Unit4SectionB(1a2d)课件-人教版八年级英语上册

AmazingPlantsandAnimalsUNIT4SectionB(1a-2d)1.graspsomekeywordsandexpressions,likewithout,imagine,disappointed,pollination,pollen,store,communicate,protect,important,beconnectedwith/to,infact,forthisreason,inorderto,playapart(insth.),behometosb./sth.2.learntousethesuperlativestodescribebees.3.discusstheconnectionbetweenplants,animals,andourlives.4.explorewhyplantsandanimalsareimportanttous.NewWords

connectconnectedn.联系；连接adj.连接的；相关的beconnectedwith/toconnection与……相连；有关联v.关联；连接Scientists

connect

thedeclineofbeestofewercrops,andthis

connection

showshowourfoodsupply

isconnectedto

thehealthofnature.

科学家将蜜蜂的减少与农作物减产联系起来，而这个关联表明了我们的食物供应是如何与自然界健康息息相关的。withoutimaginen.蜂蜜；亲爱的v.想象；猜想disappointedhoneyadj.失望的；沮丧的prep.没有；缺乏Imaginehowdisappointedwewouldbewithoutbees,becausewecouldhavenofruits,vegetables,orevenhoney.

想象一下如果没有蜜蜂我们会多么失望，因为我们可能就没有水果、蔬菜，甚至蜂蜜了。pollenpollinationn.行动；行为n.授粉infactaction确切地说；实际上n.花粉forthisreason出于这个原因Theactionofpollinationmovespollenfromflowertoflower;infact,forthisreason,beesareessentialformanyplantstogrow.

授粉的行为将花粉从一朵花传到另一朵花；事实上，正因为如此，蜜蜂对许多植物的生长至关重要。planetinordertov.贮存；存储n.百货商店；商店为了；以便honeycombstoren.蜂巢n.行星communicatev.交流；沟通Beescommunicatewitheachotherinordertofindthebestflowers,andtheystorethehoneyinahoneycomb,whichisimportantforourplanet.

蜜蜂相互交流以便找到最好的花朵，它们把蜂蜜储存在蜂巢里，这对我们的地球很重要。ecosystemplayapart(insth)v.保护；防护importanceprotectn.重要性n.生态系统参与某事Beesplayapartintheecosystembyhelpingflowersgrow,whichiswhywemustprotectthemandunderstandtheirimportance.

蜜蜂通过帮助花朵生长在生态系统中发挥作用，这就是为什么我们必须保护它们并理解它们的重要性。titlehumann.蚂蚁behometosb/sthant有……栖息；是……的家乡

n.标题；题目；名称n.人adj.人的；人类的Thetitleofourscienceprojectisabouthowonehumangardencanbehometothousandsofantsandbees.

我们科学项目的标题是关于一个人类的花园如何能成为成千上万蚂蚁和蜜蜂的家园。LookandshareWhatIKnow?sixlegstwopairsofwingsliveinhivesmakehoney...

WhatIWanttoKnow?Howdotheymakehoney?Howdotheycommunicate?...

BeesLookatthetitleandthepicturesbelow.Guesswhatthetextisabout.1aMaybeit’saboutthatbeesareconnectedwithus.Howarebeesconnectedwithus?Readthepassagequicklyandthinkabout:Whatkindoftextdoyouthinkitis?Expositorytext(说明文),argumentativetext(议论文),ornarrativetext(记叙文)?Expositorytext,andit’sapopularscienceessay(科普文).Whoarethetargetreaders?说明文是以说明为主要表达方式来解说事物、阐明事理而给人知识的文章体裁。时态通常为一般现在时，人称以第二、三人称为主。在阅读和写作过程中要注意文章的科学性和条理性。Canyoudividethetextintoparts?IntroductionBodyConclusion

Readthetextandunderlinetheadjectivesthewriterusestodescribebees.hard-workingmostimportantmostinterestinginterestingimportantmostamazing1bHowdoyouunderstandthetitle?CarefulreadingReadthefirstparagraphandanswerthequestion:Whydowesay“WeCan’tLiveWithoutBees.”?Imagineyougotothesupermarketinyourarea,buttherearealmostnofruits,vegetables,honey,milk,eggs,orchocolate.Howwouldyoufeel?Disappointed?Angry?Sad?Atthismomentyourealizepeople,plants,andanimalsareallconnected.Weneedeachothertoliveandbeesareoneofthebestexamplesofthisconnection.Becausepeople,plants,andanimalsareallconnected.Weneedeachothertoliveandbeesareoneofthebestexamplesofthisconnection.Beesareveryhard-workinganimals,andtheirgreatestworkispollination.Ononetrip,theyoftenvisit50to100flowers.Astheyflyfromoneflowertoanother,theytakepollenwiththem.Thisactionhelpsplantsgrow.Infact,withouttheirwork,about80percentoftheplantsintheworldcannotgrow.Forthisreason,manyscientistsbelievethatbeesarethemostimportantanimalsonthisplanet.Readthesecondparagraphandcompletethemindmap.importance•theirgreatestwork:_________•visit_____________________•help____________________50to100flowersononetrippollinationplantsgrowReadagainandcompletethemindmapwiththeinformationfromthetext.1cBeesTip:UseNUMBERtoproveyourideas.Readagainandcompletethemindmapwiththeinformationfromthetext.Readthethirdparagraphandcompletethemindmap.•Theyworktogethertomaketheirhomes.Inordertostorehoney,theycreatehoneycombs.•Howtheycommunicate.Whenabeefindsnewfood,itusesadancetotelltheotherswhereandhowfarawaythefoodis.Beesarealsooneofthemostinterestinganimalsintheworld.Forexample,theyworkhardtogethertomaketheirhomes.Inordertostorehoney,theycreatehoneycombs.Anotherinterestingthingaboutbeesishowtheycommunicate.Whenabeefindsnewfood,itusesadancetotelltheotherswhereandhowfarawaythefoodis.1cinterestingfactsBeesReadagainandcompletethemindmapwiththeinformationfromthetext.Readthefourthparagraphandcompletethemindmap.problem•theirnumberis___________droppingBeesplayanimportantpartintheecosystemofourplanet.However,thenumberofbeesisdropping,andscientistsareworried.Beesneedourhelp,andthereisalotwecando.Thinkaboutwhatyoucandotoprotectoneofthemostamazinganimalsonearth.1cBeesDiscussthequestions.1.Canyougiveanothertitleforthetext?

