外研七年级英语上册Unit 6 Starting out-Understanding ideas《自主学习》课件

Startingout&Understandingideas自主学习Unit6Thepowerofplants1Lookatthepictureandanswerthequestions.1Whatfactsaboutplantsdoyouknow?Somebamboocanevengrow91centimetresinjustoneday!（答案不唯一）2Doyouthinkplantsareamazing?Whyorwhynot?Yes,Ido.Becausetheymakeoxygenforustobreathe.Andmanyplantsareourfood.2Lookatthepicturesandanswerthequestions.1Whatarethepeopledoing?a.Thegirlisbuyingsomevegetables.b.Themanisworkingonwood.c.Themanandthewomanareweighingtheherbs.d.Thegirlisdrawingtreesandgrass.2Whatcanplantsdoforus?Plantscanbeourfood,medicine,materialsforhousesandinspirationforpainting.1Lookatthepictureofaplantandmatchthewordstoit.sugarleafsunlightwatersunlightsugarwaterleaf2Readthepassageandcheckyouranswers.Withinaplant1It’squarterpastseven.Here’sWorkerNo.55inhisgreenuniform.He’sgoingtostartworkintheplant.number的缩写形式2HeworksinWorkshop1001intheLeaf.Thereare20to100workersineachworkshop.TheycollectsunlightandCO2duringtheday.NowworkersfromtheRootsendupwater.ThewaterwillriseuptotheLeafthroughtheStem.ThenworkersintheLeafwillmixwater,CO2andsunlight.3Whataretheygoingtoproduce?Mostimportantly(forthem),therewillbesugar!It’susefulforthegrowthoftheplant.Anotherproductwillbeoxygen,buttheplantdoesn’tneedmuchofit.Itmeansalottoanimalsandhumans,though—theyneedittobreathe!对……有用对……意义重大动词不定式短语，作目的状语4Theworkersworkhard.Soonit’sgoingtogetdark.Theywilltakearest.变得，与turn近义=havearest5Therearemillionsofplantsonearth.Theygivemorethanfoodandoxygen.Withoutplants,thenaturalworldwouldbeverydifferent!=Iftherearen’tplantsWhatistheauthor’smainpurposeofcreatingthepassage?_______A.Tointroducearealfactory.B.Totellustheworkersintheplantworkhard.C.Tointroducewhat’shappeningwithinaplant.D.Toshowusoxygenisimportanttoanimalsandhumans.C3Chooseanothersuitabletitleandgiveyourreasons.______aHowtomakesugarbHowplantsworkcWhyplantsaregreatdGoingtothegreenworkshopbThinkandshare1Whatdoes“plant”meaninthetitle?2

Inwhatotherwaysdoplantshelptheworld?Learningtothinkforquestion1Apunisawordwithmorethanonemeaning.It’sacleverwaytomakethepassagemoreinteresting.4Completethetextswiththewordsandexpressionsfromthepassage.SunlightandCO2enterthe1_________.Waterfromtherootwill2_________totheleafthroughthestem.3_________,CO2andsunlightwillturninto4_________

andoxygen.Oxygenisimportanttohumans—theyneeditto5_________.leafriseupWatersugarbreathe5Readthesentencesfromthereadingpassageandsummarisethegrammarrules.(a)He’sgoingtostartworkintheplant.(b)Theywilltakearest.Nowfindmoresentenceswiththesestructuresinthereadingpassage.一般将来时结构：will/begoingto+动词原形6Completethesentenceswiththesimplefuturetense.1Thesunflowerseeds________growintotallplants.2We______________learndifferentpartsofplantstomorrow.3Theleaves________changeintodifferentcoloursinautumn.willaregoingtowill7Completetheguide’swordsusingthecorrectformofthewordsintheboxes.WelcometotheGreatBearRainforestinCanada!We1___________________throughtheforesttoday.It’ssunnynow,butpleasetakearaincoat.I’msureit2__________

later.Thetreesinarainforestcanmaketheirownrain.aregoingto/willwalkgivemakerainseebecomewalkwillrainHow?Well,lookup—way,way,up—andyou3__________cloudsatthetopofthesetrees.Watercomesintotheairfromtheleaves,and4__________clouds.Itthenrainsontheforest.This5_________otherplantsveryhappy.willseegivemakerainseebecomewalkbecomesmakesThesetreescanliveforthousandsofyears.They6_________animalssomewheretoliveandfoodtoeat...Nowwecanseeplantsaresoimportant.Theyinfluencetheclimate,theanimals,andthepeople.givegivemakerainseebecomewalk8Workinpairs.DiscussyourplanforPlantingDay.UsethewordsfromthereadingpassageandtheUsefulexpressionstohelpyou.ExampleDearstudents,Doyouwanttodosomethingforourmothernature?JoinourPlantingDayactivityandplantmoretrees!Happyplanting!Best,WoodMiddleSchoolMyplanforPlantingDay（答案不唯一）·TheimportanceofplantsMoreplantswillmake:theclimate:_______________________________________________theanimals:_______________________________________________thepeople:________________________________________________·ThingstodoIamgoingto______________________________________________

_________________________________________________________bettergetmorefoodtoeatandmoreplacestolivefeelmorecomfortableplantas