福建省晋江市首峰中学高中英语《Unit 2 Working the land》教案 新人教版必修4.doc

福建省莆田市第八中学高二英语必修四unit 2 working the land教案1. 教材分析本单元的中心话题是“农业”，学生通过讨论和阅读了解有关农业、农村和农作物种植的内容。让学生了解农业在整个人类生活中的重要性，了解农村生活，了解中国农民的生活现状，提高他们对农业的认识，并且帮助他们更深刻地理解农业科学家袁隆平的科学研究的价值。培养学生从小养成爱惜粮食，不铺张浪费的好习惯。 同时让学生了解organic farming 以及它对人们生活的重要性，进一步扩大学生的关于农业方面的词汇量，并通过写一则海报提高学生的写作水平。1 warming-up 通过提问有关农业、农村和农作物种植的内容，让学生谈谈自己对农村和农业劳动的认识或经验。教师可通过讨论让学生互相学习，相互交流经验以增加他们的农业知识。2 pre-reading 部分有两组问题。在第一组问题中，讨论大米在东亚和东南亚国家人民生活中的重要性；而第二组问题则提出世界部分地区所面临的饥饿问题。由此激发学生对世界的关注，培养学生的同情心。3 reading 部分介绍中国著名的农业科学家袁隆平的生平和他的杂交水稻。第一段描述了袁博士的外表他更象一个农民而不象一个科学家，农村就是他做科研的殿堂。他的科研成果就是超级杂交水稻。第二段描述他的家庭出身，学业，献身水稻科研的原因及所取得的成就。第三段告诉我们袁博士过着跟普通人一样的生活却干着伟大的事业。即使在功成名就之后，他也淡泊名利, 有着无私奉献的高尚精神。4 comprehending 部分设计了三个练习。第一个是判断练习，学生根据课文中理解和收集的信息做出判断，甚至通过讨论才能做出判断。第二个是词语理解题。第三个练习提出问题，要求学生在阅读课文后作出回答,以检验他们的理解力和训练他们的归纳总结能力。5 learning about language 部分学习本单元重点词汇和语法项目。词语学习部分采用给出词义而让学生从课文中找出与之匹配的词，然后用所找的词汇完成第二个练习中的短文，以及用课文中意义相近的词汇替换练习三句中划线部分。通过这三种练习帮助学生理解并能熟练应用课文中所学的词汇。语法部分通过从课文中找同义句引出动词的-ing 形式，教师此时可引导学生找出其他的句子，以启发学生理解-ing形式的句法功能。练习二通过模仿例句，用-ing形式做主语代替动词不定式改写句子。练习三要求学生连接短语造句，让学生学习-ing形式作宾语的用法，并列举后面接动词-ing形式作宾语的动词。练习四则训练学生v-ing形式在实际生活中的应用能力。练习五则设计了一个游戏以丰富学生的想象力。6 using language 部分综合训练学生的听说读写能力。第一部分读写结合，学生先阅读文章，文章写的是 organic farming or green food,读完后要求学生写一个摘要。在此教师要首先强调写摘要时学生一定要抓住文章的主题并且运用所学的重要词语。听力部分通过回答问题来提高学生的理解能力和理解的正确性。reading, speaking and writing 部分把读，说和写有机地结合在一起。假设你是一个“绿色食品” farmer，通过背景阅读，你要有充分的理由，利用所提供的句型，以对话的形式说服他人购买你的食品。最后为你的食品设计一个有说服力的广告。7 summing up部分要求学生归纳总结本单元内容、词汇和语法结构三个方面。8 learning tips 部分对如何提高表达能力提出建议。ii教学重点和难点1. 教学重点(1) 本单元的生词和短语；(2) 掌握v-ing用法2. 教学难点(1) 学会写海报；iii教学计划第一课时： warming up pre-reading, 第二课时： reading comprehending& language points第三课时： learning about language & grammar第四课时： using language reading ii第五课时： work bookiv教学步骤period 1warming up pre-reading, reading & comprehendingteachingprocedures:period 1teaching goals:1. to develop ss ability of using words and expressions.2. to develop ss ability of speaking.3. to enrich ss knowledge of farmingstep greeting and leading in1. what are the people doing?2.can you tell me something about rice?step warming up1.discussion: (group work)have you ever grown any plants? if so, what did you do to grow them? if not, what kind of plant would you like to grow? how will you grow it?step pre-reading 1. what are the serious problems the world faces today? environment population natural resources wars poverty hunger more than 800 million people go to bed hungry every day. - the world health 2. what can we do to solve world hunger? control the population open more areas for growing increase the output of crops stepiv pre-readingthe purpose of this step is to let students know the importance of rice. by answering the two questions, students can easily understand why we call dr yuan longping a pioneer for all people, and why he devotes all his life to the rice research.1.what do you think would happen if tomorrow there was suddenly no rice to eat?2. if you had the chance to do one thing to help end famine in the world, what would you do?period 2reading comprehending& language pointsteaching goals:1.helptocomprehendthetextandgraspthemainideaofthetext.2.grasptheusageofsomewordsandexpressions.3.howtohelpstudentsmakeuptheirmindstomakecontributionstomotherlandinthefuturelikedryuan.step1.lead-inandprediction1) askyourparentswhattheyateduringtheirchildhood(about30yearsago).(sweetpotato番薯；buckwheatn荞麦;corn；millet小米“粟”)2).comparedwithyourparentschildhood,whataboutyourchildhood?youhaveenoughfood,especiallyrice.doyouknowwhodidhisresearchandproducericeproduct?s:.yuan3) .lookatthepicture.whoishe?(afarmerpioneercalled“fatherofhybridrice”)canyoudescribethepicture?predicting:fromthetitle,whatdoyouthinkthetextisabout?andwhatwillthispassagemainlytellus?