冀教版八下Unit 2 Plant a Plant! Lesson 8课件

Unit2Plantaplant!Lesson8:WhyArePlantsImportant?,学习目标Keywords&phrases:basic;It’spleasanttodo...;takeenergyfrom...;inaword.Keysentences:1.It’spleasanttowalkintheforest.2.Treesandotherplantsareimportanttopeople.3.Peopleusetreesandotherplantsinmanyways.4.Thetreesandplantstakeenergyfromthesunandturnitintofood.Tobeabletotalkabouttheimportanceofplants.,Words&ExpressionsLet'sreadpleasantshadefulfillbasicsoilIt’spleasanttodo...takeenergyfrom...inawordadj.使人愉快的n.树荫；阴凉处v.达到；执行adj.基本的；基础的n.土；土壤做……很愉快从……获取能量总之；一句话,Warming-upTherearedifferentkindsofplantsinourdailylife!,,Whydoweneedtrees?Treesaregoodfor___________.Treesareimportantto__________.25%Treesareimportantto__________.environmentanimalspeopleLookandsay,1.Givethemaplacetolivein.2.Providethemwithfoodtoeat.1.Coverthesoil.2.Cleantheair.3.Beautifytheenvironment.1.Growfruit.2.Provideshade.2.Bemadeintomanythings.environmentpeopleAnimalsLookandsay,FreetalkWhatplantsgrownearyourhome?Whydoweneedtrees?Treesplayamajorroleinproducingoxygenwebreathe.Manytreesprovidefruit.Wegetwoodfromtree.Treesprevent erosionofthesoil,aswellasprovideahomefora variety ofanimals.,PresentationDanny,JennyandBrianarewalkinginaforest.Jenny:Ilovethisforest.Therearesomanytreesandplants.Theairisalwayscleanandfresh.Brian:Yes.Treesandotherplantshelpcleantheair.,Jenny:That’strue.It’spleasanttowalkintheforest.Whentheweatherissunnyandhot,youcansitintheshadeunderatree.It’sniceandcool.Danny:I’mhungry!MaybeIcaneataplant!Brian:Sure,Danny!Look，thereisanappletreeoverthere!Danny:Isthereadonuttree?Brian：Donutsdon’tgrowontrees!Jenny：Treesandotherplantsareimportanttopeople.Theyhelpusfulfillourbasicneeds.,Brian：That’sforsure.Peopleusetreesandotherplantsinmanyways.Thetreesandplantstakeenergyfromthesunandturnitintofood.Medicineandclothingarealsomadefromtreesandplants.Jenny：Theforestisimportanttoanimals,too.Manyanimalsliveintheforestandeatthefruitfromthetrees.Theyeatotherplants,too.Brian:Andplantscoverthesoil.Thatway,thewindandwaterdon’tcarrythesoilaway.Plantsalsomakeeverythinglookbeautiful.Danny:Inaword,wecan’tlivewithoutplants！,Let’sDoIt!1.Readthelessonandticktheitemsmentioned．□Peoplecaneatplantsorusethemasmedicine.□Plantshelpmaketheaircleanandfresh.□Manyanimalsliveintheforest.□Books，paper，pencilsanderasersallcomefromplants.□Animalseatthefruitfromthetrees.√√√√,□Theplantscoverthesoilandcanstopthedust.□Whentheweatherissunnyandhot，peoplecansitintheshadeunderatree.□Theplantsmakeeverythinglookbeautiful.□Peopleusewoodfromtreestobuildhousesandfurniture.