2023人教版八年级英语下册交互课件-【第4课时（B 1a-1d）】

Unit7What’sthehighestmountainintheworld?R·八年级下册SectionB1a-1dLearningobjects（学习目标）By

the

end

of

the

class,youwillbeableto:1.Learnthefollowingkeywordsandphrases:weigh,birth,atbirth,upto,adult2.Usecomparativestocomparefactsaboutelephantsandpandas.3.Listenforspecificinformationaboutnumbers.4.Talkaboutpandas.HaveaguessItisveryhuge.Ithastwobigears.Ithasalongnose.What’syourfavoriteanimal?Canyouguesswhatmyfavoriteanimalis?elephantItisverycute.ItisfromChina.Itisblackandwhite.Canyouguesswhatmyfavoriteanimalis?pandaElephant—is350cmtall—weighs5,000kilos—eats150kilosoffoodadayCanyoumakesentencestodescribetheelephantandthepanda?Thiselephantis350cmtall.Itweighs5,000kilosandeats150kilosoffoodaday.Panda—is150cmtall(standingontwolegs)—weighs100kilos—eats10kilosoffoodadayThispandais150cmtallwhenitisstandingontwolegs.Itweighs100kilosandeats10kilosoffoodaday.1aComparefactsaboutthesetwoanimals.Usethelanguageintheboxtohelpyoumakesentences.Elephant—is350cmtall—weighs5,000kilos—eats150kilosoffoodadayweighv.重量是……；称……的重量对重量进行提问：Howmuchdo/does/did…weigh?/Howheavy…?weightn.重量putonweight增加体重loseweight减肥Panda—is150cmtall(standingontwolegs)—weighs100kilos—eats10kilosoffoodadayExamplesentence:Thiselephantweighsmanytimesmorethanthispanda.(200cmtaller/shorter,weighmuchmore/less,eatmuchmore/less,eatmanytimesmore)350cmtall150cmtallThiselephantis200cm___________thispanda.

tallerthanThispandais200cm____________thiselephant.

shorterthanComparethetwoanimals.5,000kilos100kilosThiselephantweighs___________thanthispanda.

muchmoreThispandaweighs____________thanthiselephant.

muchless150kilosoffoodaday10kilosoffoodadayThiselephanteats___________thanthispanda.

muchmoreThispandaeats________________thanthiselephant.

manytimeslessCanyoureadthenumbersbelow?1001620501200.10.2150onehundredsixteentwentyfiftyonehundredandtwentyzeropointonezeropointtwoonehundredandfifty1bListenandcheck(√)thenumbersyouhear.____100____16____20____50

____120____0.1____0.2____150

√√√√√Tips:Whenyouarelisteningtothetape,itisagoodwaytopayattentiontonumbersinthedialogue.1cListenagainandcompletethe

sentences.1.Atbirth,ababypandaisabout_____to

_____kilos.

2.Atbirth,ababypandaisabout_____

cmlong.3.Ababypandaisnotblack.Itis______andit

hasno_____.4.Apandacanliveupto______to

______years.0.10.215pink2030teethTips:Listentothekeywords.atbirth=when…was/wereborn出生时upto到达（某数量、程度等）；至多有；不多于beuptosb.

由某人决定liveupto活到……岁Listenandfillintable.BabypandaAdultpandaweightlengthcolorothersabout0.1to0.2kilosabout100kilos15cm150cmpinkblackandwhitecan’tsee,hasnoteethliveupto20-30yearsTapescriptsTeacher:Doyouhaveanyquestionsaboutbabypandas?

Boy1:Aretheymuchsmallerthananadultpanda?Teacher:Yes.Whenthey’reborn,theyonlyweighabout

0.1to0.2kilos.

Boy1:Wow,that’ssmall!Iknowanadultpanda

weighsmanytimesmorethanababy.倍数表达法：倍数+形容词/副词比较级+than是……的多少倍（大/小/长……）倍数+as+形容词/副词原级+as……是……的几倍倍数+the+height/weight/length/size…+of………是……的几倍（高/重/长/大……）Teacher:That’sright.Andtheadultpandasweigh

about100kilos.

Boy2:Whataboutthesizeofababypanda?

Howsmallisit?Teacher:Atbirth,it’sonlyaround15cmlong,but

anadultpandaisaround150cmlong.

Girl:Isababypandaalsoblackandwhite?Teacher:No,youwouldneverguess!Ababy

pandaispinkanditcannotsee.Italso

doesn’thaveanyteeth.

Girl:Howlongcanpandaslive?Teacher:Theycanliveupto20to30years.Trytomakecardsfortheadultpandaandthebabypanda.Youcanusethecardsin1aasexamples.Thenworkinpairsandcomparetheadultpandawiththebabypanda.A:Ababypandacannotsee.B:Anadultpandaweighsmanytimesmorethanababypanda.1dTaketurnstellingyourclassmatesaboutpandas.

Ababypandaispinkanditdoesn’thaveanyteeth.Atbirth,ababypandaisonlyaround15cmlong.Theadultpandasweigharound100kilos.Pandascanliveupto20to30years.DiscussionHerearesomefactsaboutkoala.Usetheinformationbelowtomakesentences.Koala

—is75cmtall—weighs10kilos—eatsleaves—sleeps20hoursadaySummaryWords&Phrases:weigh,birth,atbirth,adult,liveuptoSen