2023学年完整公开课版Unit2WorkingthelandUsingLanguage

Unit2WorkingthelandUsingLanguage课堂要点探究2课堂达标验收3课前新知预习1课时作业4课前新知预习Ⅰ.单词速记1．________(n.)营养；滋养；食物2．________(vt.)画底线标出；强调________(adj.)画线的3．________(n.)总结；摘要；强调__________(v.)强调，总结4．________(n.)评论；议论(vi.&vt.)表达意见；作出评论5．________(vt.)使迷惑；使为难→confusing(adj.)令人迷惑的→confused(adj.)感到迷惑的→confusion(n.)迷惑6．________(vt.)遗憾；惋惜(n.)遗憾；懊悔→regretful(adj.)后悔的nutritionunderlineunderlinedsummarysummarizecommentconfuseregret7．________(adj.)化学的；关于化学的→chemistry(n.)化学8．________(n.)生产；制造→produce(v.)生产9．discover(vt.)发现→________(n.)发现；发觉10．________(vt.)减少；减缩→reduction(n.)减少chemicalproductiondiscoveryreduceⅢ.完成句子1．在过去的50年里，在农业中使用化肥已很普及。Overthepasthalfcentury,________________________hasbecomeverycommoninfarming.(动词－ing形式作主语)2．他们专心于使土壤肥沃并且无病害。Theyfocuson_____________________________.(keep＋宾语＋宾语补足语)usingchemicalfertilizerskeepingtheirsoilrichandfreeofdisease3．他们觉得这可以让地里的土壤更富含矿物质，从而变得更肥沃。Theyfeelthatthis__________________________.(make＋宾语＋宾语补足语)makesthesoilintheirfieldsricherinmineralsandsomorefertile4．为了阻止风把土壤吹走或水把土壤冲走，使用有机耕作的农民们喜欢在作物之间种草并且把它留在地里成为下年作物的天然肥料。Someorganicfarmers_________________________________________________________________________，andthenleavingitinthegroundtobecomeanaturalfertilizerforthenextyear'scrop.(preferdoing...喜欢做……；prevent...fromdoing...阻止……做……)preferplantinggrassbetweencropstopreventwindorwaterfromcarryingawaythesoilⅣ.课文理解Step1

FastReadingScanthepassageandthenchoosethebestanswersaccordingtothepassage.1．Fromthepassage,wecanseeorganicfarmersarethosewho________.A．growcropswithchemicalfertilizersB．growcropswithnaturalfertilizersC．produceorganicfertilizersD．carefortheenvironment2．Fromthefourthparagraph,weknowthat________.A．it'snotgoodtoplantgrassbetweencropsB．peanutsusethesurfaceofsoilC．peasandsoybeansshouldbegrowntogetherwithcornandwheatD．vegetablesthatputdowndeeprootsareharmfultothesoil3．________sothatthesoilmaynotgetexhausted.A．FarmersgrowthesamecropsyearafteryearB．FarmersusenaturalfertilizersC．FarmerschangecropseveryfewyearsD．Farmersusechemicalfertilizers4．Howmanywaysdotheorganicfarmershavetokeeptheirsoilfertileandhealthy?A．3

B．4

C．5

D．6Step2

CarfulReading1．细读文章并完成空格。DisadvantagesofchemicalfarmingMethodsoforganicfarmingAdvantagesofmethodsItcandamagethelandby(1)________helpfulbacteriaanddamagepeople'shealthbybuildingupintheirbodiesand(2)________tocancerorotherillnesses.Farmersuse(3)________wastefromanimals.Thismakesthesoilricherinmineralsandsomore(4)___．Farmersoften(5)________thekindofcropineachfieldeveryfewyears.Changingthecropsrenewsthe(6)________inthesoilandhelpsitbecomerichandhealthy.Farmersplantcropswithdifferent(7)________ofroots.Thisusesdifferentlevelsofsoil.Farmerssometimesplant(8)________betweencropsandleaveitintheground.Thispreventswindorwater(9)________carryingawaysoilandactsasanatural(10)________.2.Readthetextandfindoutthemainideaofeachparagraph.Paragraph1(

)

A．Problemscausedbychemical fertilizers.Paragraph2(

) B．Farmersandcustomersturnto organicfarming.Paragraph3(

) C．Long－termuseofchemicalf ertilizerscancausedamagetothe landandpeople'shealth.Paragraph4(

