外研七年级英语上册Unit 6 The power of plants《Starting out -Understanding ideas》教学课件

Startingout&UnderstandingideasUnit6ThepowerofplantsStartingout1Lookatthepictureandanswerthequestions.教材原图Theamazingworldofplants!1Whatfactsaboutplantsdoyouknow?2Doyouthinkplantsareamazing?Whyorwhynot?2Lookatthepicturesandanswerthequestions.1Whatarethepeopledoing?2Whatcanplantsdoforus?sunlightUnderstandingideas1Lookatthepictureofaplantandmatchthewordstoit.sugarleafsunlightwater1_________ 2

_________ 3

_________carbon dioxide oxygen4_________

stem rootsugarwaterleaf2Readthepassageandcheckyouranswers.Within/wɪð'ɪn/aPlant1It’squarter/'kwɔːtə/pastseven.①

Here'sWorkerNo.55inhisgreenuniform.He'sgoingtostartworkintheplant.2HeworksinWorkshop1001intheLeaf/liːf/.

②Thereare20to100workersineachworkshop/'wɜːkʃɒp/.Theycollect/kə'lekt/sunlight/'sʌnlaɪt/andCO2duringtheday.③

NowworkersfromtheRoot/ruːt/send/send/upwater.

④number的缩写形式温馨提示：此符号表示“考点精讲点拨”链接。Thewaterwillrise/raɪz/uptotheLeafthroughtheStem/stem/.

⑤ThenworkersintheLeafwillmix/mɪks/water,CO2andsunlight.3Whataretheygoingtoproduce/prə'djuːs/?Mostimportantly(forthem),therewillbesugar/'ʃʊɡə/!It'susefulforthegrowthoftheplant.Anotherproduct/'prɒdʌkt/willbeoxygen/'ɒksɪdʒ(ə)n/,buttheplantdoesn'tneedmuchofit.

⑥Itmeansalottoanimalsandhumans,though/ðəʊ/—theyneedittobreathe/briːð/!⑦4Theworkersworkhard.Soonit'sgoingtogetdark/dɑːk/.Theywilltakearest/rest/.⑧5

Therearemillionsofplantsonearth.

⑨Theygivemorethanfoodandoxygen.Withoutplants,thenatural/'nætʃərəl/worldwouldbeverydifferent!

⑩3Chooseanothersuitabletitleandgiveyourreasons.a

Howtomakesugarb

HowplantsworkcWhyplantsaregreatdGoingtothegreenworkshopbThinkandshare1Whatdoes“plant”meaninthetitle?2Inwhatotherwaysdoplantshelptheworld?Learningtothinkforquestion1Apunisawordwithmorethanonemeaning.It'sacleverwaytomakethepassagemoreinteresting.4Completethetextswiththewordsandexpressionsfromthepassage.SunlightandCO2enter/'entə/the1_________.⑪Waterfromtherootwill2

_________totheleafthroughthestem.3

_________,CO2andsunlightwillturninto4_________andoxygen.Oxygenisimportanttohumans—theyneeditto5

_________

.plantsriseupWatersugarbreathe5Readthesentencesfromthereadingpassageandsummarisethegrammarrules.(a)He'sgoingtostartworkintheplant.(b)Theywilltakearest.Nowfindmoresentenceswiththesestructuresinthereadingpassage.一般将来时结构：will/begoingtodosth.6Completethesentenceswiththesimplefuturetense.⑫1Thesunflower/'sʌnflaʊə/seeds/siːdz/_________grow/grəʊ/intotallplants.

⑬2We_________

learndifferentpartsofplantstomorrow.3Theleaves_________changeintodifferentcoloursinautumn.willwill

willwillwalk7Completetheguide’swordsusingthecorrectformofthewordsintheboxes.givemakerainseebecomewalkWelcometotheGreatBearRainforest/'reɪnfɒrɪst/inCanada!We1_________throughtheforesttoday.It'ssunnynow,butpleasetakearaincoat.I’msureit2

_________later.Thetreesinarainforestcanmaketheirownrain.⑭willrainHow?Well,lookup—way,way,up—andyou3_________cloudsatthetopofthesetrees.Watercomesintotheairfromtheleaves,and4_________clouds.

