人教版八下英語 Unit 7第3課時(shí)（B 1a-1d）教學(xué)課件

R·八年級下冊Unit7

What’sthehighestmountainintheworld?SectionB1a-1dNewWords

cm=centimeterweigh(v.)birth(n.)adult(adj.&n.)

/?sent?mi:t?(r)/

/we?/

/b??(r)θ/

/??d?lt/,/??d?lt/厘米(=centimetre)重量是……；稱……的重量

出生；誕生成年人的；成人的成人；成年動物NewPhrases

出生時(shí)到達(dá)（某數(shù)量、程度等）；至多有；不多于atbirthuptoWordsgamecm(centimeter)atbirthadultuptobirthweigh根據(jù)星星中的英文說出中文意思！Lead-in

Howmuchdoyouknowaboutelephantsandpandas?

大象是現(xiàn)存世界最大的

陸棲動物，主要外部特征為柔韌而肌肉發(fā)達(dá)的長鼻和扇大的耳朵，具纏卷的功能，是象自衛(wèi)和取食的有力工具。象肩高約2米，體重3～7噸。非洲象耳大，體型較大，體重較重。亞洲象耳小，身體較小，體重較輕。

大熊貓最奇特的一點(diǎn)是新生兒在出生時(shí)相當(dāng)?shù)牟怀墒?，體重僅是它母親體重的0.1%，平均為145克左右，約為成年的千分之一。照顧孩子是一項(xiàng)非常艱巨的任務(wù)，通常歷時(shí)18個(gè)月，有時(shí)長達(dá)兩年，直到她的下一個(gè)孩子出生。1aComparefactsaboutthesetwoanimals.Usethelanguageintheboxtohelpyoumakesentences.Elephant—is350cmtall—weighs5,000kilos—eats150kilosoffoodadayPanda—is150cmtall(standingontwolegs)—weighs100kilos—eats10kilosoffoodadayExamplesentence:Thiselephantweighsmanytimesmorethanthispanda.(200cmtaller/shorter,weighmuchmore/less,eatmuchmore/less,eatmanytimesmore)Elephantis350cmtallweighs5,000kiloseats150kilosoffoodadayTrytodescribetheelephantusingtheinformationabove.Forexample:1.Thiselephantis350cmtall.2.Itweighs5,000kilos.3.Iteats150kilosoffoodaday.Pandais150cmtall(standingontwolegs)weighs100kiloseats10kilosoffoodadayTrytodescribethepandausingtheinformationabove.Forexample:1.Thepandais150cmtallwhenitisstandingontwolegs.2.Itweighs100kilos.3.Iteats10kilosoffoodaday.Thiselephantis200cmtallerthanthispanda.Thiselephantweighsmuchmorethanthispanda.Thiselephanteatsmuchmorethanthispanda.Thiselephanteatsmanytimesthanthispandaaday.1bListenandcheck(√)thenumbersyouhear.____100____16____20____50

____120____0.1____0.2____150

√√√√√1cListenagainandcompletethe

sentences.1.Atbirth,ababypandaisabout_____to

_____kilos.

2.Atbirth,ababypandaisabout_____

cmlong.3.Ababypandaisnotblack.Itis______andit

hasno_____.4.Apandacanliveupto______to

______years.0.10.215pink2030teeth聽力原文Teacher:Doyouhaveanyquestionsaboutbaby

pandas?

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

0.1to0.2kilos.小很多

Boy1:Wow,that’ssmall!Iknowanadultpanda

weighsmanytimesmorethanababy.Teacher:That’sright.Andtheadultpandasweigh

about100kilos.……很多倍

Boy2:Whataboutthesizeofababypanda?

Howsmallisit?Teacher:Atbirth,it’sonlyaround15cmlong,but

anadultpandaisaround150cmlong.

Girl:Isababypandaalsoblackandwhite?Teacher:No,youwouldneverguess!Ababy

pandaispinkanditcannotsee.Italso

doesn’thaveanyteeth.

