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Unit8ModernAgricultureAgricultureandourlifeLesson21.industry2.operation3.labor4.feedWordstolearn--2Industry工业，产业•Twohundredyearsago,agriculturewasAmericanbiggestindustry.•两百多年前，农业是美国最大的产业。•Theinformationindustryisanewindustryinourcountry.•信息产业在我国是新兴产业。Operation操作，运转•ItissaidthatfarminginAmericatodayisthreefourthscomputeroperationandone-fourthphysicallabor.•据说当今美国农业四分之三由计算机操作，四分之一靠体力劳动。•Themachineisinoperation.•这台机器在运转。operatevt.&vi.运转；操作；经营；管理vi.开刀；（对…）动手术；动手术；（在某地）采取军事行动vt.操作，控制，使运行Itisunethicalfordoctorstooperateupontheirwives.我认为医生为自己妻子做手术不合乎职业道德。Labor劳动；劳力•Byusingthemachines,thefarmerscansavebothtimeandlabor.•通过使用机器，农民们能节约时间和体力。•Thepricewillincludethelaborandmaterials.•价格包括人工费和材料费。Feed养，养活•Americanfarmersusedtogrowonlyenoughfoodtofeedtheirfamiliesandanimals.•过去美国农民种植的粮食只够养活自己的家庭和牲口。•Willyoufeedmycatforme?•请帮忙喂我的猫吗？ComputerizedFarming电脑化农业Text1.It’safactthatcomputerizedmachineryplaysanimportantpartinmodernfarmingtoday.Sincenewfactoriesandtownshavebeenbuiltongoodfarmland,therearenowfewerfarmstoservetheincreasinglylargepopulation,sothefarmsmustbemoreefficientinordertoproduceenoughfoodfortheincreasingpopulation.1.It’safactthat…事实是。。。2.computerizedmachinery电脑化机械设备3.playsanimportantpartin…起着重要的作用4.modernfarming现代农业5.goodfarmland农田6.fewer：few----fewer---fewest;little–less--least7.largepopulation人口多少large--small8.inordertodo为了做。。。9.increasingpopulation.增长的人口2.Twohundredyearsago,ninety-fivepercentofAmericanworkerswerefarmers,andagriculturewasAmericanbiggestindustry.TodaylessthantwopercentofAmericanworkersarefarmers,andyetagricultureisstilloneofthebiggestindustriesinAmerica.Americanfarmersusedtogrowonlyenoughfoodtofeedtheirfamiliesandanimals;noweachfarmergrowsenoughtofeed120otherpeople.Allofthesearebelievedtobetheresultsofcomputerizedmachinery.ItissaidthatfarminginAmericatodayisthree-fourthscomputeroperationandone-fourthphysicallabor.Theusemachinestoraisechickens,cowsandotherlivestock.1.twohundredyearsagoago--beforebefore--after2.ninety-fivepercentof…百分之九十五--95%3.lessthan少于。。。morethan多于。。。4.usedtogrowusedtodosth.过去（常常）做。。。5.feedtheirfamiliesandanimals---feed120otherpeople6.Itissaidthat…据说。。。7.three-fourthscomputeroperationone-fourthphysicallabor8.raisechickens,cowsandotherlivestockraise---feed3.Computerizedmachineryinmodernfarmingmeanstheuseofmodernmachinerywithhighintelligenceonfarms.Byusingthemachines,thefarmerscansavebothtimeandlabor.1.modernfarming2.savebothtimeandlabor.4.Computerizedmachineryhashelpedmodernfarmingalot,butwhat’stroublingsomefarmersisthattheyhavenoproperfarmingmachinesforsomespecialfarmingjobs.Thoughgreateffortshavebeenmade,theproblemisfarfrombeingsolved.1.what’stroublingsomefarmersisthat….2.greateffortshavebeenmade---makegreateffort做出很大的努力3.Theproblemisfarfrombeingsolved.问题还没有解决。1.Whatplaysanimportantpartinmodernfarming?It’safactthat_______________________________.2.HasAmericacompletelyrealizedcomputerizedfarming?No.It’ssaidthat_____________________________.3.Forsomespecialfarmingjobs,what’sthefarmers’trouble?What_______________________isthat____________________.Task4computerizedmachineryplaysanimportantpartinmodernfarmingtodayfarminginAmericatodayisthree-fourthscomputeroperationandone-fourthphysicallabor.theyhavenoproperfarmingmachinesforsomespecialfarmingjobs.istroublingsomefarmersGrammar名词性从句相当于名词名词从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。引导名词性从句的连接词可分为三类：连接词：that,whether,if连接代词：what,whatever,who,whoever,whom,whose,which.连接副词：when,where,how,why注意：1。that只起连接主句和从句的作用，在从句中不担任任何成分，本身也没有词义，宾语从句中可省略2。不充当介宾3。引导主语从句、表语从句和同位语从句,that不可省略。名词性从句的引导词：1.连接词：that、if、whether不作成分无意义2.连接代词：who、whom、whose、what、which3.连接副词：when、where、why、how“是否”作主宾表定语作主/宾/表作状语从句名词性从句主语从句形容词性从句副词性从句同位语从句表语从句宾语从句定语从句状语从句Prep.+宾语从句Vt+宾语从句英语句子的基本结构可以归纳成五种基本句型;及其扩大、组合、省略或倒装。掌握这五种基本句型，是掌握各种英语句子结构的基础。英语五种基本句型列式如下：1.SVP2.SVi3.SVtO4.SVtoO5.SVtOC1.主＋系＋表2.主＋谓Vi3.主＋谓Vt＋宾4.主＋谓Vt＋双宾5.主＋谓Vt＋复合宾语1.主＋系＋表2.主＋谓Vi3.主＋谓Vt＋宾4.主＋谓Vt＋双宾5.主＋谓Vt＋复合宾语主语从句表语从句3.S+Vt+that/wh-clause宾语从句主+谓主+系+表主+谓+宾介词+宾语1.That/wh-clause+V+…主语从句2.S+be/link.V+that/wh-clause表语从句4.S+Vi+prep+wh-clause宾语从句名词性从句•名词：•名词的性质：•从：•句:•book;friend;Kate•Thisis.isinteresting.•Iboughttoday.•likesthebook.•从属，服从，不独立•句子，动词表现为时态形式同位语宾语主语表语ThebookabookthebookMyfriendKate辨别下列名词性从句的类别：1.Howthebookwillselldependsonitsauthor.2.JohnsaidthathewasleavingforLondononWednesday.3.Thefactisthathehasnotbeenseenrecently.4.Thefactthathehasnotbeenseenrecentlydisturbseveryoneinhisoffice.5.HewilltalktousaboutwhathesawinU.S.6.ItisimpossiblethatIgoandattendthemeeting.主语从句宾语从句表语从句同位语从句宾语从句主语从句看看我们都会哪些主语从句？Itissaidthat…It’sreportedthat….ItisimpossiblethatIgoandattendthemeeting.ItisimpossiblethatIgoandattendthemeeting.看看来历:It’sdifficultforsb.todosth.___Chinahasthelargestpopulationintheworld名词性从句的健康问题That_________________________________________isabigproblemIt避免名词性从句头重脚轻摔跟头看看我们学过的宾语从句！A:WhatisPeterdoingnow?Doyouknow?B:Iknow(that)_____________now.PeterisfishingPeter:I’mfishingnow.A:WhatdidPetersay?B:Hesaid(that)____________.hewasfishingLookatthepictures1.Hewillbebackinanhour.Ihear.2.Ihear____he___bebackinanhour.3.Theymissusverymu