(nowletsreadandthencheck)step2 fast readingthe purpose of fast reading is to let students find some useful information, and get familiar with the text. so in this step, some questions are designed for students, so that they can easily find the answers and finish the reading task.1. what does dr yuan look like?2. whats his achievement?3. what do you think of him?step 3 careful reading and explanation1.give students 3 minutes to read and find the main idea of the text. while students are doing this, show the chart on the screen. after they have finished their task, ask them to look at the screen and fill in it.show the chart on the screen a pioneer for all people1. he wants everyone to call him a farmer.2. his biography.3. his personality.4. his dreams.five minutes later, teachers can ask some of them to fulfil the chart. they can use words, phrases, or sentences to do this. here is a sample for teacher to refer to.a pioneer for all people1. he wants everyone to call him a farmer.2. (1) a scientist works the land.(2) sunburnt face and arms, slim, strong body.(3) grow hybrid rice.(4) the first agricultural pioneer.2. his biography.(1) in 1931, born.(2) in 1953, graduated and devoted his life to finding ways to grow rice.(3) last year, twenty billion tons of rice was produced. now, dr yuan is circulating his knowledge.3. his personality.he is satisfied with his life. because he doesnt like money and fame.4. his dreams.(1) the first dream.(2) the second dream.step4learnlanguagepoints1)“for thats how he regards himself”.“how he regards himself”, means how he thinks of himself. it refers to a persons self-image .2) “has more, rather than fewer troubles.”?while “ has more, rather than fewer troubles” means that you expect fewer troubles but in face you get more than you thought you would.3) struggle v to make great effortse.g. they have struggled for years to free their country from the enemy.im struggling to finish the huge helping you gave me.4)sunburnt adj sun-tannede.g. his sunburnt skin looks healthy.5)super adj (infml) excellent; splendide.g. youll like her, shes super.you look super in your new clothes.it was super of you to help.6) expand v(cause sth to) become greater in size, number or importancee.g. metals expand when they are heated. why not try to expand your story into a novel?7)circulate v(cause sth to) pass from one person, place, etc to anothere.g. people who circulate false news are to be blamed. yet reports of this kind have been circulated by our newspapers. the news of the enemys defeat quickly circulated round the town.7) equip vsupply sb/sth (with what is needed, for a particular purpose)e.g. now all fishing boats are radio-equipped. they cant afford to equip their army properly. please equip yourself with sharp pencil and a rubber for the exam.9)export vsend(goods) to another country for salee.g. india exports tea and cotton to many different countries. this company has a large home market but doesnt export.10) ridof make sb/sth free from(sb/sth unpleasant)e.g. we all wish that we would rid the world of famine.the farmer recently tried to rid the house of rats.11) lead a life, live a lifee.g. now we are leading a happy life.in the old days farmers led a terrible life in the country.12) be satisfied with, be content withe.g. the young lady isnt satisfied with the peaceful life.are you satisfied with his answers?13) would rather, prefer toe.g. id rather walk than take a bus.id rather you knew that now, than afterwards.step5summaryandhomeworktodaywetalkedaboutagriculture.andwealsoreadaboutdryuanlongping.wehaveknownmuchaboutthegreatscientist.nowpleaselookatthepoemonthescreen:finishtheexercisesinlearningaboutlanguage.exercise1,2and3areaboutusefulwordsandexpressions.finishthem.afteryoureadtheachievementsthatdryuanhasmade,areyouinspired?whathaveyoulearntfromdryuan?whatdoyouthinkyouwilldoinfuture?writeashortpassageabout100words.period 3 learning about language & grammarteaching goals:1.enablestudentstomastertheusageofthewordsandexpressions2.theusageoftheimportantwordsandthe-ingformusedassubject