教学目标与要求-.ppt

Unit24Thescienceoffarming,一、教学目标与要求通过本单元教学，继续学习、巩固有关直接引语和间接引语的内容。学生应能熟练地把直接引语转换为间接引语。复习有关谈论天气的话题，能熟练的描述各种天气。通过对课文的学习，让学生了解我国历史上农业发展的情况，并能用英语进行简单描述。二、教学重点与难点1重点词汇develop；experience；knockoutof；pointout；turnover；goagainst；agreetodo；nowandthen2重要句型1）Thesoilshouldalsobeturnedoverwithaforksothattheweedswouldbedestroyed2）Thebook，whichhas110000characters，isaboutbothfarmingandgardening3语法间接引语：1）Hesaidthatthebestseed-headsshouldbehunguptodry2）Theyaskedhimifitwasagoodideatosowwheatclosetogether3）Theyaskedhimwhenheharvestedthewheat4）Headvised/toldfarmerstodothingsattherighttimeofyear,4日常交际用语谈论天气（Talkingabouttheweather）：1）Itsabeautifuldaytoday2）Itsgoingtobedryandsunnyforthenexttwodays3）Whatstheweathergoingtobelikeattheweekend？4）Theysayitsgoingtobewetandwindy三、课型（一）对话课教具录音机，投影仪。课堂教学设计1教师通过以下步骤导入本课：向学生提出下列问题：1）Haveyoueverbeentoafarmbefore？2）Whenwetalkaboutthefarm，whatwordscanyouthinkof？可将学生给出的词语列在黑板上，借以复习相关词汇。如学生没提及天气情况，教师可用问题加以引导：Good！YouvegivenmealotofwordsthathavesomethingtodowithfarmingWhatabouttheweather？Doyouthinkthatweatherisimportantinfarming？Why？2准备放对话录音。借助投影片打出以下听前提问：1）Whatstheweatherlikeforthenexttwodays？2）Whatstheweathergoingtobelikeattheweekend？,放录音一至两遍，请学生回答上述问题，教师予以必要订正。Key：1）Itsgoingtobedryandsunnyforthenexttwodays2）Itsgoingtobewetandwindy3再次放对话录音，学生跟读。将学生分为两人一组练习对话。数分钟后，请两、三组同学到前面表演。教师指导学生归纳在本课中有关谈论天气情况的常用语句（见日常交际用语部分），并提供新的情景，由学生编小对话。情景1：YouaresupposedtoplanttreeswithyourclassmatestomorrowNowyouaretalkingabouttheweatherreportswithyourclassmatesanddiscusswhattodoifitrainsto-morrow情景2：YouandyourfriendsareplanningatriptothecountrybybikethiscomingSun-dayFromtheweatherreportsyoualreadyknowthatitisgoingtobefineinthemorningandtherewillbeastrongwindintheafternoonTalkwithyourfriendsandmakeacarefulplanaboutyourtrip经数分钟练习后，教师可请几位同学到前面进行表演，教师予以讲评。4要求学生将该课对话以狄克为第一人称的角度，改写为一篇短文。教师可给予必要的提示。提示语：1）afarmer，livinginEngland；2）beautifulday，workinginthefields；3）talkingabouttheweather；4）decidewhattodoforfarmwork,给出首句：Iamafarmer，livinginthewestofEngland要求学生根据对话，参照老师所给提示及首句，编写短文。Model：Iamafarmer，livinginthewestofEnglandIamalwaysbusywithmyfarmworkItsabeautifuldaytodayandImnowworkinginthefieldswithTimTimishelpingmeatthemomentWeretalkingabouttheweatherforthenexttwodaysandalsoforthecomingweekendAndwevedecidedtosowcarrotseedtomorrowandpicktherestofthecabbagesbeforetheweatherchanges当堂要求学生完成，如时间允许，可请几位同学朗读自己的短文，教师予以讲评。5布置作业1）预习第94、95课；2）完成练习册中安排的练习。（二）阅读理解课（）教具录音机，投影仪。课堂教学设计1检查生词及短语。