Unit4SectionB(1a1f)课件人教版英语八年级上册

AmazingPlantsandAnimalsUnit4SectionB(1a-1f)Bytheendofthislesson,wewillbeableto：1.understandthegeneralideaofthearticleandgetthebasicstructureofthearticle.2.introducetheimportanceofbeesbasedonstructuredknowledge.3.realizetheeducationalandculturalvalueofprotectinganimals.

LearningObjectivesWatchavideoWhat’sitabout?Howmanykindsofbeesarethereinahoneycomb?Whatarethey?QueenBeeWorkerBeeAskandanswerDrone1aLookatthetitleandthepicturesbelow.Guesswhatthetextisabout.Itmaybeaboutthebees.Itmaybeabouttheimportanceofbeesinnatureaccordingtothetitle.Pre-readingWeCan’tLiveWithoutBeesImagineyougotothesupermarketinyourarea,buttherearealmostnofruits,vegetables,honey,milk,eggs,orchocolate.Howwouldyoufeel?Disappointed?Angry?Sad?Atthismomentyourealizepeople,plants,andanimalsareallconnected.Weneedeachothertolive,andbeesareoneofthebestexamplesofthisconnection.Beesareveryhard-workinganimals,andtheirgreatestworkispollination.Ononetrip,theyoftenvisit50to100flowers.Astheyflyfromoneflowertoanother,theytakepollenwiththem.Thisactionhelpsplantsgrow.Infact,withouttheirwork,about80percentoftheplantsintheworldcannotgrow.Forthisreason,manyscientistsbelievethatbeesarethemostimportantanimalsonthisplanet.Beesarealsooneofthemostinterestinganimalsintheworld.Forexample,theyworkhardtogethertomaketheirhomes.Inordertostorehoney,theycreatehoneycombs.Anotherinterestingthingaboutbeesishowtheycommunicate.Whenabeefindsnewfood,itusesadancetotelltheotherswhereandhowfarawaythefoodis.Beesplaysanimportantpartintheecosystemofourplanet.However,thenumberofbeesisdropping,andscientistsareworried.Beesneedourhelp,andthereisalotwecando.Thinkaboutwhatyoucandotoprotectoneofthemostamazinganimalsonearth.Readthetextquicklyandanswerthequestions.1.What’sthestructureofthetext?A.B.C.WeCan’tLiveWithoutBeesImagineyougotothesupermarketinyourarea,buttherearealmostnofruits,vegetables,honey,milk,eggs,orchocolate.Howwouldyoufeel?Disappointed?Angry?Sad?Atthismomentyourealizepeople,plants,andanimalsareallconnected.Weneedeachothertolive,andbeesareoneofthebestexamplesofthisconnection.Beesareveryhard-workinganimals,andtheirgreatestworkispollination.Ononetrip,theyoftenvisit50to100flowers.Astheyflyfromoneflowertoanother,theytakepollenwiththem.Thisactionhelpsplantsgrow.Infact,withouttheirwork,about80percentoftheplantsintheworldcannotgrow.Forthisreason,manyscientistsbelievethatbeesarethemostimportantanimalsonthisplanet.Beesarealsooneofthemostinterestinganimalsintheworld.Forexample,theyworkhardtogethertomaketheirhomes.Inordertostorehoney,theycreatehoneycombs.Anotherinterestingthingaboutbeesishowtheycommunicate.Whenabeefindsnewfood,itusesadancetotelltheotherswhereandhowfarawaythefoodis.Beesplaysanimportantpartintheecosystemofourplanet.However,thenumberofbeesisdropping,andscientistsareworried.Beesneedourhelp,andthereisalotwecando.Thinkaboutwhatyoucandotoprotectoneofthemostamazinganimalsonearth.Imagineyougotothesupermarketinyourarea,buttherearealmostnofruits,vegetables,honey,milk,eggs,orchocolate.Howwouldyoufeel?Disappointed?Angry?Sad?Atthismomentyourealizepeople,plants,andanimalsareallconnected.Weneedeachothertolive,andbeesareoneofthebestexamplesofthisconnection.Thinkaboutwhattheauthor’swritingtrainofthought(写作思路)is.First,divideitintothreeparagraphs,andmatchthem.Para.1

