Unit7SectionB1a-1d课件人教版级英语下册

SectionB(1a-1d)ObjectivesTolearnnewwords:weigh,birth,adult…TolearntocomparefactsaboutelephantsandpandasLearntoexpress:倍数+比较级+than…Learnsomeinformationaboutpandas,lovepandas.Howlong/wide/high/deep/big+be+主语?长宽高深长、宽、高、深等的表达法主语+【拓展延伸】复合形容词作定语:“基数词-单位词单数-形容词”20-meter-long20米长的(14-year-old)当基数词大于1时，单位词用复数1.TheNileRiveris6,671kilometers

long

.2.TheQomolangmais8,848.86meters

high.3.TheCaspianSeais1,025meters

deep

.4.TheSaharaisabout9,000,000squarekilometersinsize.____+_______+_________+_______基数词单位词形容词be(long,wide,high,deep)meter/kilometer/mile等面积：主语+be+基数词+单位词+______insize面积的表达法大小Howbig+be+主语?我170cm高。Iam170cm

tall.Howtallareyou?我55公斤重。Iam55kilos

heavy.重量表达1：主语+be+基数词+单位kilo(s)+heavy.主语...公斤重。提问重量：你多重？Howheavyareyou?提问重量1.Howheavy+be+主语？我重55公斤。Iweigh

55kilos.重量表达2：主语+weigh(s)+基数词+单位kilo(s).主语重...公斤。提问重量：你重多少？Howmuchdoyouweigh?提问重量2.Howmuchdo/does/did+主语weigh？Tom12.Mike13.Mikeis___________olderthanTom.Tom150cm.Mike170cm.Mikeis____________tallerthanTom.1year20cmDaMing

Mike

10yearsold

13yearsold

30kilos90kilos130cmtall170cmtallTalkaboutthepicturesLeadinDaMingisalittle

youngerthanMike.MikeisolderthanDaMing.Heis3yearsolderthanDaMing.Heis3yearsyounger

thanMike.Mikeismuch

tallerthanDaMing.Heis50

cmtallerthanDaMing.MikeismuchheavierthanDaMing.HeistwiceheavierthanDaMing.=Heisthreetimes

asheavyas

DaMing.两倍三倍倍数的表达：主语+be+_______________________+___________+than...表示“……比……大/小/长/短……几倍”主语+be+______________________+___+形容词原级+__...表示“……是……的几倍大/小/长/短……”Thisruleristhreetimeslongerthanthatone.=Thisrulerisfourtimesaslongasthatone.time1.时间(u.c.n.)2.次数(c.n.)3.倍数(c.n.)倍数(twice/threetimes等)形容词比较级倍数(twice/threetimes等)asas一倍/次：once两倍/次：twice三倍/次及以上：基数词+times许多倍/次：manytimes倍数也可以修饰比较级Pandais150cmtall(standingontwolegs)

weighs100kiloseats10kilosoffoodadayTrytodescribethepandausingtheinformationabove.Thepandaweighs100kilos.(重100千克)Howmuchdoesthepandaweigh?Thepandais150cmtallwhen

itisstandingontwolegs.(双腿站立时150厘米高)Thepanda

eats10kilosoffoodaday.=Thepandais100kilosheavy.Howheavyisthepanda?一千克/公斤...1kiloof+U.C.N./可复两千克/公斤...千克/公斤表达：基数词+kilo(s)+U.C.N./可复Elephantis350cmtall

weighs5,000kiloseats150kilosoffoodadayDoyouknow?Trytodescribetheelephantusingtheinformationabove.Theelephantweighs5,000kilos.(重5000千克)Theelephanteats150kilosoffoodaday.(一天吃150千克食物)Thiselephantis350cmtall.(350厘米高)Elephant-is350cmtallweighs5,000kiloseats150kilosoffoodaday

Panda

is150cmtallweighs100kiloseats10kilosoffoodaday1.Theelephantis_________________thanthepanda.2.Thepandais_____________________thantheelephant.3.Theelephantweighs_______________/_________________________thanthepanda.4.Thepandaweighs_____________/________________________

thantheelephant.5.Theelephanteats_______________/____________________________thanthepanda.6.Thepandaeats_____________/_________________________thantheelephant.muchmore200cmtaller/shorter(高/矮20cm),manytimesmore/less(多/少许多倍),muchmore/less(多/少得多)200cmtaller200cmshortermuchlessmuchmoremuchlessmanytimesmoremanytimesmoremanytimeslessmanytimeslessThey’rebabypandas.Lookatthepictures.Whatarethey?

Whatcolorarethey?They’repink.Atbirth,theyaren’tblack.They’repink.They’reverysmall.Theyonlyweighabout0.1to0.2kilos.They’reabout15cmlong.Theyhavenoeyesandteeth,sotheycan’tsee.Whentheywereborn出生时Youngpandasareblackandwhite.Theyhaveeyesandteeth.Adultpandasareabout150cmlong.Theyareabout100kilos.Theycanliveupto

20

to30years.成年人，成年的活到到达，至多有，不多于Listenandcheck(√)thenumbersyouhear.Listening1001620501200.10.2150√√√√√1bListenagainandcompletethesentences.1.Atbirth,ababypandaisabout___to___kilos.

2.Atbirth,ababypandaisabout___

cmlong.

3.Ababypandaisnotblack.Itis____andithasno_____.4.Apandacanliveupto___to___years.0.10.215pinkteeth20301cListenandrepeat.ThenreadbyyourselfTeacher:Doyouhaveanyquestionsaboutbabypandas?Boy1:Aretheymuchsmallerthananadultpanda?Teacher:Yes.Whenthey’reborn,theyonlyweightabout0.1to0.2kilos.Boy1:Wow,that’ssmall!Iknowanadultpandaweightsmanytimesmorethanababy.Teacher:That’sright.Andtheadultpandasweightaround100kilos.Boy2:Whataboutthesizeofababypanda?Howsmallisit?Girl1:Atbirth,it’sonlyaround15cmlong,butanadultpandaisaround150cmlong.Girl1:Isababypandaalsoblackandwhite?Teacher:No,youwouldneverguess!Ababypandaispinkanditcannotsee.Italsodoesn’thaveanyteeth.Girl1:Howlongcanpandalive?Teacher:Theycanliveupto20to30years.Readagainandcompletetheconversation.A:____________________________________.B:Babypandasisabout0.1to0.2kilos.A:_____________________________________.B:Atbirth,it’saround15cmlong.A:Whataboutadultpandas?B:____________________________________.A:Isababypandaalsoblackandwhite?B:No,itisn’t.___________________________.A:Doesababypandahaveanyteeth?B:____________________________________A:Howlongcanpandaslive?B:_____________________________________.Howheavyarebabypandas?Howsmallisababypanda?Theyarearound150cmlong.It’spink.No,theydoesn’thaveanyteeth.

Theycanliveupto20to30years.1dTaketurnstellingyourclassmatesaboutpandas.A:Ababypandacannotsee.B:Anadultpandaweighsmanytimesmorethanababypanda.C.Babypandasisabout0.1to0.2kilos.D……………….E…………….Aforeignfriendwantstoknowsomethingaboutpanda.Canyouintroducesomethingaboutpandatohim?weightcolorageAtbirth,ababypanda…Whenitgrowsup,anadultpanda…0.1-0.2100pinkblackandwhite20-3015cm150cmteethnoteethhasteethsightcan’tseecanseesize1dTaketurnstellingyourclassmatesaboutpand