Girl:Howlongcanpandaslive?Teacher:Theycanliveupto20to30years.長達(dá)……年Trytomakecardsforadultpandaandbabypanda.Youcanusethecardsin1aasexamples.Thenworkinpairsandcomparetheadultpandaandbabypanda.1.Thiselephantweighsmanytimesmorethanthispanda.weigh“重量是……”，在此句中作系動詞；

意為“稱……的重量”時(shí)作及物動詞。你上次是什么時(shí)候稱的體重?Whendidyouweighyourselflasttime?Languagepointsweight為weigh的名詞形式，是不可數(shù)名詞，意為“重量”：weightgain/putonweight增肥loseweight減肥拓展（江蘇泰州中考）Whatapity!Suelostthegamebecausethe_______(weigh)ofhershoesmadeitdifficultforhertorunfast.weight…manytimesmorethan…“比……多很多倍”，是倍數(shù)的表達(dá)方式之一。英語中常用的倍數(shù)表達(dá)法有：（1）“A+謂+倍數(shù)+形/副的比較級+than+B”

A是B的多少倍（大/小/長……）例：他跑得比他弟弟快三倍。Herunsthreetimesfasterthanhisbrother.（2）“A+謂+倍數(shù)+as+形/副的原級+as+B”

A是B的幾倍例：我們的學(xué)校是你們學(xué)校的兩倍大。Ourschoolistwiceasbigasyours.（3）“A+謂+倍數(shù)+theheight/weight/length/size…+of+B”A是B的幾倍（高/重/長/大……）例：這座山的高度是那座小山的四倍。Thishillisfourtimestheheightofthatsmallone.（1）他跑得比他弟弟快三倍。Heruns____________________hisbrother.（2）這棵樹是那棵樹的三倍高。 Thistreeis____________________thatone.（3）這座山的高度是那座小山的四倍。 Thishillis____________________thatsmallone.threetimesfasterthanthreetimesastallasfourtimestheheightof演練Ourteachertellsusthattheearthisabout______asthemoon.A.asfiftytimebigB.fiftytimesasbigC.asbigfiftytimesD.fiftyastimesbig2.Atbirth,ababypandaisabout0.1to0.2kilos.atbirth“出生時(shí)”，相當(dāng)于whenitwasborn。birth為不可數(shù)名詞，意為“出生；誕生”。例：出生時(shí)，這個(gè)嬰兒大約3公斤。Atbirth,thebabywasaboutthreekilos.3.Apandacanliveupto20to30years.upto意為“到達(dá)（某數(shù)量、程度等）；不多于”。InsomeareasofAfrica,childrengeteducatedupto12yearsold.在非洲的一些地區(qū)，孩子最多受教育到12歲。beuptosb.

意為“由某人決定”。拓展例：——爸爸，我們?nèi)ツ抢锒燃伲俊赡銢Q定。

—Whereshallwegoforvacation,Daddy?—It’suptoyou.upto的相關(guān)短語

uptonowgo/walkuptoliveuptorunupto直到現(xiàn)在走到，走上前達(dá)到；不辜負(fù)（期望）跑到（某人面前）總計(jì)，一共adduptobeuptouptodate由某人決定新式的；現(xiàn)代的；至今，到目前為止Herschoolworkisn’tquite______themark.A.leadtoB.turntoC.usedtoD.upto1dTaketurnstellingyourclassmatesaboutpandas.

Anadultpandaweighsmany

timesmorethanababypanda.Ababypandacannotsee.Ababypandaispinkanditdoesn’thaveanyteeth.Atbirth,ababypandaisonlyaround15cmlong.Theadultpandasweigharound100kilos.Pandascanliveupto20to30years.Keywords:weighbirthadult

Phrases:atbirthuptoSentences:Thiselephantweighsmanytimesmorethanthispanda.SummaryExercise1.Mygrandmaisahappyandhealthywomanandshe’llliv