熊猫能活20到30年。Apandacan___________________________20to30years.3.这头大象的重量比这头熊猫重许多倍。Thiselephantweighs____________________morethanthispanda.atbirthliveuptomanytimes KeywordsUsefulexpressionsatbirth,uptocm(=centimeter),weigh,birth,adultSummary Findoutsomefactsaboutanotherthreeanimals,andmakecomparisonsamongthem.Recitethelisteningpart.PreviewthenewwordsandphrasesinSectionB(P54-55).Homework