人教八上英语Unit+4+Amazing+Plants+and+Animals+Section+B(1a-1f)课件

Unit4AmazingPlantsandAnimalsSectionBHowareplantsandanimalsconnectedwithus?Reading1a-1f

1Lead-inThinkandshareWhatanimalsareimportanttoourdailylives?animalsbee（蜜蜂）honeycow（奶牛）milkchicken（鸡）eggsandmeatdog（狗）guardthehousehorse（马）transportationearthworm（蚯蚓）improvesoilquality...

2Pre-reading

Lookatthetitleandthepicturesbelow.Guesswhatthetextisabout.1awithout/wɪˈðaʊt/prep.没有；缺乏

3While-reading(Fastreading)

Readthetextandunderlinetheadjectivesthewriterusestodescribebees.1bhard-workingmostimportantmostinterestinginterestingimportantmostamazing

3While-reading(Carefulreading)Part1.

Readagainandcompletethemindmapwiththeinformationfromthetext.1bBees●theirgreatestwork:_____________________●visit:________________________________●help:________________________________●theirnumberis:_____________________●_______________

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_______________importanceprobleminterestingfactspollination50to100flowersononetripplantsgrowdroppingTheyworkhardtogethertomaketheirhomes.Theycreatehoneycombstostorehoney.Theyuseadancetocommunicatewhereandhowfarawaythefoodiswhentheyfindnewfood.importance/ɪmˈpɔːtns/n.重要性Imagineyougotothesupermarketinyourarea,buttherearealmostnofruits,vegetables,honey,milk,eggs,orchocolate.Howwouldyoufeel?Disappointed?Angry?Sad?Atthismomentyourealizepeople,plants,andanimalsareallconnected.Weneedeachothertolive,andbeesareoneofthebestexamplesofthisconnection.Part2.Let’slearn!Paragraph1connect/kəˈnekt/v.关联；连接/kəˈnektɪd/adj.连接的；相关的/kəˈnekʃn/n.联系；连接beconnectedwith/to与……相连；与……有关联disappointed/ˌdɪsəˈpɔɪntɪd/adj.失望的；沮丧的/ɪˈmædʒɪn/v.想象；猜想Beesareveryhard-workinganimals,andtheirgreatestworkispollination.Ononetrip,theyoftenvisit50to100flowers.Astheyflyfromoneflowertoanother,theytakepollenwiththem.Thisactionhelpsplantsgrow.Infact,withouttheirwork,about80percentoftheplantsintheworldcannotgrow.Forthisreason,manyscientistsbelievethatbeesarethemostimportantanimalsonthisplanet.Paragraph2/ˌpɒləˈneɪʃn/n.授粉as,连词，当......时候pollen/ˈpɒlən/n.花粉/ˈækʃn/n.行动；行为确切地说；实际上/pə

ˈsent/(=percent)n.百分之……adj.&adv.每一百中出于这个原因/ˈplænɪt/n.行星Beesarealsooneofthemostinterestinganimalsintheworld.Forexample,theyworkhardtogethertomaketheirhomes.Inordertostorehoney,theycreatehoneycombs.Anotherinterestingthingaboutbeesishowtheycommunicate.Whenabeefindsnewfood,itusesadancetotelltheotherswhereandhowfarawaythefoodis.Paragraph3为了；以便/stɔː(r)/v.贮存；存储n.百货商店；商店/ˈhʌnikəʊm/n.蜂巢/kəˈmjuːnɪkeɪt/v.交流；沟通Beesplay

animportantpartintheecosystemofourplanet.However,thenumberofbeesisdropping,andscientistsareworried.Theyneedourhelp,andthereisalotwecando.Thinkaboutwhatyoucandotoprotectoneofthemostamazinganimalsonearth.Paragraph4playapart(insth)参与某事/ˈiːkəʊsɪstəm/n.生态系统/prəˈtekt/v.保护；防护

4Post-readingPart1.

