外研七年級(jí)英語上冊(cè)Unit 6 The power of plants《Starting out -Understanding ideas》教學(xué)課件

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

_________ 3

_________carbon dioxide oxygen4_________

stem rootsugarwaterleaf2Readthepassageandcheckyouranswers.Within/w?e'?n/aPlant1It’squarter/'kw??t?/pastseven.①

Here'sWorkerNo.55inhisgreenuniform.He'sgoingtostartworkintheplant.2HeworksinWorkshop1001intheLeaf/li?f/.

②Thereare20to100workersineachworkshop/'w??k??p/.Theycollect/k?'lekt/sunlight/'s?nla?t/andCO2duringtheday.③

NowworkersfromtheRoot/ru?t/send/send/upwater.

④number的縮寫形式溫馨提示：此符號(hào)表示“考點(diǎn)精講點(diǎn)撥”鏈接。Thewaterwillrise/ra?z/uptotheLeafthroughtheStem/stem/.

⑤ThenworkersintheLeafwillmix/m?ks/water,CO2andsunlight.3Whataretheygoingtoproduce/pr?'dju?s/?Mostimportantly(forthem),therewillbesugar/'??ɡ?/!It'susefulforthegrowthoftheplant.Anotherproduct/'pr?d?kt/willbeoxygen/'?ks?d?(?)n/,buttheplantdoesn'tneedmuchofit.

⑥Itmeansalottoanimalsandhumans,though/e??/—theyneedittobreathe/bri?e/!⑦4Theworkersworkhard.Soonit'sgoingtogetdark/dɑ?k/.Theywilltakearest/rest/.⑧5

Therearemillionsofplantsonearth.

⑨Theygivemorethanfoodandoxygen.Withoutplants,thenatural/'n?t??r?l/worldwouldbeverydifferent!

⑩3Chooseanothersuitabletitleandgiveyourreasons.a

Howtomakesugarb

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

_________totheleafthroughthestem.3

_________,CO2andsunlightwillturninto4_________andoxygen.Oxygenisimportanttohumans—theyneeditto5

_________

.plantsriseupWatersugarbreathe5Readthesentencesfromthereadingpassageandsummarisethegrammarrules.(a)He'sgoingtostartworkintheplant.(b)Theywilltakearest.Nowfindmoresentenceswiththesestructuresinthereadingpassage.一般將來時(shí)結(jié)構(gòu)：will/begoingtodosth.6Completethesentenceswiththesimplefuturetense.?1Thesunflower/'s?nfla??/seeds/si?dz/_________grow/gr??/intotallplants.

?2We_________

learndifferentpartsofplantstomorrow.3Theleaves_________changeintodifferentcoloursinautumn.willwill

willwillwalk7Completetheguide’swordsusingthecorrectformofthewordsintheboxes.givemakerainseebecomewalkWelcometotheGreatBearRainforest/'re?nf?r?st/inCanada!We1_________throughtheforesttoday.It'ssunnynow,butpleasetakearaincoat.I’msureit2

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

?Itthenrainsontheforest.This5_________otherplantsveryhappy.Thesetreescanliveforthousandsofyears.They6_________animalssomewheretoliveandfoodtoeat...

?Nowwecanseeplantsaresoimportant.Theyinfluence/'?nflu?ns/theclimate/'kla?m?t/,theanimals,andthepeople.

?willseebecomesmakesgive8Workinpairs.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/pɑ?st/

prep.晚于，在……之后Myfathercomesbackhomeataquarterpastsixeveryday.我父親每天六點(diǎn)十五回家。拓展：past還可作為形容詞，意為“過去的”。Wheredidyouliveinthepasttwoyears?過去兩年你住在哪里？敲黑板

同音詞：passed/pɑ?st/，動(dòng)詞pass的過去式，表示“通過、經(jīng)過、穿過”等。past的常見用法：①分鐘數(shù)+past+鐘點(diǎn)數(shù)，幾點(diǎn)過幾分②inthepast+時(shí)間，在過去的……時(shí)間里1:“林業(yè)英雄”郭萬剛在過去的四十年里在騰格里沙漠上建起了一道綠色屏障。Guo

