高中英语unit 2 working the land period 5 speaking and writing 优秀教案（人教版必修4）

PERIOD5SPEAKINGANDWRITINGTHEGENERALIDEAOFTHISPERIODTHISPERIODAIMSATENCOURAGINGTHESTUDENTSTOLEARNHOWTODESCRIBETHEADVANTAGESOFTHEORGANICFOODANDTHEDISADVANTAGESOFTHEFOODWITHCHEMICALFERTILIZER,ANDHOWTOWRITEAPOSTERABOUTITTEACHINGIMPORTANTPOINTSGETTHESTUDENTSTOLEARNTOWRITEAPOSTERENABLETHESTUDENTSTOGRASPTHEUSAGEOFTHEWORDS,EXPRESSIONSANDTHEDRILLSTHEYLEARNTINTHISUNITTEACHINGDIFFICULTPOINTSHOWTOWRITEAPOSTERINACORRECTWAYTEACHINGMETHODSCREATESOMESITUATIONSFORTHESSTOTALKACTIVELYINPUBLICPRACTICETOIMPROVETHESTUDENTSWRITINGABILITYTEACHINGAIDSAMULTIMEDIACOMPUTERTHREEDIMENSIONALTEACHINGAIMSKNOWLEDGEANDSKILLSGETTHESTUDENTSTOLEARNHOWTOWRITEAPOSTERHELPTHESTUDENTSCONSOLIDATETHEWORDS,EXPRESSIONSANDDRILLSLEARNTINTHISUNITPROCESSANDSTRATEGIESENCOURAGETHESTUDENTSTODESCRIBETHEADVANTAGESANDDISADVANTAGESBYOFFERINGEXAMPLESFEELINGSANDVALUEASPEOPLEAREMOREANDMORECONCERNEDABOUTTHEQUALITYOFTHEFOODTHEYEAT,THISTOPICISMOREANDMOREMEANINGFULTHROUGHTHESTUDYOFTHISPARTNOTONLYWILLTHEYKNOWMOREABOUTTHEQUALITYOFFOOD,BUTALSOTHEYWILLLEARNABOUTHOWTOPERSUADEOTHERSTOBUYTHEFOODYOUHAVEPROPOSEDTEACHINGPROCEDURESSTEP1REVISION1GREETINGS2ASKTHESTUDENTSTOTELLTHEWORDS,EXPRESSIONSANDDRILLSTHATCANBEUSEDTODESCRIBEORGANICFARMINGSTEP2READINGTHISISTHEFIRSTSTEPOFREADING,SPEAKINGANDWRITINGINTHETHREESTEPS,THETEACHERSHOULDREMINDTHESTUDENTSTHATTHEYSHOULDGETTHEKEYWORDSOFTHEPASSAGEWHENTHEYDOSOMEREADING,INORDERTOGETAGOODUNDERSTANDINGANDMAKEAGOODBASEFORTHEWRITINGFORSPEAKING,THEYSHOULDATTENDTOWHATTHEYWILLDOBECAREFULNOTTOBEOFFTHEPOINTFORWRITING,THEMOSTIMPORTANTTHINGISTOPRACTISEWRITINGUSEFULWORDS,PHRASES,INSTEADOFTHEWHOLESENTENCESAFTERTHESTUDENTSGETKNOWNABOUTTHERULES,ASKTHEMTOREADTHESHORTPASSAGEINEX1PAGE15,ANDASKTHESTUDENTSTOFINDOUTTHEKEYPOINTSOFTHEPASSAGETHESUGGESTEDANSWERADVANTAGEDISADVANTAGE1HEALTHYANDSAFE1PEOPLEDONTKNOWABOUTTHEFOODANDHOWGOODITIS2FREEOFCHEMICALFERTILIZERS2MOREEXPENSIVETHANOTHERFOODWHICHISNOTSOSAFE3GROWNAWAYFROMINDUSTRIALAREAS4AWAYFROMDIRTYWATERSUPPLIESTNOWLETSLEARNHOWTOUSETHESEWORDSTOPERSUADEPEOPLETOBUYYOURFOODLETSCOMETONEXTPARTSTEP3SPEAKINGTASK1THESTUDENTSTRYTOFINDREASONSTOPERSUADEPEOPLETOBUYTHEIRFOODUSETHEABOVEWORDSABOUTTHECONTENTOFTHESHORTPASSAGEANDTHEFOLLOWINGEXPRESSIONSIWOULDRATHERIDONTLIKEBECAUSEIDPREFERBECAUSEITSAGREATPITYTHATSHOULDI/WEITSBETTERTOTHISISGOODVALUEBECAUSEIFIHAVEACHOICEIDCHOOSEBECAUSEWHATISTHEADVANTAGEOFYOUNEEDTOAFTERTHREEMINUTES,THETEACHERASKSSOMESTUDENTSTOACTOUTTHEIRDIALOGUEINPAIRS,ONEISTHEFARMER,THEOTHERONEISACUSTOMERSTEP4WRITINGPREWRITINGTHISEXERCISELETSSTUDENTSCOLLECTANDLISTINFORMATION,THENSELECTWHATTHEYTHINKISMOSTIMPORTANTANDORGANIZEITFORPRESENTATIONTASK1THESTUDENTSGATHERINFORMATIONTHATTHEYNEEDANDPLANWHATTHEYWANTTOWRITEWHILEWRITINGTASK2THESTUDENTSWRITEAPOSTERTOENCOURAGEMOREPEOPLETOBUYTHEIRGREENFOOD1THESTUDENTSSELECTANDORGANIZEWHATTHEYWANTTOWRITEANDWRITEAPOSTER2THESTUDENTSCHECKTHEIRMISTAKESINTHEIRPOSTER3THESTUDENTSREWRITETHEIRPOSTERANEXAMPLEOFHOWTOPRESENTAPOSTERBUYTHEBESTFRUITSHEREWEONLYSELLGREENFOODINTHISSHOPBESTCHOICEATBESTPRICESAFE,HEALTHY,CLEAN,FRESHFARAWAYFROMANYPOLLUTIONNOCHEMICALFERTILIZER,ALLORGANICFERTILIZERSCLEANAIR,CLEANWATERNOPOISON,NOPESTICIDESHOMEINHEAVENHEALTHYFOODMEANSHEALTHYLIFEFARAWAYFROMDISEASES,WITHOUTWORRIES,FULLOFHAPPINESSONEREASONAFTERWRITINGTHESTUDENTSSHOWTHEIRPOSTERINCLASSWRITINGTIPSINWRITINGAPOSTER,MAKESUREITHASANATTRACTIVETITLEEXPLAINTHEREASONSTHATYOUSELLGREENFOODEXPLAINWHYYOURGREENFOODISOFGOODVALUETRYTOWRITECORRECTANDCLEARSENTENCESSTEP4HOMEWORK1COMPARETHEPOSTERWITHTHESUGGESTEDANSWERS,ANDREMEMBERTHEUSEFULEXPRESSIONS2PREPAREFORTHENEXTCLASSTHEDESIGNOFTHEWRITINGONTHEBLACKBOARDUNIT2WORKINGTHELANDPERIOD5SPEAKINGANDWRITINGINWRITINGAPOSTER,MAKESUREITHASANATTRACTIVETITLEEXPLAINTHEREASONSTHATYOUSELLGREENFOODEXPLAINWHYYOURGREENFOODISOFGOODVALUETRYTOWRITECORRECTANDCLEARSENTENCESRECORDAFTERTEACHINGACTIVITIESANDRESEARCHTOMAKEPREPARATIONSFORTHISPERIOD,YOUMAYASKTHESTUDENTSTOFINDSOMERELATEDINFORMATIONONTHEINTERNETADISCUSSIONISSUGGESTEDTOGETENOUGHINFORMATIONTHEYNEEDREFERENCEFORTEACHINGLEARNINGTIPS写作中的常用句型以下是写作中使用率最高、覆盖面最广的基本句式,每组句式的功能相同或相似,考生可根据自己的情况选择其中的12个,作到能够熟练正确地仿写或套用。