andobject.step1greetingandrevisionstep2wordstudycompletethesentenceswiththewordsfromtheboxinproperforms.somewordsmaynotbeused：sunburnt,strain,output,export,ridof,wouldrather,increase,satisfied,super,leadalife,thanksto,struggle1.withthedevelopmentofscienceandtechnologychinais_manykindsofelectricproductstodevelopingcountries.2.yaomingplaysbasketballinnbaandheisa_basketballstar.3._badweather,ourfootballmatchhastobeputoff.4.nowtheoldcouple_simplebuthappy_inthecountryside.5.judgingfromhis_faceandarms,heworksintheopenair.6.imverytired.i_haveagoodsleepthangotothecinema.7.the_ofcornthisyearisdoublethatoflastyear.8.we_wheattorussiaandimportsilkfromjapan.9.thebasketballleague_byaddingfournewterns.10.thepeople_togetoutoftheburningbuildingstep3grammartherearetwotasksinthisstep.oneistodosomeexplanationsaboutthestructuretheotheristodosomeexercisesinthediscoveringusefulstructuresinpage12.task1a. thefollowingsentencesarefromthetext.therearesomeusefulstructuresinthem.letstudentstranslatethemandpayattentiontotheseboldfacewords.translatethemandpayattentiontotheseboldfacewords.1,hecareslittleaboutspendingthemoneyonhimselforleadingacomfortablelife.p.102.healsodoesntcareaboutbeingfamous.p.103.hisotherhobbiesincludeplayingmah-jong,swimmingandreading.p.104.wishingforthings,however,costsnoting.p.10b.completethesentenceswiththegivenwordsinproperforms.1.fancymary_(do)athinglikethat!2._(take)physicalexerciseeverydayisprofitabletoourhealth.3.thatisamatterofimportance,itwants_(handle)carefully.4.hernot_(comeback)madeusdisappointed.5.imustapologizefor_(notlet)youknowaheadoftime.6.mrbrownregretted_(beat)hisson.task2a.dosomeexercises:pleasedoex2onpage12.youareaskedtorewritethefollowingsentencesusingthe-ingformasthesubject.asksomestudentstodothemonebyone.b.doexercise3.thistimejointhetwohalvestosentences.c.finishex.4inpage13.usethefollowingphraseswiththeingformtodescribeapersonyouadmire.teachercangivestudentsfourminutestowriteashortpassagebythemselvesandthenaskoneortwostudentstogivetheiranswers.step4usingstructuresa.finishex.1onp.50.checktheiranswerswiththewholeclass.b.exercise.nowworkinpairsorgroupstofinishthistask.step5homeworkfinishallexercisesonpage49.peroid 4using language reading iiteaching goals :enable ss to master the main idea of the text and know the ways of organizing articles.help students learn how to enlarge the words and know the ways of the same topicstep 1 greeting step 2 lead in group work discussion :ask your parents whether they buy vegetables from local farmers or supermarkets?why? the answers may be quite different. one thing they will find is that now people need various kinds of food every day. another thing is that they choose green food. its natural that ss found that nowadays people pay much attention to green food.they prefer healthy fruit and vegetables.so its important to develop organic farming. and its very necessary for us to learn todays passage: organic farm.step 3 reading there are three tasks in this. teachers can ask students to read the articles one paragraph by one paragraph. ask them some questions about the passages. there are three paragraphs in the article. in each passage, there is one or two questions. when students finish these questions, they will find that the structure of the text has turned up. task 1 : read and then answer the questions about the text. show q on the screen:1.what is the organic farming?2.what is the advantage of using natural fertilizer?3.what is the disadvantage of using chemical fertilizers?4.whats the main idea of paragraph3?5.why do farmers grow their crops in such ways?read the text one paragraph by one paragraph and answer the questions.task 2: structure of the text look at the screen. this is the structure of the text. read it and retell the text accordingthis is the structure of the text. read it and text according to it. organic farming i. crops growing with natural fertilizers ii. farmers prefer natural waste from animals natural fertilizer chemical fertilizer1 makericher and more fertile 1.leavingis not good for the soil and2 reduce and help strong 2 grow year after year and healthy 3. kill both .bacterial and pests3 the fertilizers keep from chemicals iii . farmers change crops every two or three years to make sure what is left give students some time to retell the text by themselves if time permits.teacher