Wangang,theforestryhero,hasbuiltagreenbeltintheTenggerDesert________

________________40years.inthepast返回溫馨提示：可返回原文2HeworksinWorkshop1001intheLeaf.leaf/li?f/n.葉，葉子可數(shù)名詞，復(fù)數(shù)形式為leaves。TeaistheleafofaplantthatgrowswidelyinChina,Japanandothercountries.茶是一種廣泛生長(zhǎng)在中國(guó)、日本和其他國(guó)家的植物的葉子。2:Whenspringarrives,tree__________（葉子）begintoturngreen.leaves返回3TheycollectsunlightandCO2duringtheday.collect/k?'lekt/

v.收集；采集Mysistercollectsdifferentkindsofleaves.我妹妹收集不同種類的樹葉。Hehasabigcollectionofoldbooks.他有很多舊書收藏品。collect作“收集”講時(shí)是及物動(dòng)詞，后面接表示物的名詞作賓語。其名詞形式是collection，意為“收藏品；作品集”。3:[成都改編]TheBookofSongsistheearliest_________(collect)ofpoemsinChinaandthebeginningofChina’spoetrytradition.collection返回【點(diǎn)撥】用語法判定法。句意：《詩經(jīng)》是中國(guó)最早的詩集，也是中國(guó)詩歌傳統(tǒng)的開端。此處需要一個(gè)名詞，collect的名詞形式是collection。4NowworkersfromtheRootsendupwater.(1)root/ru?t/n.根；引申義“問題的根源”Youshouldwatertherootsfirstwhenyouwatertheflowers.澆花的時(shí)候你要先澆根。Wehadtosolvetheproblemfromtheroot.要解決問題，我們需要從它的根源入手。諺語

Thesecretofsuccessisconstancyofpurpose.成功的秘訣在于堅(jiān)持不懈。4:Ifyouwanttopulloutthe_______oftheoldtree,youneedtodigdeeperintotheground.A.seedsB.rootsC.fruitsD.flowersB【點(diǎn)撥】用詞義辨析法。句意：如果你想把這棵老樹的拔出來，你需要往地下挖得更深。seed種子；root根；fruit水果；flower花。根據(jù)“digdeeperintotheground”可知，這里指老樹的“根”。(2)send/send/v.送出；發(fā)出Theboyissendingupamodelrocket.那個(gè)男孩正在發(fā)射火箭模型。Thecandleonthetablesentoutweaklight.桌子上的蠟燭發(fā)出微弱的光。You’dbettersendforadoctorforher.你最好為她請(qǐng)個(gè)醫(yī)生。Policemensenthimintoprison.警察把他送進(jìn)了監(jiān)獄。send的常見搭配：①sendup往上輸送，發(fā)射②sendout發(fā)出③sendfor請(qǐng)某人來(幫忙等)④sendinto送入5:Chinasucceededin__________（送）threetaikonautstotheTiangong

spacestationonMay30,2023.sending返回【點(diǎn)撥】動(dòng)詞“發(fā)送”用send表示，in是介詞，后面應(yīng)當(dāng)使用動(dòng)名詞形式。故填sending。5ThewaterwillriseuptotheLeafthroughtheStem.rise/ra?z/v.升高，上升Pleaseraiseyourhandstoanswerthequestion.請(qǐng)舉手回答這個(gè)問題。Theriverroseafteraheavyrain.一場(chǎng)大雨后河水上漲了?？谠E助記rise和raise的區(qū)別：raise及物，rise不及物；raise是人為，rise是自動(dòng)；raise是舉起，rise是升高。一語辨異Asthesunbegantorise,thefarmerraisedhishandtoshieldhiseyesfromthebrightsunlight.隨著太陽開始升起，這位農(nóng)夫舉起手來遮擋刺眼的陽光。6:[成都]JiuzhaigouisoneofthemostpopularplacesinChinaandthenumberofthevisitorskeepsr

