Unit4SectionB1a–1f课件人教版八年级英语上册

SectionB1a–1fUnit4AmazingPlantsandAnimalsHowareplantsandanimalsconnectedwithus?/kə'nektɪd/adj.连接的Warm-upWhichletter(字母)isananimal?It'sBee!Here’sanarticleaboutme!Lead-inWhatamIdoing?Pre-readingpollination/ˌpɒləˈneɪʃn/n.授粉Thebeeisgivingpollen

toaflower.Thisactionhelpsitgrow./ˈpɒlən/n.花粉/ˈækʃən/n.行为Look!That’smyhome.Beesworkhardtogethertomakethehoneycombinorderto

storetheirhoneyandeggs./stɔː(r)/v.储存honeycomb/ˈhʌnikəʊm/n.蜂巢；蜂窝/ˈhʌni/n.蜂蜜Pre-reading为了；以便Lookatthetitleandthepicturesbelow.Guesswhatthetextisabout.Pre-reading/wɪˈðaʊt/

没有1aTheimportanceofbeesinourlifeThefactsaboutbeesTheconnectionbetweenhumansandbees/ɪm'pɔːrtns/n.重要性/kə'nekʃn/n.联系Tip1Wecanguessthemainideabythetitleandpicturesofthetext.While-readingReadthetextquicklyandmatchthemainideaofeachparagraph.Interestingfactsaboutbees.Beesneedourhelp.Bees'greatestworkispollination.Beesareanexampleofconnectionamongpeople,plantsandanimals.Interestingfactsaboutbees.While-readingReadPara.1andchoosetherightanswer.Howdoesthewriterstartthispassage?A.Bytellingstories.B.Bycomparingtwothings.C.Bydescribingascene(场景)andaskingaquestion.Whydoesthewriterdescribethesceneofanemptysupermarketandaskthequestionsaboutfeelings?Toshowthatpeople,plantsandanimalsareall

andbeesare

toourlife.connectedimportantWhile-readingIt’stimetoreadformyquestions!WhatamIlike?WhyamIimportanttohumans?Whatinterestingfactsdoyouknowaboutme?WhatproblemamIfacing?While-readingWhatamIlike?ReadPara.2-4andunderlinetheadjectivesthewriterusestodescribebees.hard-wokingmostinterestingmostamazingLet’suseamindmaptoanswerthebee’sother3questions.While-readingReadagainandcompletethemindmapwiththeinformationfromthetext.WhyamIimportanttohumans?Whatinterestingfactsdoyouknowaboutme?WhatproblemamIfacing?1cWhile-readingReadPara.2andfillintheblanks.WhyamIimportanttohumans?pollinalion50to100flowersononetripplantsgrowWhy?beeshumansplantspercent=percent[pə'sent]v.百分之...While-readingReadPara.3andfillintheblanks.Whatinterestingfactsdoyouknowaboutme?workhardtogethertomakehomesandcreatehoneycombstostorehoneytheyuseadancetocommunicate[kəˈmjuːnɪkeɪt]v.交流；沟通Whatotherinterestingfactsdoyouknowaboutbees?While-readingReadPara.4andfillintheblanks.WhatproblemamIfacing?droppingWhyisthenumberofbeesdropping?[ˈiːkəʊsɪstəm]n.生态系统Habitatdestruction栖息地的破坏Climatechanges气候变化Virusattacks病毒攻击Chemicalabuse化学药物滥用ThinkWhatcanwedotoprotectbees?Habitatdestruction栖息地的破坏Climatechanges气候变化Virusattacks病毒攻击Chemicalabuse化学药物滥用Grownative(本地的)flowersinthegardenoronthebalcony(阳台).Also,helpprotectgrasslandssobeeshaveplacestolive.Takebusesmoreinsteadofcars,andturnofflightswhennotusingthem.Thiscutsdownonpollution(污染)andhelpskeeptheclimategoodforbees.Don’tbringbeesfromotherplacestoourarea(theymayhaveviruses).Supportbeekeepers(养蜂人)whoraisehealthybees.Buyvegetablesandfruitsgrownwithoutstrongchemicals.Anddon’tusechemicalsprays(化学喷雾剂).Post-readingTip2Learntousethemindmaptohelpyouunderstandapassagebetter.Post-readingCompletetheretellingwiththemindmap.Thenretellbyyourself.Beesplayanimportantpartintheecosystemofour________.Theirgreatestworkis__________.Whentheyfly,theyvisit50to100flowersononetripandtake______.Thisactionhelpsplantsgrow.Therearetwointerestingfactsaboutbees.Theyworkhardtogethertomaketheirhomesandcreate_____________tostorehoney.Whenabeefindsfood,itusesadanceto____________.However,the________ofbeesisdropping.Weneedto________theseamazinganimals,becausewecan’tlive________