⑮Itthenrainsontheforest.This5_________otherplantsveryhappy.Thesetreescanliveforthousandsofyears.They6_________animalssomewheretoliveandfoodtoeat...

⑯Nowwecanseeplantsaresoimportant.Theyinfluence/'ɪnfluəns/theclimate/'klaɪmət/,theanimals,andthepeople.

⑰willseebecomesmakesgive8Workinpairs.DiscussyourplanforPlantingDay.UsethewordsfromthereadingpassageandtheUsefulexpressionstohelpyou.ExampleDearstudents,Doyouwanttodosomethingforourmothernature?JoinourPlantingDayactivityandplantmoretrees!Happyplanting!Best,WoodMiddleSchoolMyplanforPlantingDay·TheimportanceofplantsMoreplantswillmake:theclimate:______________________________theanimals:

____________________________________thepeople:

____________________________________morestablegetthefoodtoeatandtheplacetolivefeelmorecomfortable·ThingstodoIamgoingto

_______________________________________________________________________________________plantasmanytreesasIcanandspreadthewordsabouttheimportanceofplants(答案不唯一)Usefulexpressions·Withoutplants,…will/won't…·…need…to…·…meanalotto…·…canmake…·…isusefulfor…·…influence…1It’squarterpastseven.past/pɑːst/

prep.晚于，在……之后Myfathercomesbackhomeataquarterpastsixeveryday.我父亲每天六点十五回家。拓展：past还可作为形容词，意为“过去的”。Wheredidyouliveinthepasttwoyears?过去两年你住在哪里？敲黑板

同音词：passed/pɑːst/，动词pass的过去式，表示“通过、经过、穿过”等。past的常见用法：①分钟数+past+钟点数，几点过几分②inthepast+时间，在过去的……时间里1:“林业英雄”郭万刚在过去的四十年里在腾格里沙漠上建起了一道绿色屏障。Guo

Wangang,theforestryhero,hasbuiltagreenbeltintheTenggerDesert________

________________40years.inthepast返回温馨提示：可返回原文2HeworksinWorkshop1001intheLeaf.leaf/liːf/n.叶，叶子可数名词，复数形式为leaves。TeaistheleafofaplantthatgrowswidelyinChina,Japanandothercountries.茶是一种广泛生长在中国、日本和其他国家的植物的叶子。2:Whenspringarrives,tree__________（叶子）begintoturngreen.leaves返回3TheycollectsunlightandCO2duringtheday.collect/kə'lekt/

v.收集；采集Mysistercollectsdifferentkindsofleaves.我妹妹收集不同种类的树叶。Hehasabigcollectionofoldbooks.他有很多旧书收藏品。collect作“收集”讲时是及物动词，后面接表示物的名词作宾语。其名词形式是collection，意为“收藏品；作品集”。3:[成都改编]TheBookofSongsistheearliest_________(collect)ofpoemsinChinaandthebeginningofChina’spoetrytradition.collection返回【点拨】用语法判定法。句意：《诗经》是中国最早的诗集，也是中国诗歌传统的开端。此处需要一个名词，collect的名词形式是collection。4NowworkersfromtheRootsendupwater.(1)root/ruːt/n.根；引申义“问题的根源”Youshouldwatertherootsfirstwhenyouwatertheflowers.浇花的时候你要先浇根。Wehadtosolvetheproblemfromtheroot.要解决问题，我们需要从它的根源入手。谚语

Thesecretofsuccessisconstancyofpurpose.成功的秘诀在于坚持不懈。4:Ifyouwanttopulloutthe_______oftheoldtree,youneedtodigdeeperintotheground.A.seedsB.rootsC.fruitsD.flowersB【点拨】用词义辨析法。句意：如果你想把这棵老树的拔出来，你需要往地下挖得更深。seed种子；root根；fruit水果；flower花。根据“digdeeperintotheground”可知，这里指老树的“根”。(2)send/send/v.送出；发出Theboyissendingupamodelrocket.那个男孩正在发射火箭模型。Thecandleonthetablesentoutweaklight.桌子上的蜡烛发出微弱的光。You’dbettersendforadoctorforher.你最好为她请个医生。Policemensenthimintoprison.警察把他送进了监狱。send的常见搭配：①sendup往上输送，发射②sendout发出③sendfor请某人来(帮忙等)④sendinto送入5:Chinasucceededin__________（送）threetaikonautstotheTiangong