LivewithoutBees?Impossible!BeesandusAnAmazingAnimal—TheBee.ImportantBees...1d2.Whatotherinterestingfactsdoyouknowaboutbees?Beeshavefiveeyes.Beescanrecognizehumanfaces.Differenttypesofbeeshavedifferentlifespans.Discussthequestions.1d3.Whatdoyouknowabouttheconnectionbetweenhumansandotherinsects,suchasantsandbutterflies?Discussthequestions.1dImagineyouarethewriter.Writeonemoreparagraphaboutbeesandaddittothetext.solution1eToprotectbees,weshouldtryourbest.First,plantcolourfulflowerslikesunflowerstoprovidefood.Andthenremembertoleavecleanwateroutsideforbeestodrink.Neverdisturbtheirhoneycombs.Finally,say“no”tochemicalsthathurtthem.Protectingbeesmeanssavingourplanet.Let’sactnow—everysmallstepcounts!Howdoyouunderstandtheconnectionbetweenplants,animals，andpeople?Thinkofsomeexamplesandthensharethemwithapartner.A:Weallknowpeopleandnatureareconnected.Butcanyougivemeanexampleofhowtheyareconnected?B:Sure.IvisitedasmalltowninGuangdongonce.Therearemanylargetreesinthetown,Theyarehometomanybirds.Alotoftouristscometoseethetreesandthebirds...1fbehometosb/sth有……栖息；是……的家乡FurtherthinkingWhatIHaveLearned?Ilearnedthattheyworktogetherto...Ilearnedthattheycommunicatebydancing......

Circletheoddones.Thengiveyourreasons.1.habit height size weight2.joy happiness fun enjoy3.angry disappointed smart sad4.appear look seem watch5.honey milk juice breadhappiness/ˈhæpinəs/n.幸福；快乐disappoint/ˌdɪsəˈpɔɪnt/v.使失望；使破灭2aodd/ɒd/adj.不同类的Ithink“habit”isoddbecausetheotherstalkaboutpeople’sappearance.Addtheendings-ance,-(t)ion,-ness,and-itytoformnouns.Useyourdictionary.1.act_________________ 2.good_________________

3.kind_________________ 4.appear_________________

5.real _________________ 6.imagine_________________

7.connect_________________ 8.popular_________________

9.communicate_________________ 10.important_________________actiongoodnesskindnessappearancerealityimaginationconnectionpopularitycommunicationimportance2bCompletethesentenceswiththecorrectformsofthewordsinthebox.1.Ifelt________________whenmyfavouriteflowersdied.2.Aftertherain,somemushrooms________________inthegarden.3.Inmyhometown,peopleoftenusebamboobasketsto________________food.4.Whatdidyouputinyourluggage?It________________aton.5.Ican’t________________mylifewithoutmypets.Theymeanalottome.appeardisappoint

imagine

store

weighdisappointedappearstoreweighsimagine/ˈmʌʃrʊm/n.蘑菇；伞菌ton/tʌn/n.吨2c

Completethepassagewiththecorrectformsofthewordsinthebox.Youmaynotrealizeit,butfrogsplayanimportantroleinour____________ecosystem.Thesmallestfrogsareaboutthesizeofapea,whilelargeronescangrowasbigasahumanhand.Manypeopleknowthatfrogshelpto____________farmsbyeatinginsects.____________,noteveryoneunderstandstheir____________innature.Frogscanliveon____________andinwater.Becauseofthis,theyarepopularsubjectsinstudiesonclimatechangeandtheecosystem.however

