冀教版八下Unit 2 Plant a Plant! Lesson 7课件

Unit2Plantaplant!Lesson7:PlantingTrees,学习目标Keywords&phrases:hole;large;cover;fill;storm;dirty;northern;bottom;fill...with...;bytheway;duststorm;turninto;forsure;inthebottomof.Keysentences:1.Itmustbelargeenoughtoholdtherootsoftheseedling.2.Ms.Liutoldusthewindblowsthedirtandthesandherefromthenorth.3.It’sfunandimportanttoplantplants.Tolearnhowtoplantatreeandprotecttheenvironmentinourdailylife.,Words&ExpressionsLet'sreadholelargerootseedlingcoverfilln.洞adj.大的；巨大的n.根n.幼苗；秧苗v.覆盖n.盖子v.装满；充满,Words&ExpressionsLet'sreaddirtpackduststormdirtynorthernn.泥土；污物v.堆积；压实；装箱n.沙土；尘土；灰尘n.暴风雨adj.不干净的；肮脏的adj.北方的；北部的,Words&ExpressionsLet'sreadbottomfill...with...bythewayduststormturnintoforsureinthebottomofn.底部；最下部用……填满顺便说一下沙尘暴变成肯定地；确定地在……底部,Warming-upDoyouknowwhenTreePlantingDayisinChina?It’sonMarch12.,Let'swatchavideo!,Doyouknowhowtoplantatree?Lookandsaydigaholeputtheseedlingintothehole,Lookandsayfilltheholewithdirtpackthedirtaroundthenewtreewaterthenewtree,PresentationTHINKABOUTIT·WhenisTreePlantingDayinChina?·Whatarethebasicstepsforplantingatree?It’sMarch12.LiMingandhisclassmatesareonahillside.Theyareplantingtreesasaschoolproject.Aworkeristherehelpingthem.,LiMing：Excuseme,sir.Wearediggingahole.Isitbigenough?Worker：Maybeyoushouldmaketheholealittlebigger.Itmustbelargeenoughtoholdtherootsoftheseedling.LiMing：Isee.Thankyou.Worker：Now,puttheseedlinginside,covertherootsandfilltheholewithdirt.Thenpackthedirtaroundthenewtreewithyourfeet.WangMei：OK.Bytheway,thereisanothergroupofpeopledownthehill.Aretheyalsocomingtoplanttrees?,Worker：Yes.Manypeopleareworriedbecausetheenvironmentischanging,andtheywanttodosomethingtohelp.LiMing：Thesechangesareserious.Whenthereisaduststorminspring,itgetswindyanddirtyeverywhere.WangMei:Ms.Liutoldusthewindblowsthedirtandthesandherefromthenorth.Nothingcanstopthewindbecausetherearenotmanytreesleft.Worker:Exactly.Alotofrichlandsinthenorthernareahaveturnedintodesert.,LiMing：Isupposetreeplantingisveryimportantwork.WangMei：Forsure.Ireallylikethisproject.It’salsoagreatwaytolearnaboutnature.Worker：Yes.It’sfunandimportanttoplantplants.Oh,andpleaseremembertoputalittlewaterinthebottomofthehole.,Let’sDoIt!1.Readthelessonandwritetrue(T)orfalse(F)．1．LiMingandWangMeiwerehavingapicniconafarm.()2．Theyaskedateacherforhelp.()3．LiMingsawanothergroupofpeopleonthehillside.()4．WangMeireallylikedtheproject.()FFFT,2.Fillintheblankswiththewordsinthebox.Thenputthestepsforplantingatreeinthecorrectorder.□Putthe________oftheseedlingintothehole.□Putalittlewaterinthe________ofthehole.□________therootsandfilltheholewithdirt.□Packthedirt________thenewtreewithyourfeet.□Diga________bigenoughtoholdtherootsoftheseedling.bottomholearoundcoverrootsrootsbottomCoveraroundhole23451,3.Completethepassagewiththemissingphrases.TheGreenGreatWallwasbuiltacross________ofthecountry.WhatistheGreenGreatWall？Itismadeupofstripsofhumanplantedforest.Eachyear________blowalotofsoilofftheland.Thingsaregettingmoreandmoreserious.About3600squarekilometresofgrasslandaretakenbytheGobiDeserteveryyear.DC,TheGreenGreatWallprojectstartedin1978.By________,peopleholdbacktheexpansionofthedesertandraisenorthernChina’sforestcoverageby5%to15%.Bytheyear2050,________willbeabout2800mileslong.BAA．