spacestationonMay30,2023.sending返回【点拨】动词“发送”用send表示，in是介词，后面应当使用动名词形式。故填sending。5ThewaterwillriseuptotheLeafthroughtheStem.rise/raɪz/v.升高，上升Pleaseraiseyourhandstoanswerthequestion.请举手回答这个问题。Theriverroseafteraheavyrain.一场大雨后河水上涨了。口诀助记rise和raise的区别：raise及物，rise不及物；raise是人为，rise是自动；raise是举起，rise是升高。一语辨异Asthesunbegantorise,thefarmerraisedhishandtoshieldhiseyesfromthebrightsunlight.随着太阳开始升起，这位农夫举起手来遮挡刺眼的阳光。6:[成都]JiuzhaigouisoneofthemostpopularplacesinChinaandthenumberofthevisitorskeepsr

.ising返回【点拨】句意为“九寨沟是中国最受欢迎的地方之一，游客人数不断上升。”根据“Jiuzhaigou

isoneofthemostpopularplacesinChinaandthenumberofthevisitorskeeps...”可知，游客人数不断上升，rise上升，keepdoing不断地……，故填rising。6Anotherproductwillbeoxygen...product/'prɒdʌkt/n.(自然过程或化学反应的)生成物；产品Theyputanewproductonthemarket.他们在市场上推出了一款新产品。拓展：product的动词形式是produce，意为“生产，制造”。Thefactoryproducesalargenumberofcarseveryyear.这家工厂每年生产大量的汽车。7:[扬州]Westudentsnowusefewerthrowaway____________(product)thanbefore.products返回【点拨】用语法判定法。product是名词，意为“产品”；throwaway是形容词，意为“一次性的”，后面接名词。前面有fewer修饰，此处使用product的复数形式。7Itmeansalottoanimalsandhumans,though—theyneedittobreathe!though/ðəʊ/adv.不过，可是，然而；conj.虽然，尽管Thoughitwasraining,westillwentthere.尽管下着雨，我们还是去了那里。句中的“alot”是一个副词短语，用来强调“It”（本文中指的是氧气）对动物和人类的重要性。表示“非常”或“很多”，用来加强语气。Thoughthemoviewaslong,weenjoyeditverymuch.尽管电影很长，但我们非常喜欢它。Ourteamlost,Itwasagoodgamethough.我们队输了，可这也不失为一场好球。敲黑板though作连词时，意为“虽然；尽管”，需注意不能和but连用。8:[福建改编]_______Davidhasfailedmanytimes,heisalwaysfullofhopeforthefuture.A.IfB.WhenC.ThoughD.ButC返回8Theywilltakearest.rest/rest/n.休息（时间）Iwanttotakearestnowafteraday’swork.工作了一天现在我想休息一下。Ineedagoodnight’srestbeforethebigexamtomorrow.在明天的大考之前，我需要一个良好的夜间休息。Therestofthebreadwasbad.剩余的面包坏了。takearest=havearest休息一会儿rest作名词还可以表示“剩余的部分/人/事物”。therestof...后接名词作主语时，谓语动词要看名词的形式从而保持主谓一致。9:天太热了。我们到那棵树下面休息一下吧。It’stoohot.Let’s________________________underthetree.havearest/takearest返回9Therearemillionsofplantsonearth.millionsof数百万的Youcanseehundredsofpeopleinthepark.在公园里你能看到成百上千的人。Therearemillionsofstarsinthesky.天空中有数以百万计的星星。特别提醒hundred,thousand和million是三个常用于表示数字的词。它们表示具体数字时不使用复数形式，表示概数时通常使用复数并且后面加介词of，构成hundredsof/thousandsof/millionsof。10:Harbinisabeautifulcity.So_________(million)ofpeoplecomeheretoenjoysnoweverywinter.millions返回【点拨】考查数词。句意：哈尔滨是一个美丽的城市，因此每年冬天都有数百万的人来这里欣赏雪景。根据句意可知这里表示“数百万的……”，表示概数，因此要用millionsof。10Withoutplants,thenaturalworldwouldbeverydifferent!natural/'nætʃərəl/adj.自然的，天然的Thereisanaturalparkinourcity.我们城市中有个自然公园。Lovenature,loveyourself.热爱自然，热爱你自己。natural是形容词，意为“自然的；天然的”，是由名词nature变化而来。nature意为“自然”。11:Thefirst“forestlibrary”providesreaderswithachancetoreadina_________(nature)environment.natural返回11SunlightandCO2enterthe1______.enter/'entə/v.进入Heenteredtheroomquietlyinordernottowakeuphisbaby.为了不吵醒宝宝，他悄悄地进了房间。enter是及物动词，意为“进入”，相当于动词短语come/gointo。12:Athiefwentintotheirofficeandtookawaysomethinglastnight.（同义替换）_________A.leftB.stoppedC.enteredD.brokeC返回【点拨】用词义辨析法。left离开；stopped停止；entered进入；broke打破。gointo意为“进入”，和enter同义。12Completethesentenceswiththesimplefuturetense.simple/'sɪmpəl/adj.简单的；简易的Thequestionisquitesimple(=easy).这个问题相当简单。Theymadesomesimplebedsintheroomtoreston.他们在房间里做了几张简易的床在上面休息。simple相关词：副词simplyadv.简单地，仅仅近义词easyadj.简单的，容易的反义词difficult/hardadj.困难的13:—HowamazingChatGPTis!—Yes.Thenewinventionmakesitquite______forpeopletowritepapersandstories.A.lateB.simpleC.naturalD.difficultB返回【点拨】用词义辨析法。late晚的；simple简单的；natural自然的；difficult困难的。根据“forpeopletowritepapersandstories”可知ChatGPT