important

land

planet

protectplanet'sprotectHoweverimportanceland/rəʊl/n.作用；职能；角色playarole(in)在……中发挥作用；扮演角色pea/piː/n.豌豆/ˈklaɪmət/n.气候2d1.Howareplantsandanimalsconnectedwithus?植物和动物是怎样与我们相连的？connectv.关联；连接connectedadj.连接的；相关的connectionn.联系；连接beconnectedwith/to与……相连；与……有关联TheGPSonthebusisconnectedwiththetraffic–controlcenter.公交车上的GPS与交通控制中心相连。Languagepoints2.Imagineyougotothesupermarketinyourarea,buttherearealmostnofruits,vegetables,honey,milk,eggs,orchocolate.想象一下，你去你所在地区的超市，但几乎没有水果、蔬菜、蜂蜜、牛奶、鸡蛋或巧克力。imaginev.想象；猜想imagine+从句想象……imagine(sb)doingsth想象（某人）做某事imagine+n./pron.想象……Imagineyoucan’twalkoruseyourhandseasily.想象一下你不能自如地走也不能自如地使用双手。Canyouimagineswimmingwithadolphin?你能想象与海豚共游吗？Ican’timaginelifewithouttheInternet.我无法想象没有网络的生活。imaginationn.想象；想象力

Languagepoints

act(v.行动；表演)—action(n.行动；行为)

connect(v.关联；连接)—connection(n.联系；连接)

imagine(v.想象；猜想)—imagination(n.想象；想象力)

communicate(v.交流；沟通)—communication(n.交流)

protect(v.保护；防护)—protection(n.保护)

happy(adj.快乐的)—happiness(n.幸福；快乐)

disappoint(v.使失望；使破灭)–disappointed(adj.失望的；沮丧的)词缀学习3.-tion

表示动作、状态，名词后缀-ness名词后缀-ed形容词后缀你还知道哪些后缀呢？Languagepoints.4.Infact,withouttheirwork,about80percentoftheplantsintheworldcannotgrow.事实上，没有他们的工作，世界上大约80%

的植物无法生长。percentn.百分之……adj.&adv.每一百中①Seventypercentofteachersinourschoolarewomenteachers.我们学校70%的教师是女教师。②ThirtypercentofthepopulationspeaksEnglishasasecondlanguage.30%的人口将英语作为第二语言来说。

主谓一致主谓一致Languagepoints5.Inordertostorehoney,theycreatehoneycombs.

为了储存蜂蜜，它们会建造蜂巢。

Inordertohelpstudentstomakeprogress,mostteachersarestrictwiththem.为了帮助学生取得进步，大多数老师对他们要求严格。inordertodosth.为了；以便拓展：Iworkedhardinordertogetgoodgrades.=IworkedhardinorderthatIcouldgetgoodgrades.我努力学习以便取得好成绩。Languagepointsinordhertat+从句

为了...6.Anotherinterestingthingaboutbeesishowtheycommunicate.蜜蜂的另一个有趣之处是它们怎样交流。communicatewithsb和某人交流communicatev.交流；沟通communicationn.交流Ithinkthatit’simportanttocommunicatewithparents.我认为和父母沟通是很重要的。Inmyopinion,face–to–facecommunicationismoreeffective.在我看来，面对面交流更有效。Languagepoints7.Beesplayanimportantpartintheecosystemofourplanet.蜜蜂在我们星球的生态系统中发挥着重要作用。playapart(insth)参与某事①Everyoneshouldplayapartinsavingtheearth.每一个人都应该尽

一份力来拯救地球。②Moreandmorepeoplejoinedhertoplayapartinenvironmentalprotection.越来越多的人加入她的行列，参与环境保护。Tips:

①playapartin+v.-ing/n.②意为“参与”时的同义短语为takepartinLanguagepointsplayarole(in)在……中发挥作用；扮演角色①Frogsplayanimportantroleinourplanetecosystem.青蛙在我们地球生态系统中扮演着重要角色。②Friendsplayanimportantrole/partinourlives.朋友在我们的生活中起着重要作用。playapartin与playarolein是近义词组，强调“在……中发挥作用”时可以互换。Languagepointsprotect…from/against…保护……免于……protectv.保护；防护protectionn.保护Thisumbrellawillprotectyourskinfromtheburningsun.这把伞可以保护您的皮肤免受烈日的伤害。Inshort,selfprotectionisimportanttous.简而言之，自我保护对我们很重要。8.Thinkaboutwhatyoucandotoprotectoneofthemostamazinganimalsonearth.想想您可以做些什么来保护地球上最神奇的动物之一。Languagepoints1.Beeshelpplantsgrowthrough__________(授粉).2.Antsplayanimportantroleinthe__________(生态系统).3.Weshould

__________(保护)animalsontheplanet.4.__________(想象)whattheworldwouldbelikewithoutplants!.5.Beesusehoneycombsto___________(储存)honey.pollinationecosystemprotectImaginestore根据汉语提示和语境完成句子。Beesareoneof__________________(interesting)animalsintheworld.Howareplantsandanimals______________(connect)withus?Ifelt______________(disappoint)whenmyfavouriteflowersdied.Theyteachyouhowtoplanyourtimewellorhowtofind___________(happy).Weshouldunderstandthe___________(important)oflabor.connecteddisappointedhappinessimportancethemostinteresting4.如果你想上网,你的电脑应该连接到互联网。Yourcomputershould_______________________t