can ask some of them to read out his or her passage.task 3: exercises on page 14listening and discuss the advantages of organic farming.what are the advantages of organic farming? find the information in the passage.advantages of organic farmingreasons1. farmers use natural waste from animals.2. the soil is not exhausted.3. they use the soil to best advantage.1. this makes the soil richer in minerals and so more fertile.2. peas and soybeans renew the minerals in the soil becomes rich and healthy.3. they plant crops that need surface soil and next crops that grow at a deeper level. so the wind and water does not carry away the soil. all the richness of the soil is used.for exercise 3, here is a simple:organic farming means crops growing with natural fertilizers instead of chemical ones. yhe natural fertilizer which is natural waste from animals does good to soil. it makes the soil richer in minerals while chemical fertilizers damage the soil, leaving chemicals fertilizers in the ground for a long time and killing both helpful and harmful bacteria and pests. organic farmers keep the soil rich and healthy by changing plants every two or three years, planting different crops in different layers and planting grass between crops to prevent wind or water from carrying away the soil.step 4 learn the language points show the following sentences on the screen:1. reduce v. make sth smaller in size, number, degree, price, etce.g. this company tries to increase profits by reducing costs.2. we have reduced expenses this year.3. supply v. give sb sth that is needed or usefule.g. he kept me well supplied with cups of coffee while i wrote the report.the shop was unable to supply what she wanted.in britain milk is supplied to each house in bottles.4. whatever pron. any or every(thing)e.g. we will be grateful for whatever amount you cab afford.whatever i have is yours.5.refer to v. mention or speak of sb. / sth.e.g. when i said some people are stupid, i wasnt referring to you.dont refer to this mater again.6. year after yeare.g. the villagers plant trees on the hill year after yearstep 5 discussion group work:divide the class into groups of four，and each of them has to do one of the following discussion.show students the questions: 1.what is the advantage of using natural fertilizer?2.what is the disadvantage of using chemical fertilizers?3. talk about the agriculture programmes in your hometown.then give the students enough time to share their findings with other groups.at last, it is a good idea to ask the students to speak out what they find to the class. and the teacher gives some evaluation. period 5 workbook teacher goals 1. target language i would rather . i dont .because . id prefer .because . its a great pity that .should i/ we .? its better to . this is good value because . if i have a choice id choose .because . what is the advantage of .? you need to . 2.how to write an attractive poster. step i lead-in there are three main tasks in these period. 1.deal with the reading. speaking and writing on page 15.2.do speaking and writing task on page 53.3. finish talking on page 48 step reading 1.this is the first step of reading, speaking and writing. in the three steps, teacher should remind students the following: for reading, they should get the key words of the passage, in order to get a good understanding and make a good base for the writing; for speaking, they should attend to what they will do. be careful not be off the point; for writing ,the most important thing is to practise writing using phrases, instead of the whole sentences. give students a minute to read it and then show a chart on the screen to let them make sure the important points of this passage. advantage: healthy and safefree of chemical fertilizersgrown away from industrial areasaway from dirty water suppliesdisadvantage:people dont know about the food and how good it ismore expensive than other food which is not so safe step speaking three minutes later, teacher can collect students ideas. there are two kinds o