.ising返回【點(diǎn)撥】句意為“九寨溝是中國(guó)最受歡迎的地方之一，游客人數(shù)不斷上升?！备鶕?jù)“Jiuzhaigou

isoneofthemostpopularplacesinChinaandthenumberofthevisitorskeeps...”可知，游客人數(shù)不斷上升，rise上升，keepdoing不斷地……，故填rising。6Anotherproductwillbeoxygen...product/'pr?d?kt/n.(自然過程或化學(xué)反應(yīng)的)生成物；產(chǎn)品Theyputanewproductonthemarket.他們?cè)谑袌?chǎng)上推出了一款新產(chǎn)品。拓展：product的動(dòng)詞形式是produce，意為“生產(chǎn)，制造”。Thefactoryproducesalargenumberofcarseveryyear.這家工廠每年生產(chǎn)大量的汽車。7:[揚(yáng)州]Westudentsnowusefewerthrowaway____________(product)thanbefore.products返回【點(diǎn)撥】用語法判定法。product是名詞，意為“產(chǎn)品”；throwaway是形容詞，意為“一次性的”，后面接名詞。前面有fewer修飾，此處使用product的復(fù)數(shù)形式。7Itmeansalottoanimalsandhumans,though—theyneedittobreathe!though/e??/adv.不過，可是，然而；conj.雖然，盡管Thoughitwasraining,westillwentthere.盡管下著雨，我們還是去了那里。句中的“alot”是一個(gè)副詞短語，用來強(qiáng)調(diào)“It”（本文中指的是氧氣）對(duì)動(dòng)物和人類的重要性。表示“非常”或“很多”，用來加強(qiáng)語氣。Thoughthemoviewaslong,weenjoyeditverymuch.盡管電影很長(zhǎng)，但我們非常喜歡它。Ourteamlost,Itwasagoodgamethough.我們隊(duì)輸了，可這也不失為一場(chǎng)好球。敲黑板though作連詞時(shí)，意為“雖然；盡管”，需注意不能和but連用。8:[福建改編]_______Davidhasfailedmanytimes,heisalwaysfullofhopeforthefuture.A.IfB.WhenC.ThoughD.ButC返回8Theywilltakearest.rest/rest/n.休息（時(shí)間）Iwanttotakearestnowafteraday’swork.工作了一天現(xiàn)在我想休息一下。Ineedagoodnight’srestbeforethebigexamtomorrow.在明天的大考之前，我需要一個(gè)良好的夜間休息。Therestofthebreadwasbad.剩余的面包壞了。takearest=havearest休息一會(huì)兒rest作名詞還可以表示“剩余的部分/人/事物”。therestof...后接名詞作主語時(shí)，謂語動(dòng)詞要看名詞的形式從而保持主謂一致。9:天太熱了。我們到那棵樹下面休息一下吧。It’stoohot.Let’s________________________underthetree.havearest/takearest返回9Therearemillionsofplantsonearth.millionsof數(shù)百萬的Youcanseehundredsofpeopleinthepark.在公園里你能看到成百上千的人。Therearemillionsofstarsinthesky.天空中有數(shù)以百萬計(jì)的星星。特別提醒hundred,thousand和million是三個(gè)常用于表示數(shù)字的詞。它們表示具體數(shù)字時(shí)不使用復(fù)數(shù)形式，表示概數(shù)時(shí)通常使用復(fù)數(shù)并且后面加介詞of，構(gòu)成hundredsof/thousandsof/millionsof。10:Harbinisabeautifulcity.So_________(million)ofpeoplecomeheretoenjoysnoweverywinter.millions返回【點(diǎn)撥】考查數(shù)詞。句意：哈爾濱是一個(gè)美麗的城市，因此每年冬天都有數(shù)百萬的人來這里欣賞雪景。根據(jù)句意可知這里表示“數(shù)百萬的……”，表示概數(shù)，因此要用millionsof。10Withoutplants,thenaturalworldwouldbeverydifferent!natural/'n?t??r?l/adj.自然的，天然的Thereisanaturalparkinourcity.我們城市中有個(gè)自然公園。Lovenature,loveyourself.熱愛自然，熱愛你自己。natural是形容詞，意為“自然的；天然的”，是由名詞nature變化而來。nature意為“自然”。11:Thefirst“forestlibrary”providesreaderswithachancetoreadina_________(nature)environment.natural返回11SunlightandCO2enterthe1______.enter/'ent?/v.進(jìn)入Heenteredtheroomquietlyinordernottowakeuphisbaby.為了不吵醒寶寶，他悄悄地進(jìn)了房間。enter是及物動(dòng)詞，意為“進(jìn)入”，相當(dāng)于動(dòng)詞短語come/gointo。12:Athiefwentintotheirofficeandtookawaysomethinglastnight.（同義替換）_________A.leftB.stoppedC.enteredD.brokeC返回【點(diǎn)撥】用詞義辨析法。left離開；stopped停止；entered進(jìn)入；broke打破。gointo意為“進(jìn)入”，和enter同義。12Completethesentenceswiththesimplefuturetense.simple/'s?mp?l/adj.簡(jiǎn)單的；簡(jiǎn)易的Thequestionisquitesimple(=easy).這個(gè)問題相當(dāng)簡(jiǎn)單。Theymadesomesimplebedsintheroomtoreston.他們?cè)诜块g里做了幾張簡(jiǎn)易的床在上面休息。simple相關(guān)詞：副詞simplyadv.簡(jiǎn)單地，僅僅近義詞easyadj.簡(jiǎn)單的，容易的反義詞difficult/hardadj.困難的13:—HowamazingChatGPTis!—Yes.Thenewinventionmakesitquite______forpeopletowritepapersandstories.A.lateB.simpleC.naturalD.difficultB返回【點(diǎn)撥】用詞義辨析法。late晚的；simple簡(jiǎn)單的；natural自然的；difficult困難的。根據(jù)“forpeopletowritepapersandstories”可知ChatGPT