1表示原因1）THEREARETHREEREASONSFORTHIS2）THEREASONSFORTHISAREASFOLLOWS3）THEREASONFORTHISISOBVIOUS4）THEREASONFORTHISISNOTFARTOSEEK5）THEREASONFORTHISISTHAT6）WEHAVEGOODREASONTOBELIEVETHAT例如THEREARETHREEREASONSFORTHECHANGESTHATHAVETAKENPLACEINOURLIFEFIRSTLY,PEOPLESLIVINGSTANDARDHASBEENGREATLYIMPROVEDSECONDLY,MOSTPEOPLEAREWELLPAID,ANDTHEYCANAFFORDWHATTHEYNEEDORLIKELASTBUTNOTLEAST,MOREANDMOREPEOPLEPREFERTOENJOYMODERNLIFE注如考生写第一个句子没有把握,可将其改写成两个句子。例如GREATCHANGESHAVETAKENPLACEINOURLIFETHEREARETHREEREASONSFORTHIS这样写可以避免套用中的表达失误。2表示好处1）ITHASTHEFOLLOWINGADVANTAGES2）ITDOESUSALOTOFGOOD3）ITBENEFITSUSQUITEALOT4）ITISBENEFICIALTOUS5）ITISOFGREATBENEFITTOUS例如BOOKSARELIKEFRIENDSTHEYCANHELPUSKNOWTHEWORLDBETTER,ANDTHEYCANOPENOURMINDSANDWIDENOURHORIZONSTHEREFORE,READINGEXTENSIVELYISOFGREATBENEFITTOUS3表示坏处1）ITHASMOREDISADVANTAGESTHANADVANTAGES2）ITDOESUSMUCHHARM3）ITISHARMFULTOUS例如HOWEVER,EVERYTHINGDIVIDESINTOTWOTELEVISIONCANALSOBEHARMFULTOUSITCANDOHARMTOOURHEALTHANDMAKEUSLAZYIFWESPENDTOOMUCHTIMEWATCHINGTELEVISION4表示重要、必要、困难、方便、可能1）ITISIMPORTANT（NECESSARY,DIFFICULT,CONVENIENT,POSSIBLE）FORSBTODOSTH2）WETHINKITNECESSARYTODOSTH3）ITPLAYSANIMPORTANTROLEINOURLIFE例如COMPUTERSARENOWBEINGUSEDEVERYWHERE,WHETHERINTHEGOVERNMENT,INSCHOOLSORINBUSINESSSOON,COMPUTERSWILLBEFOUNDINEVERYHOME,TOOWEHAVEGOODREASONTOSAYTHATCOMPUTERSAREPLAYINGANINCREASINGLYIMPORTANTROLEINOURLIFEANDWEHAVESTEPPEDINTOTHECOMPUTERAGE5表示措施1）WESHOULDTAKESOMEEFFECTIVEMEASURES2）WESHOULDTRYOURBESTTOOVERCOME（CONQUER）THEDIFFICULTIES3）WESHOULDDOOURUTMOSTINDOINGSTH4）WESHOULDSOLVETHEPROBLEMSTHATWEARECONFRONTED（FACED）WITH例如THEHOUSINGPROBLEMTHATWEARECONFRONTEDWITHISBECOMINGMOREANDMORESERIOUSTHEREFORE,WEMUSTTAKESOMEEFFECTIVEMEASURESTOSOLVEIT6表示变化1）SOMECHANGESHAVETAKENPLACEINTHEPASTFIVEYEARS2）AGREATCHANGEWILLCERTAINLYBEPRODUCEDINTHEWORLDSCOMMUNICATIONS3）THECOMPUTERHASBROUGHTABOUTMANYCHANGESINEDUCATION例如SOMECHANGESHAVETAKENPLACEINPEOPLESDIETINTHEPASTFIVEYEARSTHEMAJORREASONSFORTHESECHANGESARENOTFARTOSEEKNOWADAYS,MOREANDMOREPEOPLEARESWITCHINGFROMGRAINTOMEATFORPROTEIN,ANDFROMFRUITANDVEGETABLETOMILKFORVITAMINS7表示事实、现状1）WECANNOTIGNORETHEFACTTHAT2）NOONECANDENYTHEFACTTHAT3）THEREISNODENYINGTHEFACTTHAT4）THISISAPHENOMENONTHATMANYPEOPLEAREINTERESTEDIN5）HOWEVER,THATSNOTTHECASE例如WECANNOTIGNORETHEFACTTHATINDUSTRIALIZATIONBRINGSWITHITTHEPROBLEMSOFPOLLUTIONTOSOLVETHESEPROBLEMS,WECANSTARTBYEDUCATINGTHEPUBLICABOUTTHEHAZARDSOFPOLLUTIONTHEGOVERNMENTONITSPARTSHOULDALSODESIGNSTRICTERLAWSTOPROMOTEACLEANERENVIRONMENT8表示比较1）COMPAREDWITHA,B2）IPREFERTOREADRATHERTHANWATCHTV3）THEREISASTRIKINGCONTRASTBETWEENTHEM例如COMPAREDWITHCARS,BICYCLESHAVESEVERALADVANTAGESBESIDESBEINGAFFORDABLEFIRSTLY,THEYDONOTCONSUMENATURALRESOURCESOFPETROLEUMSECONDLY,THEYDONOTCAUSETHEPOLLUTIONPROBLEMLASTBUTNOTLEAST,THEYCONTRIBUTETOPEOPLESHEALTHBYGIVINGTHEMDUEPHYSICALEXERCISE9表示数量1）ITHASINCREASED（DECREASED）FROMTO2）THEPOPULATIONINTHISCITYHASNOWINCREASED（DECREASED）TO8000003）THEOUTPUTOFJULYINTHISFACTORYINCREASEDBY15COMPAREDWITHTHATOFJANUARY例如WITHTHEIMPROVEMENTOFTHELIVINGSTANDARD,THEPROPORTIONOFPEOPLESINCOMESPENTONFOODHASDECREASEDWHILETHATSPENTONEDUCATIONHASINCREASED再如FROMTHEGRAPHLISTEDABOVE,ITCANBESEENTHATSTUDENTUSEOFCOMPUTERSHASINCREASEDFROMANAVERAGEOFLESSTHANTWOHOURSPERWEEKIN1990TO20HOURSIN200010表示看法1）PEOPLEHAVE（TAKE,ADOPT,ASSUME）DIFFERENTATTITUDESTOWARDSSTH2）PEOPLEHAVEDIFFERENTOPINIONSONTHISPROBLEM3）PEOPLETAKEDIFFERENTVIEWSOF（ON）THEQUESTION4）SOMEPEOPLEBELIEVETHATOTHERSARGUETHAT例如PEOPLEHAVEDIFFERENTATTITUDESTOWARDSFAILURESOMEBELIEVETHATFAILURELEADSTOSUCCESSEVERYFAILURETHEYEXPERIENCETRANSLATESINTOAGREATERCHANCEOFSUCCESSATTHEIRRENEWEDENDEAVORHOWEVER,OTHERSAREEASILYDISCOURAGEDBYFAILURESANDPUTTHEMSELVESINTOTHECATEGORYOFLOSERS再如DO“LUCKYNUMBERSREALLYBRINGGOODLUCKDIFFERENTPEOPLEHAVEDIFFERENTVIEWSONIT注一个段落有时很适宜以问句开始,考生应掌握这一写作方法。11表示结论1）INSHORT,ITCANBESAIDTHAT2）ITMAYBEBRIEFLYSUMMEDUPASFOLLOWS3）FROMWHATHASBEENMENTIONEDABOVE,WECANCOMETOTHECONCLUSIONTHAT例如FROMWHATHASBEENMENTIONEDABOVE,WECANCOMETOTHECONCLUSIONTHATEXAMINATIONISNECESSARY,HOWEVER,ITSMETHODSHOULDBEIMPROVED注例句1可用于任何一个段落的结论句例句3则多用文章结论段的第一句。12套语1）ITSWELLKNOWNTOUSTHAT2）ASISKNOWNTOUS,3）THISISATOPICTHATISBEINGWIDELYTALKEDABOUT4）FROMTHEGRAPH（TABLE,CHART）LISTEDABOVE,ITCANBESEENTHAT5）ASAPROVERBSAYS,“WHERETHEREISAWILL,THEREISAWAY”例如ASISWELLKNOWNTOUS,ITISIMPORTANTFORTHESTUDENTSTOKNOWTHEWORLDOUTSIDECAMPUSTHEREASONFORTHISISOBVIOUSNOWADAYS,THESOCIETYISCHANGINGANDDEVELOPINGRAPIDLY,ANDTHECAMPUSISNOLONGERAN“IVORYTOWER”ASCOLLEGESTUDENTS,WEMUSTGETINTOUCHWITHTHEWO