搜索
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）Thesoilshouldalsobeturnedoverwithaforksothattheweedswouldbedestroyed．2）Thebook，whichhas110000characters，isaboutbothfarmingandgardening．3．语法间接引语：1）Hesaidthatthebestseed-headsshouldbehunguptodry．2）Theyaskedhimifitwasagoodideatosowwheatclosetogether．3）Theyaskedhimwhenheharvestedthewheat．4）Headvised/toldfarmerstodothingsattherighttimeofyear．4．日常交际用语谈论天气（Talkingabouttheweather）：1）It’sabeautifuldaytoday．2）It’sgoingtobedryandsunnyforthenexttwodays．3）What’stheweathergoingtobelikeattheweekend？4）Theysayit’sgoingtobewetandwindy．三、课型（一）对话课Ⅰ．教具录音机，投影仪。Ⅱ．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！You’vegivenmealotofwordsthathavesomethingtodowithfarming．Whatabouttheweather？Doyouthinkthatweatherisimportantinfarming？Why？2．准备放对话录音。借助投影片打出以下听前提问：1）What’stheweatherlikeforthenexttwodays？2）What’stheweathergoingtobelikeattheweekend？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）It’sgoingtobedryandsunnyforthenexttwodays．2）It’sgoingtobewetandwindy．3．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：Youaresupposedtoplanttreeswithyourclassmatestomorrow．Nowyouaretalkingabouttheweatherreportswithyourclassmatesanddiscusswhattodoifitrainsto-morrow．情景2：YouandyourfriendsareplanningatriptothecountrybybikethiscomingSun-day．Fromtheweatherreportsyoualreadyknowthatitisgoingtobefineinthemorningandtherewillbeastrongwindintheafternoon．Talkwithyourfriendsandmakeacarefulplanaboutyourtrip．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，livinginthewestofEngland．Iamalwaysbusywithmyfarmwork．It’sabeautifuldaytodayandI’mnowworkinginthefieldswithTim．Timishelpingmeatthemoment．We’retalkingabouttheweatherforthenexttwodaysandalsoforthecomingweekend．Andwe’vedecidedtosowcarrotseedtomorrowandpicktherestofthecabbagesbeforetheweatherchanges．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（Ⅰ）Ⅰ．教具录音机，投影仪。Ⅱ．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：Everydaypeopleneedalotoffood．Andthefoodmainlycomesfromthecorn，thewheat，thericeandsoon．Farmersgrowthemyearafteryearandprovideuswithenoughfood．Inourcountrywestillhavealotofpeoplewhoarefarmers．Andmanyfarmersstillworkwiththeirhandsthoughlotsofmachinesareusedevery-where．IfIaskyouwhatyouhavealreadyknownaboutfarming，maybefewofyoucananswerthisquestionwell．Nowwe’lllearnsomethingaboutfarminginoldChina，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）PeopleinothercountriesweretryingtocatchwildanimalsandbirdsandwerestillcollectingseedsandnutswhilefarmersinChinaweredevelopingthescienceofagriculture．2）HewroteabookcalledQiMinYaoShuandthebookisaboutbothfarmingandgardening．4．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）Chinawasthefirstcountryintheworldtostudythescienceoffarming．2）Thetextdoesnottelluswheretheearliestresearchcentreforagriculturewas．3）BothYiduandGaoyangwhereJiaSixieoncelivedandworkedareinShandongProvince．4）Hedidn’twanttoworkinthegovernment．Sohereturnedhomeandspenthistimeonagriculture．5）Headvisedthefarmerstochoosethebestseed-heads，whichweremuchbiggerthanothers．6）Aftertheseedsweresown，theyshouldbeknockedoutoftheseed-heads．7）HepointedoutIwasimportantthatwheatshouldbeplantedwithspacebetweentheplants．8）Hedidexperimentstoshowhiswaywasbetter．9）ThebookcalledQiMinYaoShuwaswrittenoveryearsago．Key：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（Thebookwaswrittenduringtheyears533～544，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（Ⅱ）Ⅰ．教具录音机，投影仪。Ⅱ．课堂教学设计1．通过提问温习第一部分课文内容：1）Whichcountrywastheearliestresearchcentreforagriculture？2）FarmersinChinaweredevelopingthescienceofagriculturewhilepeopleinothercountrieswerestilltryingtocatchwildanimalsandbir