Unit6Thepowerofplants（Understandingideas）

Freetalk:What’syourfavoriteone?Question:Howdotheygroupup?光合作用

Lookatthepictureofaplantandmatchthewordstoit.waterleafsunlightsugarsugarsunlightleafwater

Knowmoreaboutit

Readthepassageltsqwarterpastseven,HeresWorkerNo,55inhisgreenuniform.Hesgoingtostartworkintheplant.HeworksinWorkshop100lintheLeaf,Thereare20to100workersineachworkshop.TheycollectsunlightandCO2,duringtheday.NowworkersfromtheRootsendupwater.ThewaterwillriseuptotheLeafthroughtheStem,ThenworkersintheLeafwillmixwater,CO2,andsunlight.

Whataretheygoingtoproduce?Mostimportantly(forthem).therewillbesugar!ltsusefulforthegrowthoftheplant.Anotherproduetwillbeoxygen,buttheplantdoesntneedmuchofit.Itmeansalottoanimalsandhumans,though-theyneedittobreathe!Theworkersworkhard.Soonitsgoingtogetdark.Theywilltakearest.Therearemillionsofplantsonearth.Theygivemorethanfoodandoxygen,Withoutplants,thenaturalworldwouldbeverydifferent!Readthepassage

Chooseanothersuitabletitleandgiveyourreasons.A.Howtomakesugar???B.Howplantswork??C.Whyplantsaregreat??D.Goingtothegreenworkshop√

Completethetextswiththewordsandexpressionsfromthepassage.SunlightandCO2enterthe.leafWaterfromtherootwilltotheleafthroughthestemriseup,CO2andsunlightwillturnintoandoxygen.Oxygenisimportanttohumans-theyneedittoWatersugar

Readthesentencesfromthereadingpassageandsummarizethegrammarrules.(a)Hesgoingtostartworkintheplant.(b)Theywilltakearest.Nowfindmoresentenceswiththesestructuresinthereadingpassagebegoingto+动词原形will+动词原形一般将来时SimpleFutureTense

Completethesentenceswiththesimplefuturetense.1、Thesunflowerseeds