,2教师通过以下提问导入正课：EverydaypeopleneedalotoffoodAndthefoodmainlycomesfromthecorn，thewheat，thericeandsoonFarmersgrowthemyearafteryearandprovideuswithenoughfoodInourcountrywestillhavealotofpeoplewhoarefarmersAndmanyfarmersstillworkwiththeirhandsthoughlotsofmachinesareusedevery-whereIfIaskyouwhatyouhavealreadyknownaboutfarming，maybefewofyoucananswerthisquestionwellNowwelllearnsomethingaboutfarminginoldChina，3教师给出读前提问：1）WhatwerethepeopleinothercountriesdoingwhilethefarmersinChinaweredevelopingthescienceoffarming？2）Whatbookdidhewrite？Whatisthebookabout？教师给学生数分钟，要求学生快速阅读课文。之后请同学回答上述问题。Key：1）PeopleinothercountriesweretryingtocatchwildanimalsandbirdsandwerestillcollectingseedsandnutswhilefarmersinChinaweredevelopingthescienceofagriculture2）HewroteabookcalledQiMinYaoShuandthebookisaboutbothfarmingandgardening4放课文录音，学生跟读一至两遍。教师就课文内容提问，检查学生的理解程度（可参阅练习册中所列出的问题）,5教师用投影仪打出以下statements，要求学生判断其正误。并对错误的statements进行修改。1）Chinawasthefirstcountryintheworldtostudythescienceoffarming2）Thetextdoesnottelluswheretheearliestresearchcentreforagriculturewas3）BothYiduandGaoyangwhereJiaSixieoncelivedandworkedareinShandongProvince4）HedidntwanttoworkinthegovernmentSohereturnedhomeandspenthistimeonagriculture5）Headvisedthefarmerstochoosethebestseed-heads，whichweremuchbiggerthanothers6）Aftertheseedsweresown，theyshouldbeknockedoutoftheseed-heads7）HepointedoutIwasimportantthatwheatshouldbeplantedwithspacebetweentheplants8）Hedidexperimentstoshowhiswaywasbetter9）ThebookcalledQiMinYaoShuwaswrittenoveryearsagoKey：1）False（Chinawasoneofthefirstcountriesintheworldtostudythescienceoffarming）2）False（Chinawastheearliestresearchcentreforagriculture）3）True4）False（Afteryearsofworkinginthegovernment，hereturnedhomeandspenthistimeonagriculture）5）False（Thebestseed-headswerethosewiththebestcolour）6）False（Be-foretheseedsweresown，theyshouldbeknockedoutoftheseed-heads）7）False（Hesaidthatitwasimportanttoplantwheatclosetogether）8）True9）False（Thebookwaswrittenduringtheyears533544，thatis，over1400yearsago）,6请学生利用课文所提供的内容，挑出有关描写贾思勰研究农业的词语：1）spenthistimeonresearchintoagriculture；2）collectedinformation，studiedit，didexperimentsandlearntfromtheexperiencesoffarmers；3）studiedwaysofkeepingseeds；4）studiedhowtoimprovesoilconditions；5）learnthowtocleanroughgroundbeforeplantingcrops学生先在小组内交流并相互启发、补充，然后请学生在班上交流。7布置作业1）复述课文；2）完成练习册中所安排的练习。阅读理解课（）教具录音机，投影仪。课堂教学设计1通过提问温习第一部分课文内容：1）Whichcountrywastheearliestresearchcentreforagriculture？2）FarmersinChinaweredevelopingthescienceofagriculturewhilepeopleinothercountrieswerestilltryingtocatchwildanimalsandbirdsandwerestillcollectingseedsandnutsWhatdoesitshow？3）WhowasJiaSixieandwherewasheborn？4）WhatdidhedoafterJiaSixiereturnedhomeafterworkingmanyyearsforthegovernment？5）Canyoutellussomethingabouthisadvicetothefarmers？6）WhendidhewritehisbookcalledQiMinYaoShu？