让写论文和写故事变得简单。13Thesunflowerseeds______growintotallplants.grow/ɡrəʊ/v.成长意为“成长；生长；发育”，是不及物动词。Inspring,everythingbeginstogrow.在春天，万物开始生长。Shewantstobeateacherwhenshegrowsup.她长大后想当一名老师。Thelittleboywillgrowintoastrongman.这个小男孩将会长成一个强壮的男子汉。grow作不及物动词常用搭配:growup长大；形成growinto成长为；长成；发展为拓展：(1)

grow还可意为“种植”，是及物动词。Let’sgrowsomeflowersoverthere.咱们在那边种些花吧！(2)grow还可作连系动词，有“逐渐变得”的含义，强调变化过程。It’sgrowingdark.天渐渐（变）黑了。“grow+形容词”意为“变得...”growdark变黑growrich变得富有；变富14:我的表姐尽了最大努力成长为一名真正的飞行员。Mycousintriedherbestto________________arealpilot.growinto返回14Thetreesinarainforestcanmaketheirownrain.own/əʊn/adj.&pron.自己的，属于自己的Hesawitwithhisowneyes.这是他亲眼看到的。Ihavemyownroomnow.我现在有我自己的房间了。Shelovesherownpetcatverymuch.她非常爱自己的宠物猫。Hisfatherownstwocars.他的父亲有两辆小汽车。Whoistheownerofthehouse,doyouknow?这所房子的主人是谁，你知道吗？withone’sowneyes亲眼所见own还可以作及物动词，意为“拥有；占有”，即对某物具有所有权，其主语一般是人，后面多用表示房屋、土地、车辆等的名词作宾语。其名词是owner,意为“主人”。15:Wewon’tbelieveituntilweseeitwithour__________（自己的）eyes.own返回15Watercomesintotheairfromtheleaves,and4______clouds.cloud/klaʊd/

n.云Theplaneisflyinginthecloudmostofthetime.飞机大多数时间都在云层中飞行。Thereareseveralblackcloudsinthesky.天空中有几朵乌云。cloud是名词，意为“云；云朵”，通常用作不可数名词。cloud用作可数名词时指独立、可分辨的云朵。构词法记单词cloud+y→cloudy多云的rain+y→rainy多雨的wind+y→windy有风的16:—What’stheweatherliketoday?—It’s________(cloud).Ithinkit’sgoingtorain.cloudy返回【点拨】用语法判定法。cloud云，其形容词形式是cloudy“多云的，阴天的”，在句中常作表语。16They6______animalssomewheretoliveandfoodtoeat...somewhere/'sʌmweə/pron.&adv.某处；在某处；到某处somewhere可作不定代词或不定副词，常用于肯定句