) D．Othermethodstokeepthesoil fertile.答案：Step1

1.B

2.B

3.C

4.BStep2

1.(1)killing

(2)leading

(3)natural

(4)fertile(5)change

(6)minerals

(7)lengths

(8)grass

(9)from(10)fertilizer

2.CABD课堂要点探究1.confusevt.使迷惑；使为难①Itisimportanttoexplainthisagainorwewillconfusethestudents.再次对此作出解释是很重要的，否则我们会让学生感到迷惑的。②Youmustbeconfusingmewithsomeoneelse.你一定是把我和其他什么人搞混了。知识拓展(1)confuseAwithB把A与B混淆(2)confusedadj.(人)不知所措的；困惑的beconfusedabout...对……感到困惑(3)confusingadj.(事/物)令人困惑的；难懂的(4)confusionn．混乱；困惑Moststudentsareconfusedabouttheconfusingproblem.很多学生对这个令人困惑的问题感到困惑。活学活用根据句意用confuse及其派生词的适当形式填空。①Shealways________Johnwithhistwinbrother.她总是把约翰和他的孪生兄弟分不清楚。②Someonehas________allhispapersonhisdesk,andhewasannoyedwiththe________.有人把他桌上的文件弄乱了，他对这一片混乱感到恼怒。③Thesituationis________toallofus.形势使我们大家都感到迷惑了。④Theywere________aboutthepresentsituation.他们对当前的形势感到困惑。答案：①confuses②confused;confusion