Andwhatisthebookabout？Pleasegiveanexample2检查第一部分课文复述。,3教师用投影仪打出以下表格，要求学生在阅读第95课的同时，利用课文中所提供的信息填写表格，介绍贾思勰在齐民要术中有关种庄稼的一些建议：SaysomethingaboutJiaSixiespiecesofadvicefromhisbook“QiMinYaoShu”,学生先在小组内交流并相互启发、补充，然后请学生在班上交流。4布置作业1）复述课文，重点介绍贾思勰在齐民要术中有关种庄稼的建议；2）完成练习册中所安排的练习。（三）语言训练课教具投影仪。课堂教学设计1教师检查课文复述。2教师从本单元词语中选择部分常见词语，配以例句介绍给学生。要求学生反复练习这些例句，并请同学造句，教师予以讲评订正。词语：loaf；experience；knockoutof；condition；rough；pointout；turnover；goagainst；plough；yearafteryear例句：1）HerearefourpeoplebutIvegotonlythreeloavesofbreadWhatshallIdo？2）Haveyouhadanyexperienceinthiskindofwork？3）JiaSixietoldthefarmerstoknocktheseedsoutoftheseed-headsbeforesowingthem4）Shewasknockedoutbythesadnews5）Whatareconditionslikeinyourcountrynow？6）LookathishandsTheyareroughwithwork7）Hepointedoutthatitwasveryfoolishtodothat8）Thesoilmustbeturnedoverbeforeplanning9）Heturnedoverapageortwo10）Hewentagainsthismotherswishes11）Farmersploughtheirfieldsinautumnorspring12）YearafteryearIgotaletterfromhimonNewYearsDay,3书面表达练习中文提示（用投影片打出）：1）周兰生在城市，去年去农村经历难忘；2）建议教师去农村学农；3）周兰响应，乘火车前往老家；4）设想农村生活艰苦；5）后来发现机械化程度高，农村大变样英文提示（用投影片打出）：1）experience；2）pointout；3）farming；4）advisesomebodytodosomething；5）conditions；6）remove将首句给出：ZhouLanwasborninabigcity七、八分钟后，请几位同学朗读自己的短文，教师予以讲评。Model：ZhouLanwasborninabigcityShehadneverbeentothecountryuntillastsummervacationItwasawonderfulexperienceforherBeforethevacation，herteacherpointedoutthatitwasimportantforthestudentstolearnsomethingaboutfarming，andadvisedthemtogotothecountrysideforavisitSoZhouLantookatraintoherhometown-asmallvillageinSichuanProvinceBeforesheleft，shehadthoughtthattheconditionstheremustbeverybad：theroadmustberough；andthefarmerswilldonothingbutremoveweedseverydayWhenshegotthere，shewassurprisedtoseethatmachineswereusedalotinthefieldsandthelivingconditionsthereweremuchbetterthanshehadthoughtShestayedtherefortwoweeksandwasverymuchinterestedinfarming4布置作业1）预习第25单元；2）完成练习册中安排的练习。,四、难句分析1Heisalwaysbusywithhisfarmwork他总是忙于他的农场工作。bebusywith的意思是“忙于”。例如：Motherisalwaysbusywithherhousework妈妈总是忙于家务。Theypretendedtobebusywithpreparationfortheexam他们装着忙于备考的样子。busy也常用于bebusydoingsth意思是“忙于做某事”。例如：Theyarebusymakingpaperflowers他们忙着做纸花。Motherisalwaysbusydoingherhousework妈妈总是忙于做家务。2Inthefollowingspring，theseedsshouldbeknockedoutoftheseed-headsandsown到第二年春天把种子从谷穗里打出来，然后再播种。knockoutof是动词短语，“从中敲出”。例如：Thesuddenblowknockedtwoteethoutofhismouth这突然的一击把两颗牙齿从他的嘴里打出来了。ThediamondwasknockedoutoftheringwhenIdroppedit我的戒指掉下来时，钻石被敲出来了。knock构成的短语动词还有：knockat（敲），knockagainst（撞击），knockdown（撞倒），knockover（撞翻）等。Whoisknockingatonthedoor？谁在敲门？Thecarknockedthebikeover汽车把自行车撞倒了。,Thechildknockedhisheadagains