√√√,2.Completethepassagewiththecorrectformsofthewordsinthebox.basicshadeforestcoverpleasantTherearemanytreesandplants.It’s__________towalkintheforest.Whentheweatherissunnyandhot，youcansitinthe_______underatree.Treesandotherplantsareoneofour________needsforlife.Manythingsaremadefromtreesandplants.Mostanimalsliveinthe________andeatthefruitfromthetrees.Andplants________thesoil.Thatway,thewindandwaterdon’tcarrythesoilaway.pleasantshadebasicforest(s)cover,3.Workinpairs.Thinkaboutwhyweneedplants.Discussitandfillinthemindmap.YoucanusesomeideasfromActivity1.Functionsoftrees(plants)Foodormedicine：_______________Shelter：_______________Clothingandschoolthings：_______________Environment：_______________,Languagepoints1.It’spleasanttowalkintheforest.(教材P20)pleasantadj.使人愉快的；舒适的相关词汇：pleasev.取悦；使……高兴pleasedadj.高兴的pleasuren.快乐pleasingadj.令人满意的,pleasant既可作表语也可作定语，多用于描述人或事物的性质pleased多描述人的感情，表示“某人对某事(或某人)感到高兴的或满意的”。辨析：pleasant与pleasede.g.Thisisapleasantjourney.这是个令人愉快的旅行。Ifyoujumpthequeue,otherswillnotbepleased.如果你插队，别人会不高兴的。,2.Whentheweatherissunnyandhot,youcansitintheshadeunderatree.(教材P20)shaden.树阴；阴凉处intheshade在树阴下；在阴凉处e.g.Somegirlsareplayinggamesintheshade.一些女孩正在树阴下玩游戏。,3.Theyhelpusfulfillourbasicneeds.(教材P20)help(sb.)(to)dosth.帮助（某人）做某事helpsb.withsth.(在某方面帮助某人)常与helpsb.(to)dosth.(帮助某人做某事)进行同义句转换。e.g.Thecleanerhelpscleanthefloor.这台吸尘器有助于清洁地板。JacklikestohelphissisterlearnEnglish.=JacklikestohelphissisterwithEnglish.杰克喜欢帮助他的妹妹学习英语。,basicadj.基本的；基础的basic在句中可作定语或表语，常与介词to连用。e.g.Thesearethebasicrulesofplayingbasketball.这些是打篮球的基本规则。DrumsarebasictoAfricanmusic.鼓是非洲音乐的基本乐器。,4.Thetreesandplantstakeenergyfromthesunandturnitintofood.(教材P20)take...from...从……获取……from是介词，后面可接名词、代词或动名词。e.g.Wecantakeenergyfromthefoodanddrinks.我们能从食物和饮料中获取能量。,5.Medicineandclothingarealsomadefromtreesandplants.(教材P20)bemadefrom由……制成bemadefrom从成品中看不出原材料，制成物已改变了原材料的性质。bemadeof由……制成，指从原料到制成品，原有性质不变。辨析：bemadefrom与bemadeof,6.Thatway,thewindandwaterdon’tcarrythesoilaway.(教材P20)carry...away把……带走/搬走e.g.Wouldyoupleasehelpmecarrytheheavybagaway?请你帮我把这个沉重的袋子搬走好吗?与away有关的其他短语take...away把……带走put...away把……收起来/放好goaway走开,7.Inaword,wecan’tlivewithoutplants!(教材P20)inaword总而言之，相当于inoneworde.g.Inaword,Ican’tgooutasIhavemanythingstodo.总而言之，我不能出去，因为我有许多事情要做。与word有关的其他短语：①haveawordwith...与……谈一谈②havewordswith...与……争吵③inotherwords换言之；换句话说,一、单项选择1.Let’s____treesandthereasonwhyweneedthem.A.totalkaboutB.talkingaboutC.talkwithD.talkabout2.Donutsdon’tgrow_____trees!A.inB.onC.atD.in3.Canyouseesevenmonkeys____thetree.A.onB.inC.ofD.above4.Thedesksaremade_______wood.A.inB.fromC.intoD.ofExercises,二、根据汉语意思完成句子1.在公园里散步真令人愉快。_______________haveawalkinthepark.2.我们可以从牛奶和鸡蛋中获取能量。Wecould_______________milkandeggs.3.总之，我们必须马上离开。__________,wemustleaverightaway.4.这本书对我很重要。Thisbookisvery___________me.5.面粉是用小麦做成的。Flour___________wheat.It’spleasanttoismadefromtakeenergyfromInawordimportantto,HomeworkPreviewthepassageLesson9.Dotheexercisesinstudents’book.