③confusing④confused2．regret(1)vt.遗憾；惋惜①Amanwithoutalongheadwouldregretwhathehasdone.无远见的人将后悔自己所做的事。②Ihaveregrettedhavinglefttheworkunfinished.这件工作我没有做完，感到有些遗憾。(2)n.遗憾；懊悔Ideclinedwithmuchregretyourkindinvitation.很遗憾，我不能接受您的盛情邀请。知识拓展(1)regrethavingdone/doingsth.后悔做了某事regrettosay/tell/inform...that遗憾地说(告知)……regretthat＋从句遗憾……(2)toone'sregret让某人感到遗憾的是withgreat/deepregret很遗憾Weregrettoinformyouthatwecannothelpyou.我们很遗憾地通知您，我们无法帮助您。活学活用完成句子。①非常遗憾，我没有同他们一起去。________________，Ididn'tgowiththem.②我们婉拒了他们的帮助。Werefusedtheirhelp________________.③他后悔那么早就离开家里。Heregretted__________________________________.答案：①Muchtomyregret②withregret③leavinghomesoearly/thathehadlefthomesoearly/havinglefthomesoearly3．focus(1)n.焦点；中心点①I'msotiredthatIcan'tfocusonanythingtoday.今天我太累了，精神集中不起来。②Ifyoufocusbrightsunlightondrywoodwithaglass,itwillstartburning.假如你用镜子将强烈的阳光聚焦于干燥的木头上，它便会燃烧起来。(2)vt.集中；聚焦Shealwayswantstobethefocusofattention.她老想成为人们注意的中心。知识拓展(1)focuson集中(注意力、精力等)于focusone'sattention/one'sthoughts/one'sminds/one'seyeson...集中注意力/精力/思想于……/眼睛注视着……(2)bring/throwsth.intofocus使集中在焦点上；使清楚起来；使明朗化；使突出comeintofocus(某物)轮廓明显，清晰；(问题)突出infocus焦距对准；清晰outoffocus焦距没对准；模糊thefocusofattention关注的焦点Pleasefocusyourmindsonthefollowingproblems.请集中精力思考下列问题。活学活用翻译句子。①ThecoffeeshopisthefocusofsociallifeinFrench.______________________________________________完成句子。②Alloureyes__________________________thespeaker.大家的目光都集中在发言人身上。③_________________________________thosetrees.把照相机的焦点集中在那些树上。答案：①在法国，咖啡馆是社交生活的中心。②werefocusedon③Focusyourcameraon4．reducevt.减少；减缩①Ahealthysoilreducesdiseaseandhelpscropsgrowstrongandhealthy.肥沃的土壤减少了病害并且有助于农作物的茁壮成长。②Greenissucharestfulcolorthatithastheabilitytoreducepainandrelaxpeoplebothmentallyandphysically.绿色是让人感到安静的颜色，它能够减轻疼痛，让人们在身体和精神上得到放松。③Shereducedherweightbyfivekilograms.她把体重减轻了5千克。知识拓展(1)reducesth.by...把……减少了……reducesth.to...把某物降到……reducethespeed降低速度(2)reduce...(from...)tosth.使……(从……)陷入某种状态或状况中reduceapersontoterror(tears,silence)使某人恐惧/流泪/沉默(3)reductionn．减少；缩小④Anxietyaboutthefateofhisfamilyreducedhimtoanervouswreck.对家人命运的担忧使他精神崩溃。活学活用(2015·山西山大附中月考)Shortlyaftersufferingfromamassiveearthquakeand________(reduce)toruins,thecitytookonanewlook.答案：beingreduced句意：这座城市在经历大地震并陷入一片废墟后不久，就呈现出了新面貌。考查非谓语动词。空格处与sufferingfrom...为并列成分，均为介词after的宾语，thecity与reduce之间是逻辑上的被动关系。5．comment(1)n.评论；议论Swapsummarieswithyourpartnerandgiveeachothercomments.与你的搭档交换课文概要，然后相互作出评论。(2)vi.&vt.表达意见；作出评论Hecommentedthathethoughtitwastimeforustogohome.他发表意见说我们回家的时间到了。知识拓展(1)makecommentson/about...对……加以评论Nocomment！无可奉告！offercomments提意见(2)commenton/uponsth.对……发表评论commentthat...评论说……Sorry,nocomment！对不起，无可奉告！活学活用完成句子。①She_____________________mywork.(commentn．)她对我的工作提出了有益的意见。②He____________________whatIsaid.(commentv．)他对我的话未作评论。一句多译。③许多国家对这次卫星发射失败(thefailedsatellitelaunch)发表评论。a．Manycountries___________________.(commentv．)b．Manycountries_________________.(commentn．)答案：①madehelpfulcommentson②didnotcommenton③commentedon/uponthefailedsatellitelaunch;madecommentson/aboutthefailedsatellitelaunch6．summaryn．总结；摘要；概要①Pleasewritemeasummaryofthisreport.请给我写一份这份报告的摘要。②Hemadeasummaryofwhathadbeendone.他总结了所做的事情。③Insummary,thisprogrammehasbenefitedmeagreatdeal.总而言之，这个计划令我获益良多。知识拓展(1)make/writeasummaryof作/写总结insummary概括地说，总之，简要地说(2)summarizevt.&vi.概括，总结，汇总tosummarize总的来说①IwillsummarizewhatIhavedone.我将总结一下我做的。②Tosummarize,thesouthwillbringinthemostbusiness.总的来说，南部地区将会吸引最多的业务量。活学活用完成句子①____________，thecampaignhasbeenagreatsuccess.总的看来，这场运动成绩很大。②Hereis_____________________________________.下面是新闻摘要。③Wehadto________________________ofthechapter.我们要给这一章写个摘要。答案：①Insummary/Tosummarize②asummaryofthenews/anewssummary③writeasummary1.buildup(1)增加；积聚①Trafficisbuildingupalongtheroadtothecoast.通往海边的道路上的车辆在不断增加。②Takingexercisewillbuildupyourstrength.锻炼可以增强你的体力。(2)逐渐获得，建立①Hehasbuiltupagoodbusiness/reputation.他已经使他的生意兴隆起来/他已经获得了好的名声。②He'sbuiltupthefamilyfirmintoanmultinationalcompany.他把家族公司发展成为一家跨国大公司。(3)盖满了房屋ThedistricthasbeenbuiltupsinceIwaslastthere.该区自从我上次去过以后已经盖满房屋。活学活用写出下句各句中buildup的意义。①I'mverygladtoseethatyourvocabularyisgraduallybuildingup.(

)②Hedevotedhimselftobuildinguptheruinedcountry.(

)③Inviewofthepresentsituation,wehavetobuildupourotherindustries.(

)答案：①逐渐增多②建立③开发语法填空。④PractisingChinesekung

fucannotonlybuild______one'sstrength,butalsodevelopone'scharacter.答案：up

buildup“增强”。句意：练习中国功夫不仅可以增强体质还可以磨炼意志。⑤Takingsomeexerciseeverydaywillbuild________yourhealth.答案：up