Discussthequestions.1b1.Canyougiveanothertitleforthetext?TheVitalRoleofBeesinOurWorldBees:EssentialtoLifeonEarthWhyBeesMattertoUs...Question1title/ˈtaɪtl/n.标题；题目；名称

Question22.Whatotherinterestingfactsdoyouknowaboutbees?Beeshavefiveeyes.Theyhavetwolargecompoundeyesonthesidesoftheirheadandthreesmallsimpleeyes(ocelli)onthetopoftheirhead,whichhelpthemdetectlightandnavigate.Differenttypesofbeeshavedifferentlifespans.Forexample,workerbeesusuallyliveforafewweeksduringthebusysummermonths,whilethequeenbeecanliveforseveralyears.Beescanrecognizehumanfaces.Theyusetheirvisualandolfactorysensestodistinguishdifferenthumanfeatures.Question33.Whatdoyouknowabouttheconnectionbetweenhumansandotherinsects,suchasantsandbutterflies?Foodsource:

Antscanbebothbeneficialandharmfultohumans.Someantshelpcontrolpestsingardensbypreyingonsmallinsects,whichindirectlybenefitshumanagricultureandhorticulture.Ontheotherhand,someantscandamagecropsorinvadehomesinsearchoffood,causinginconveniencetohumans.Ecosystembalance:

Theyplayaroleinsoilaerationastheydigtunnels,whichhelpsimprovesoilstructureandallowsplantrootstogrowbetter.Thisisbeneficialforhuman-relatedplantcultivation.Antshuman/ˈhjuːmən/n.人adj.人的；人类的ant/ænt/n.蚂蚁Question33.Whatdoyouknowabouttheconnectionbetweenhumansandotherinsects,suchasantsandbutterflies?Pollination:

Likebees,butterfliesareimportantpollinators.Theytransferpollenfromoneflowertoanotherwhilefeedingonnectar,whichhelpsplantsreproduce.Thisiscrucialforthegrowthofmanyplantsthathumansrelyonforfood,medicine,andornamentalpurposes.Indicatorspecies:Theirpresenceorabsencecanindicatethehealthofanecosystem.Adeclineinbutterflypopulationsmaysignalenvironmentalproblemssuchaspollutionorhabitatloss,whichalsoultimatelyaffectshuman-livingenvironments.butterfliesPart2.

Imagineyouarethewriter.Writeonemoreparagraphaboutbeesandaddittothetext.1eTherearemanywayswecando.First,wecanplantbee-friendlyflowersandplantsinourgardensorbalconies.Theseprovidebeeswithnectarandpollen.Second,avoidusingpesticidesastheycanharmbees.Instead,trynaturalpest-controlmethods.Finally,spreadtheword!Letmorepeopleknowtheimportanceofbeesandencouragethemtojoininprotectionefforts.ForexamplesolutionPart2.

Howdoyouunderstandtheconnectionbetweenpeople,plants,andanimals?Thinkofsomeexamplesandthensharethemwithapartner.1fA:Weallknowpeopleandnatureareconnected.Butcanyougivemeanexampleofhowtheyareconnected?B:Sure.IvisitedasmalltowninGuangdongonce.Therearemanylargetreesinthetown.Theyarehometomanybirds.Alotoftouristscometoseethetreesandthebirds…behometosb/sth有……栖息；是……的家乡ForexampleA:Weallknowpeopleandnatureareconnected.Butcanyougivemeanexampleofhowtheyareconnected?B:Sure.Inmyhometown,there'sabiglake.Thelakeishometolotsoffish.The

plantsaroundthelakeprovideoxygenandfoodforthefish.Peoplegofishingthere.Also,wegetfreshairfromtheplants.So,people,plants,andanimalsallrelyoneachother.LanguagePoints!1.Atthismomentyourealizepeople,plants,andanimalsareallconnected.在这一刻，你意识到人、植物和动物都是相互关联的。(1)connect/kəˈnekt/v.关联；连接(2)connected/kəˈnektɪd/adj.连接的；相关的(3)beconnectedwith/to与……相连；与……有关联connectAwith/toB把A与B连接起来；使A和B有联系例如：Themanwasconnectedwiththetheft.这个人与这起盗窃案有关。Weshouldconnecttheorywithpractice.我们应该把理论和实践联系起来。(4)connection/kəˈnekʃn/n.联系；连接LanguagePoints!2.Astheyflyfromoneflowertoanother,theytakepollenwiththem.当它们从一朵花飞到另一朵花时，会随身携带花粉。as是连词，引导时间状语从句，表示“当……时；随着”，强调主从句动作同时发生。【拓展】as的其他意思(1)作为（介词）表示“以……身份；当作”，后接名词或代词。例句：Sheworksasateacher.她作为一名教师工作。Itreathimasmybestfriend.我把他当作我最好的朋友。LanguagePoints!(2)因为；由于（连词），引导原因状语从句，相当于because，但语气较弱，常用于口语。例句：Westayedathomeasitwasraining.因为下雨，我们待在家里。Ashewasill,hecouldn’tgotoschool.由于他生病了，不能去上学。(3)尽管；虽然（连词，引导让步状语从句，需倒