Situationhypothesis(情景假设)Elicitemotions(引发情感)Introducethetheme(引出主题)Whichsentenceisthetext’stheme?Imagineyougotothesupermarketinyourarea,buttherearealmostnofruits,vegetables,honey,milk,eggs,orchocolate.Howwouldyoufeel?Disappointed?Angry?Sad?Atthismomentyourealizepeople,plants,andanimalsareallconnected.Weneedeachothertolive,andbeesareoneofthebestexamplesofthisconnection.Thinkaboutwhattheauthor’swritingtrainofthought(写作思路)is.First,divideitintothreeparagraphs,andmatchthem.Para.1

What’sthefunction(作用)ofthissentence?Serveasaconnectinglinkbetweentheprecedingandthefollowing.承上启下Para.2Astheyflyfromoneflowertoanother,theytakepollenwiththem.Thisactionhelpsplantsgrow.Beesareveryhard-workinganimals,andtheirgreatestworkispollination.Ononetrip,theyoftenvisit50to100flowers.Astheyflyfromoneflowertoanother,theytakepollenwiththem.Thisactionhelpsplantsgrow.Infact,withouttheirwork,about80percentoftheplantsintheworldcannotgrow.Forthisreason,manyscientistsbelievethatbeesarethemostimportantanimalsonthisplanet.Whydoscientistsbelievethatbeesarethemostimportantanimalsonthisplanet?Becausewithouttheirwork,about80percentoftheplantsintheworldcannotgrow.Underlinetheadjectivesthewriterusestodescribebees.Howdobeeswork?Para.3Inordertostorehoney,theycreatehoneycombs.Beesarealsooneofthemostinterestinganimalsintheworld.Forexample,theyworkhardtogethertomaketheirhomes.Inordertostorehoney,theycreatehoneycombs.Anotherinterestingthingaboutbeesishowtheycommunicate.Whenabeefindsnewfood,itusesadancetotelltheotherswhereandhowfarawaythefoodis.Underlinetheadjectivesthewriterusestodescribebees.Whydotheycreatehoneycombs?Para.4Thenumberofbeesisdropping.Beesplayanimportantpartintheecosystemofourplanet.However,thenumberofbeesisdropping,andscientistsareworried.Beesneedourhelp,andthereisalotwecando.Thinkaboutwhatyoucandotoprotectoneofthemostamazinganimalsonearth.Underlinetheadjectivesthewriterusestodescribebees.Whatarescientistsworriedabout?1cReadagainandcompletethemindmapwiththeinformationfromthetext.Twostudentsinagroupretelltoeachotherthebeesbyusingthemind-map.Beesproblem•theirgreatestwork:______________•visit______________________•help_________________•theirnumberis_____________•_____________________________________________________•___________________________________pollination50to100flowersplantsgrowTheyworkhardtogethertomaketheirhomes.Howtheycommunicate.droppingimportanceinterestingfactsWhatcanwedotoprotectbees?Wecanprotectthebees’environment.Wecanraiseawareness(提高意识)oftheimportanceofbees.Wecanreducetheenvironmentalpollution(减少环境污染).Weallsharethesameroof.我们共享同一片天空。Wedependononeanother.我们互相依靠。1dDiscussthequestions.1.Canyougiveanothertitleforthetext?TheVitalRoleofBeesinOurLives2.Whatotherinterestingfactsdoyouknowaboutbees?Beeshaveawell-organizedsociety.Therearedifferentkindsofbees,likethequeenbee,workerbeesanddrones,andeachhasitsownjob.Thequeenbeecanliveforafewyears,butworkerbeesusuallyonlyliveforafewweekswhentheyarereallybusy.Also,beescanfeeltheearth'smagneticfield.Thishelpsthemfindtheirwaybacktotheirhivesevenwhentheyflyfarawaytolookforfood.1dDiscussthequestions.3.Whatdoyouknowabouttheconnectionbetweenhumansandotherinsects,suchasantsandbutterflies?Ants:Antsarehelpfultoplants.Whentheydigholesinthesoil,theymakeitloosersothatplantrootscangrowbetter.Insomeplaces,peopleeveneatantsbecausetheyarefullofprotein.Forexample,inpartsofSouthAmericaandAfrica,someantsareakindoffood.Also,someantsandplantsaregoodpartners.Forinstance,acaciaantsliveinacaciatrees.Theyprotectthetreesfromanimalsthatwanttoeatthetrees,andinreturn,thetreesgivethemfoodandaplacetolive.1dDiscussthequestions.3.Whatdoyouknowabouttheconnectionbetweenhumansandotherinsects,suchasantsandbutterflies?Butterflies:Justlikebees,butterflieshelpflowersalot.Theylikebrightly-colouredflowers.Whentheydrinknectarfromtheflowers,theycarrypollenfromoneflowertoanother.Butterfliesarealsoimportantinthefoodchain.Manybirds,smallanimalsandotherinsectsliketoeatthem.Andtheirlifecycle,whichisfromeggtocaterpillar(larva),thentochrysalis(pupa)andfinallytobutterfly(adult),isreallyinteresting.Ithelpsuslearnaboutmetamorphosis.1eImagineyouarethewriter.Writeonemoreparagraphaboutbeesandaddittothetext.Beesalsohaveaveryspecialabilitytoremember.Theycanrememberthelocation,shape,colourandsmellofflowers.Thishelpsthemfindthebest-tastingnectarandpollenmoreefficiently.Forexample,iftheyfindacertainkindofflowerthathassweetnectar,theywillrememberitscharacteristicsandcomebacktoitagainandagain.Sadly,asweknow,thenumberofbeesisdropping.Butwecandomoretohelpthem.Wecanplantmorebee-friendlyflowersinourgardensorschoolyards.Theseflowersnotonlyprovidefoodforbeesbutalsomakeoursurroundingsmorebeautiful.Also,wecanspreadthewordabouttheimportanceofbeestoourfriendsandfamily.Themorepeopleknowaboutbees,themoretheywillbewillingtoprotectthem.Let'sallworktogethertoensurethattheseamazinglittlecreaturescancontinuetoplaytheirimportantroleinourworld.1fHowdoyouunderstandtheconnectionbetweenplants,animals,andpeople?Thinkofsomeexamplesandthensharethemwithapartner.Sure.IvisitedasmalltowninGuangdongonce.Therearemanylargetreesinthetown.Theyarehometomanybirds.Alotoftouristscometoseethetreesandthebirds...Weallknowpeopleandnatureareconnected.Butcanyougivemeanexampleofhowtheyareconnected?ShowtimeChecklistStarsLanguage(语言正确)Pronunciation(发音标准)Bodylanguage(使用肢体语言)Creation(有创意)Excellent