buildup“逐渐增强，建立，开发”。句意为“每天进行体育锻炼会增强你的健康”。⑥(2013·浙江，17改编)Bearsbuild________fatstoresthroughoutthesummerandfalltohaveenergyenoughtolastthemthroughtheirwintersleep.答案：up句意：狗熊在夏天和秋天开始脂肪的储存以使他们有足够的能量来度过冬眠。buildup逐步建立。2．leadto(1)导致，造成(后果)①Manyofthesechemicalscanleadtocancerorotherillnesses.这些化学物质中很多会引起癌症或其他疾病。②Hislazinessledtohisfailinginthelastexam.他的懒惰令他期末考试不及格。(2)通往……AllroadsleadtoRome.条条大路通罗马。名师点拨leadto用法小贴士leadto中的to是介词，后应该接名词或动名词作宾语。含义同resultin/bringabout，意为“导致”。知识拓展leada．..life过……样的生活lead...to/into...把……领到/领进……leadtheway引路；带路Thesecretaryfinallyledusintotheofficeofhisboss.秘书终于领我们进了他老板的办公室。活学活用完成句子。①He_____________，and________________avillageofTibet.Therewefoundthelocalpeople__________________.他带路，把我们领到了西藏的一个小村庄。在那里，我们发现当地人过着幸福的生活。答案：ledtheway;ledusto;led/leadingahappylife语法填空。②Lookoverthere—there'saverylong,windingpath________(lead)uptothehouse.答案：leading句意：看那儿——有一条长长的弯曲的小径通往那座房子。leadto通往，用其非谓语形式作后置定语。③Hisfriendsgaveawaysomeinformation，whichledtohis________(arrest)．答案：beingarrested句意为“他朋友泄露出一些信息，这导致他被逮捕”。leadto“导致”，to为介词，后接动名词，此处考查动名词复合结构的被动形式。3．keep...freefrom/of使……免受(影响、伤害等)；使……不含(有害物)Thisalsokeepstheair,soil,waterandcropsfreefromchemicals.这还有助于空气、土壤、水和农作物免受化学物质的污染。知识拓展keepsb./sth.fromdoing＝prevent/stopsb./sth.fromdoing阻止某人干某事/防止某事发生keepsth.fromsb.不想将某事告诉某人；将某事瞒着某人①Ijustmanagedtokeepmyselffromfallingdown.我努力不让自己摔倒。②Sheknewthathewaskeepingsomethingfromher.她知道他有事瞒着她。活学活用①You'dbetter__________________________________.你们最好让这个地区免受空气污染。②Hisillness___________________________hiswork.疾病阻止了他继续工作。③Weshouldn't______________________________.我们不应该向她隐瞒任何事情。答案：①keepthisareafreeofairpollution②kepthimfromcontinuing③keepanythingfromher1.Recently,however,scientistshavebeenfinding

thatlongtermuseofthesefertilizerscancausedamagetothelandand，evenmoredangerous,topeople'shealth.然而，最近科学家发现长期使用这些肥料会造成土地受损，甚至更危险的是，会对人们的健康造成危害。句式分析(1)这是个主从复合句，that引导的是宾语从句作谓语动词find的宾语。(2)havebeenfinding是现在完成进行时。现在完成进行时表示一个动作开始于过去，持续到现在，并强调现在还在进行。①Nowonderyouaresotired.Youhavebeenworkingallday.难怪你这么累，你工作一天了。②Becauseofillness,hehasbeenlyinginbedallday.由于生病，他整天都躺在床上。活学活用完成句子。①Look!I

thehousethewholemorning.看，今天上午我一直在粉刷房子。②ThenumberofforeignstudentsattendingChineseuniversities

steadilysince1997.从1997年以来上中国大学的外国学生的数目在稳定上升。③(2014·湖南改编)Sincethetimehumankindstartedgardening,we