them.pollinationhoneycombscommunicatenumberprotectplanetpollenwithoutRetellingDiscussionPost-reading1.Canyougiveanothertitle(标题)forthetext?WhyAreBeesImportant?AmazingBeesWeNeedBeestoLive!...TheMostImportantAnimalonthePlanetNoBees,NoOurWorldDiscussionPost-reading2.Whatdoyouknowabouttheconnectionbetweenhumansandotherinsects(昆虫),suchasantsandbutterflies?Antshelpcleanupdeadthingsandsmallgarbage.Andtheymakehomestohelpplantsgrowbetter.Butterflieshelpflowersgrowbypollinatingthem.Sowecangetmorefruits.Spiders(蜘蛛)eatbugs(虫子)andstopbugsfromhurtingus.Dragonflies(蜻蜓)eatmosquitoes（蚊子）sowedon’tgetsickeasily.1ePost-readingImagineyouarethewriter.Writeonemoreparagraphaboutbeesandaddittothetext.importanceinterestingfactsproblemHowcanwehelpthebees?...However,thenumberofbeesisdropping,andscientistsareworried.Beesneedourhelp,andthereisalotwecando...introduction1ePost-readingImagineyouarethewriter.Writeonemoreparagraphaboutbeesandaddittothetext.Howcanwehelpthebees?Inordertoprotectbees,wecandoasfollows.First,helpbeeshavehomes.Grownativeflowerslikecloverinthegardenoronthebalcony.Also,helpprotectgrasslands.Second,keeptheclimategood.Takebusesmore,notcars.Turnofflightswhenwedon’tusethem.Thiscutspollution.Third,stopviruses.Neverbringbeesfromotherplaces—theymayhaveviruses.Supportbeekeeperswhoraisehealthybees.Finally,avoidharmfulchemicals.Buyfruitsandvegetableswithnostrongchemicals.Don’tusechemicalsprays.Let’stakeactionnowtoprotectbees!1fPost-readingHowdoyouunderstandtheconnectionbetweenpeople,plants,andanimals?Thinkofsomeexamplesandthensharethemwithapartner.A:Weallknowpeopleandnatureareconnected.Butcanyougivemeanexampleofhowtheyareconnected?B:Sure.IvisitedasmalltowninGuangdongonce.Therearemanylargetreesinthetown.Theyarehometomanybirds.Alotoftouristscometoseethetreesandthebirds…1fPost-readingHowdoyouunderstandtheconnectionbetweenpeople,plants,andanimals?Thinkofsomeexamplesandthensharethemwithapartner.C:Whensomefarmersgrowriceinspring,theyputsmallfishintothericefieldtoo.Thefisheatpestsandgrass,sothericeplantscangrowbetter.Insummer,farmersgetbothriceandbigfish.

D:

Somefarmersraisecowsandletcowseatfreshgrass.Grasshelpscowsgrowandmakegoodmilk.Thenpeoplegetmilkandevenmeatfromcows.LanguagepointsImagineyougotothesupermarketinyourarea,buttherearealmostnofruits,vegetables,honey,milk,eggs,orchocolate.Howwouldyoufeel?Disappointed?Angry?Sad?Atthismomentyourealizepeople,plants,andanimalsareallconnected.Weneedeachothertolive,andbeesareoneofthebestexamplesofthisconnection.v.想象；猜想adj.

失望的n.

联系→v.connectbedisappointedwith/atsth对某事感到失望adj.连接的；相关的beconnectedwith与……相连；与……有关联Theoldbuildinghasbeenconnectedwithourfamilyfordecades.（这座老房子几十年来一直和我们家有关联。）Agoodstudentoftenconnectswhatheislearningwithhispastexperiences.（好学生常常把正在学的知识和过去的经验联系起来。）Beesareveryhard-workinganimals,andtheirgreatestworkispollination.Ononetrip,theyoftenvisit50to100flowers.Astheyflyfromoneflowertoanother,theytakepollenwiththem.Thisactionhelpsplantsgrow.Infact,withouttheirwork,about80percentoftheplantsintheworldcannotgrow.Forthisreason,manyscientistsbelievethatbeesarethemostimportantanimalsonthisplanet.n.行动；行为确切地说；实际上n.百分之……出于这个原因n.行星percent=percent：通常作名词，意为“百分之……”，符号是%。常与“数字”搭配，结构为“数字+percent”（数字无论大小，percent都用原形，不加s）。后接“of+名词”，表示“……中的百分之……”，谓语动词单复数由of后的名词决定。Thirtypercentofthestudentslikemath.（30%的学生喜欢数学。）Onehundredpercentofthewaterisclean.（100%的水是干净的。）Tenpercentoftheapplesarebad.（10%的苹果是坏的。）Beesarealsooneofthemostinterestinganimalsintheworld.Forexample,theyworkhardtogethertomaketheirhomes.Inordertostorehoney,theycreatehoneycombs.Anotherinterestingthingaboutbeesishowtheycommunicate.Whenabeefindsnewfood,itusesadancetotelltheotherswhereandhowfarawaythefoodis.v.交流为了；以便v.贮存；存储“Communicatewithsomebody”

是常用短语，意为“与某人交流/沟通”，指通过语言、文