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GoodFollowthelawofinterdependenceofallthingsinnature.Let'sstartfromourselvestoprotectbeesandsafeguardtheecologicalbalance.遵循自然界万物相互依存的法则，保护蜜蜂、守护生态平衡从我们做起。1.Atthismomentyourealizepeople,plants,andanimalsareallconnected.beconnectedwith意为“与……有联系”,表示两者之间存在某种关联或联系。常见例句：Ourhealthisconnectedwithoureatinghabits.我们的健康与饮食习惯有关。Languagepoints2.Infact,withouttheirwork,about80percentoftheplantsintheworldcannotgrow.without短语表示条件，相当于一个虚拟条件句。without短语可置于句首或句中，表示“如果没有……”。“80percentof+名词”作主语时，谓语动词的单复数取决于名词的单复数。常见例句：Withoutwater,alllivingthingswoulddie.如果没有水，所有生物都会死亡。Languagepoints3.Beesplayanimportantpartintheecosystemofourplanet.playanimportantpartin意为“在……中起重要作用”,表示在某个领域、活动或过程中具有重要的地位和影响力，in后跟名词或

动名词。常见例句：Teachersplayanimportantpartinourstudy.老师在我们的学习中起着重要作用。Languagepoints一、单项选择()1.Wecan'tlive____beesbecausetheyplayanimportantpartinplantgrowth.A.withB.withoutC.ofD.for()2.____,heisveryhard-workingandalwaysgetsgoo