(try)makeourenvironmentmorebeautiful.答案：①havebeenpainting②hasbeenrising③havebeentrying句意：自从人类从事园艺以来，我们一直在将我们的环境打造得更美丽。结合语境及题干中的关键词since，句中表从过去到现在一直发生的动作，故应用现在完成进行时态。2．Theyfellthatthismakesthesoilintheirfieldsricherinmineralsandsomorefertile.他们觉得这可以让地里的土壤更富含矿物质，从而变得更肥沃。句式分析(1)此句为主从复合句。(2)句中“makesthesoilintheirfieldsricherinmineralsandsomorefertile”为make＋复合宾语。其中“richerinmineralsandsomorefertile”为宾语补足语。(3)make＋宾语＋宾语补足语(n./adj./do/done)。①Hetriedhardtomakehisfuturebrighter.他尽力使未来更光明。②Thebossusuallymakeshisworkersworkextrahours.老板通常让工人加班。活学活用仿写句子。①他们认为他们已把事情弄明白了。______________________________________________②他们觉得这让他们更加幸福快乐。______________________________________________答案：①Theyfeelthattheyhavemadeeverythingclear.②Theyfeelthatthismakesthemhappierandmorecheerful.3．Someorganicfarmerspreferplantinggrassbetweencropstopreventwindorwaterfromcarryingawaythesoil,andthenleavingitinthegroundtobecomeanaturalfertilizerforthenextyear'scrop.为了阻止风把土壤吹走或水把土壤冲走，使用有机耕作的农民们喜欢在作物之间种草并且把它留在地里成为下年作物的天然肥料。句式分析(1)此句为复杂的简单句。(2)句中谓语为prefer，其后面跟并列宾语“plantinggrass...”及“leavingit...”。(3)“toprevent...”及“tobecome...”为目的状语。①Hepreferswalkingalongtheriverinthemorning.他喜欢在早上沿河散步。②Hegotupearlytocatchtheearlybus.他早早起床来赶早班车。活学活用仿写句子①他们喜欢欣赏美丽的大自然来放松身心。They________thebeautifulnature___________.②她喜欢读英文书来逐渐增加词汇量。She____________Englishbooks_____________.答案：①preferenjoying;torelaxtheirbodiesandmind②prefersreading;tobuilduphervocabularies4．Cropssuchaspeasorsoybeansputimportantmineralsbackintothesoil,makingitreadyforcropssuchaswheatorcornthatneedrichandfertilesoil.像豌豆或大豆这样的农作物将重要的矿物质带回土壤，从而使之适宜种植要求土壤肥沃的农作物，比如小麦或玉米。句式分析本句为一个复合句，making至句尾部分为现在分词作状语表示一种自然而然的结果；thatneedrichandfertilesoil为定语从句。知识拓展现在分词作结果状语时，表示一个自然而然的结果；不定式在句中作结果状语时常与only连用，表示没有预料到的或事与愿违的结果。①Moreandmoretreesandflowershavebeenplantedinourschool,makingitasbeautifulasagarden.我们学校里树木花草栽得越来越多，使学校像花园一样。②Theplatedroppedfromherhands,breakingintopieces.盘子从她手中掉了下来，成了碎片。③Hehurriedtoschool,onlytobetoldtherewasnoclass.他匆匆赶到学校，结果却被告知当天没课。④Heliftedastoneonlytodropitonhisownfeet.他搬起石头，却砸了自己的脚。名师点拨现在分词作结果状语表示一种很自然，意料之中的结果，动词不定式常与only连用作结果状语表示意料之外的结果。活学活用语法填空。①Thereturnofsnowandfreezingweatherinthesouthblockedabout14,000kmofroads,________(delay)morethan12,000passengersonSundayalone.答案：delaying“________morethan12,000passengersonSundayalone.”作结果状语，与主语“Thereturnofsnowandfreezingweather”是主谓关系，没有时间先后关系，仅仅说明了主语造成的一种很自然之中的结果。句意为“南方的大雪及冰冷天气的再次出现使大约14,000千米的公路受阻，仅仅星期天一天就有12,000多名乘客因此而耽搁了行程”。②Europeanfootballisplayedin80countries，________(make)itthemostpopularsportintheworld.答案：making句意：有80多个国家踢欧式足球，使足球成为全球最流行的运动。现在分词作结果状语，表示一个自然而然的结果。课堂达标验收Ⅰ.单词拼写1．Theimportanceofprotectingtheforesthasbeen________(强调)againandagain,butpeopletherearestillcuttingdowntrees.2．Soilshouldbeimprovedbyadding________(有机的)fertilizer.3．Thenewmodelwillgointo________(生产)nextyear.4．He________(浏览)thenewspaperbeforegoingtoworkeveryday.5．The________(发现)ofnewoilfieldsbroughtthepriceup.6．Theonlywaytodothatisto______(减少)expenses.7．Whenfoodgoesbad,therearesome________(化学的)reactionstakingplace.8．Iprefer__(矿物质)watertodistilledwater(蒸馏水)．9．Inordertokeepyourbodyhealthy,youshouldtaketheadviceondietand________(营养)．10．Afteryouhavereadthearticle,Iwouldlikeyoutowritea________(总结)．答案：1.underlined

2.organic

3.production

4.skims

5.discovery

6.reduce

7.chemical

8.mineral

9.nutrition

10.summar