讓寫論文和寫故事變得簡(jiǎn)單。13Thesunflowerseeds______growintotallplants.grow/ɡr??/v.成長(zhǎng)意為“成長(zhǎng)；生長(zhǎng)；發(fā)育”，是不及物動(dòng)詞。Inspring,everythingbeginstogrow.在春天，萬物開始生長(zhǎng)。Shewantstobeateacherwhenshegrowsup.她長(zhǎng)大后想當(dāng)一名老師。Thelittleboywillgrowintoastrongman.這個(gè)小男孩將會(huì)長(zhǎng)成一個(gè)強(qiáng)壯的男子漢。grow作不及物動(dòng)詞常用搭配:growup長(zhǎng)大；形成growinto成長(zhǎng)為；長(zhǎng)成；發(fā)展為拓展：(1)

grow還可意為“種植”，是及物動(dòng)詞。Let’sgrowsomeflowersoverthere.咱們?cè)谀沁叿N些花吧！(2)grow還可作連系動(dòng)詞，有“逐漸變得”的含義，強(qiáng)調(diào)變化過程。It’sgrowingdark.天漸漸（變）黑了?！癵row+形容詞”意為“變得...”growdark變黑growrich變得富有；變富14:我的表姐盡了最大努力成長(zhǎng)為一名真正的飛行員。Mycousintriedherbestto________________arealpilot.growinto返回14Thetreesinarainforestcanmaketheirownrain.own/??n/adj.&pron.自己的，屬于自己的Hesawitwithhisowneyes.這是他親眼看到的。Ihavemyownroomnow.我現(xiàn)在有我自己的房間了。Shelovesherownpetcatverymuch.她非常愛自己的寵物貓。Hisfatherownstwocars.他的父親有兩輛小汽車。Whoistheownerofthehouse,doyouknow?這所房子的主人是誰，你知道嗎？withone’sowneyes親眼所見own還可以作及物動(dòng)詞，意為“擁有；占有”，即對(duì)某物具有所有權(quán)，其主語一般是人，后面多用表示房屋、土地、車輛等的名詞作賓語。其名詞是owner,意為“主人”。15:Wewon’tbelieveituntilweseeitwithour__________（自己的）eyes.own返回15Watercomesintotheairfromtheleaves,and4______clouds.cloud/kla?d/

n.云Theplaneisflyinginthecloudmostofthetime.飛機(jī)大多數(shù)時(shí)間都在云層中飛行。Thereareseveralblackcloudsinthesky.天空中有幾朵烏云。cloud是名詞，意為“云；云朵”，通常用作不可數(shù)名詞。cloud用作可數(shù)名詞時(shí)指獨(dú)立、可分辨的云朵。構(gòu)詞法記單詞cloud+y→cloudy多云的rain+y→rainy多雨的wind+y→windy有風(fēng)的16:—What’stheweatherliketoday?—It’s________(cloud).Ithinkit’sgoingtorain.cloudy返回【點(diǎn)撥】用語法判定法。cloud云，其形容詞形式是cloudy“多云的，陰天的”，在句中常作表語。16They6______animalssomewheretoliveandfoodtoeat...somewhere/'s?mwe?/pron.&adv.某處；在某處；到某處somewhere可作不定代詞或不定副詞，常用于肯定句