theGreenGreatWallB．plantingmoretreesC．duststormsD．thenorthernpart,4.Workinpairs.Readthelessonandthepassageaboveagain.Whyshouldweplanttrees？Talkaboutitandlistatleastthreereasons.1．2．3．Wecanhavearestintheshadeunderthetree.Treescanstoptheduststorm.Treeshelpusfulfillourbasicneeds.,Languagepoints1.Maybeyoushouldmaketheholealittlebigger.(教材P18)make+sb./sth.＋宾补　使某人/某物……e.g.Theymadehimcaptain.他们选他当队长。Thenewsmadehimsad.那条消息使他悲伤。Hemademerepeatit.他让我将它重述一遍。名词作宾语补足语形容词作宾语补足语动词原形(不带to的动词不定式)作宾语补足语,WhenIfirstcametoNewYork,Ihadalotoftroublemakingmyselfunderstood.我刚到纽约时，想让别人听懂我的话非常困难。Thechildrenmustbemadetocleantheirownroom.必须叫孩子们打扫他们自己的房间。过去分词作宾语补足语makesb.dosth.的被动形式为sb.bemadetodosth.(某人被迫做某事),2.Itmustbelargeenoughtoholdtherootsoftheseedling.(教材P18)enoughadj.充足的；adv.足够地；充足地beenoughtodosth.意为“足够……做某事”，动词不定式表示结果，其逻辑主语可用介词for引出。e.g.Heisoldenoughtogotoschool.他(年龄)足够大，可以上学了。Theiceisn’tthickenoughforyoutowalkon.这冰不够厚，你不能在上面走。Hehasenoughmoney/moneyenoughtobuyacar.他有足够的钱买一辆汽车。,too...to...表示“太……而不能……”，so...that...表示“如此……以至于……”，它们有时可与not...enoughtodosth.互换。e.g.Theboxistooheavyformetocarry.＝TheboxissoheavythatIcan’tcarryit.＝Theboxisn’tlightenoughformetocarry.这个箱子太重，我搬不动。,可前可后只能后置+enough名词形容词或副词+enoughenough+注意：,3.Now,puttheseedlinginside,covertherootsandfilltheholewithdirt.(教材P18)coverv.覆盖n.盖子；封面作动词常用结构：coverAwithB用B覆盖Abecoveredwith被……覆盖e.g.Shecoveredherfacewithherhands.她双手掩面。Thebookneedsanewcover.这本书需要一个新封面。Theroadisusuallycoveredwithsnow.这条路通常被雪覆盖。Sheusedacovertocoverabox.她用一个盖子盖一个箱子。,fillv.充满；装满常用结构：①fill...with...“用……装满……”，主语是人，强调动作的过程。②befilledwith装满；充满。同befullof。e.g.Hefilledthecupwithtea.他把杯子里装满了茶。Thecupwasfilledwith/fulloftea.杯子里装满了茶。,fill的其他固定搭配fillin填写fillout(使)膨胀，扩张，填写fillup(使)充满，填满,4.Bytheway,thereisanothergroupofpeopledownthehill.(教材P18)bytheway顺便问一下常用来表示说话人要转入一个新话题。e.g.Bytheway,whereishe?顺便问一下，他在哪里？由way构成的其他词组：①alltheway一路上；自始至终②inaway在某种程度上③onone’s/theway(to...)在(某人去……的)路上④intheway妨碍；挡道,5.Alotofrichlandsinthenorthernareahaveturnedintodesert.(教材P18)turninto变成e.g.Watercanturnintoice.水可以变成冰。Howcanweturnwaterintowatervapor?我们如何能把水变成水蒸气？turn构成的短语turnoff关掉turnaround转身；翻转turnback折回；回来turndown把……调低turnon打开turnover翻转turnup把……调高；露面turnout出席；证明是,6.Oh,andpleaseremembertoputalittlewaterinthebottomofthehole.(教材P18)remembertodosth.记得去做某事①remembertodosth.记得要做某事(事情还未做)②rememberdoingsth.记得做过某事(事情已经做了)辨析：remembertodosth.与rememberdoingsth.,e.g.I’llremembertomailtheseletters.我会记得去寄这些信。Whenyouleavetheroom,remembertoturnoffthelight.当你离开房间的时候记得要关灯。Mysisterrememberedlockingthedoor.我妹妹记得锁过门了。,Exercises一、单项选择1．Whatcanwecovertheroof________？Therainistooheavy.A．inB．withC．ofD．for2．Thereisafish________thebottle.A．tothebottomofB．atthebottomofC．tobottomofD．atbottomof,3．Lookout!Thecupis________hotwater.A．fullofB．fillwithC．fullD．fill4．—WhathappenedtoMark?—Hefell________thebike________asnowymorning.A．off;inB．down;atC．off;onD.down;in,HomeworkPreviewthepassageLesson8.Dotheexercisesinstudents’book.