[workingtheland教案设计课件]Workingtheland教案

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period3　extensivereading
thegeneralideaofthisperiod
thisperiodisaboutthereadingofthepassages:organicfarming.itcanhelpthestudentslearnsomethingmoreaboutthemodernagriculture.
teachingimportantpoints
helpthestudentstounderstandthepassagesandrealizetheimportanceoforganicfarming.
teachingdifficulties
howtoimprovethestudents’readingability.
howtohelpthestudentsu nderstandtheadvantagesoforganicfarming.
teachingmethods
asking-and-answeringactivitytocheckthestudents’understandingofthetext;individual,pairorgroupworktofinis heachtask.
teachingaids
ataperecorder
amulti-mediacomputerandablackboard
threedimensionalteachingaims
knowledgeandskills
trainthestudents’readingability.
learnsomeusefulwordsanddrill.
enablethestudentstoknowthedifferencesbetweenorganicfarmingandchemicalfarming.
processandstrategies
pairworktotalkabouttheadvantagesoforganicfarming.
individualworktofinisheachtask.
feelingsandvalue
throughthereadingofthispassagethestudentsmayhaveabetterunderstandingoftheadvantagesoforganicfarming.itisimportantaspeoplearemoreandmoreconcernedaboutthequalityofthefoodweeat.
teachingprocedures
step1warmingup
1.greetings
2.checktheanswersoftheexercisesaboutthe-ingformasthesubjectandobject.
step2readingforstructure
t:inthereadingpartwel earntsomethingaboutplantingrice,butdoyouknowwhatisthebestwaytoplantrice?
ss:...
t:todaywe’lllearnapassageaboutorganicfarming.nowpleasereadthetextandtrytofindoutthemainideaofeachparagraph.i’llgiveyoufiveminutes.
(fiveminuteslater)
t:whowouldliketotellmethemainideaofparagraphone?
s:it’s“whatis‘organicfarming’?”
t:that’sright.howaboutparagraphtwo?
s:themainideais“thefertilizerthatorganicfarmerspreferisnaturalwastefromanimals”.
t:thankyouforyourgoodanswers.let’scometothenextparagraph.
s:themainideaforthelastparagraphis“organicfarmerschangecropseverytwoorthreeyears”.
t:everyonehasdoneagoodjob,ihopeeveryonegotalltheanswersbyyourself.
step3readingfordetails
t:nowpleasereadthepassageagain,andtrytofindalltheanswersforthefollowingquestions:
1.whatisorganicfarming?
2.whatproblemsarecausedbyusingchemicalfertilizers?
3.whydoorganicfarmersgrowpeasorsoybeansaftercornorwheat?
t:finish?anyonegetstheanswerforthequestions?
suggestedanswers:
1.organicfarmingmeansgrowingcropswithoutchemicalfertilizers.
2.therearethreeproblems.first,chemicalfertilizersaffectthesoilandthewatersupplybadly.second,theyallowfarmerstogrowthesamecropyearafteryearandexhaustthesoil.third,theykillbothhelpfulandharmfulpests.
3.farmersgrowpeasorsoybeansaftercornorwheatsothatpeasandbeanscanputmineralsbackintothesoil,makingitrichandhealthyandreadytogrowmorewheatorcorn.123
step4extensivereading
t:pleasereadthetextforthethirdtime,thenfillinthefollowingtable.
(fiveminutesl atertheteacherchecktheanswersonebyone.)
advantagesoforganicfarming reason
1.farmersuse naturalwastefromanimals. 1.thismakesthesoilricherinmineralsandsomorefertile.
2.thesoilisnotexhausted. 2.peasandsoybeansrenewthemineralsinthesoilanditbecomesrichandhealthy.
3.theyusethesoiltobestadvantage. 3.theyplantcropsthatneedsurfacesoilandnextcropsthatgrowatadeeperlevel .sothewindandwaterdoesn’tcarryawaythesoil.alltherichnessofthesoilisused.
step5retelling
t:nowpleaseretellthetextaccordingtothefollowingchart,youcandiscussingroups.organicfarming
1.cropsgrowingwithnaturalfertilizers.
2.farmersprefernaturalwastefromanimals.
①make...richerandmorefertile　　①leaving...isnotgood
②reduce...andhelp...strong　　　②grow...yearafteryear
③thefertilizerskill...andhealthy
④keepfree...fromchemicals
(threeminuteslater,theteacherasksomestudentstohaveatry)
step6languagepoints
teacherexplainstheimportantwordsandexpressionsfromthereading.trytouseasmanyexamplesaspossibletoillustratethepoint.afterillustration,teachercangivestudentssomeexercisetoconsolidatetheirunderstanding.
step7summaryandhomew ork
t:todaywelearnedapassageaboutorganicfarming.ifyouareinterestedinit,youmayfindmoreinformationaboutitontheinternetafte rclass.what’smore,youshouldfinishyourworkbookexercises.somuchfortoday!
thedesignofthewritingontheblackboard
unit3workingtheland
period3　extensivereading
1.reduce　v.makesth.smallerinsize,number,degree,price,etc.
e.g.thecompanytriestoincreaseprofitsbyreducingcosts.
wehavereducedexpensesthisyear.
2.supply　v.givesb.sth.thatisneededoruseful
e.g.hekeptmewellsuppliedwithcupsofcoffeewhileiwrotethereport.
theshopwasunabl etosupplywhatshewanted.
3.referto　v.mentionorspeakofsb./sth.
e.g.whenisaidsomepeoplewereverystupid,iwasn’treferringtoyou.
don’trefertothismatteragain.
recordafterteaching
activitiesandresearch
theteachermayencouragethestudentswhoareinterestedinorganicfarmingtofindmoreinformationaboutitandshareitwithotherstudentsinclass.
referenceforteaching
languagepoints
1.reducev.makesth.smallerinsize,number,degree,price,etc.
e.g.thecompanytriestoincreaseprofi tsbyreducingcosts
公司尽力通过减少花销来提高利润。
we havereducedexpensesthisyear.
今年我们已经减少了业务开支。　　
2.supplyv.givesb.sth.thatisneededoruseful
e.g.hekeptmewellsuppliedwithcupsofcoffeewhileiwrotethereport.
当我写报告时,他不断地给我提供咖啡。
theshopwasunabletosupplywhatshewanted.123
在这家商店她买不到她所想买的东西。
3.refertov.mentionorspeakofsb./sth.
e.g.whenisaidsomepeoplewereverystupid,iwasn’treferringtoyou.
当我说有些人是很愚蠢的时候,我不是说你。
don’trefertothismatteragain.
别再提这件事了。
sentencesandstructures
findoutallthesentenceswith“v.+ing”forms,andtrytorememberthem.
translatethefollowingsentences,andtellwhatpartofspeechesthered partsareusedas.
1.它也指用自然肥料而不是化肥种植的庄稼。
italsoreferstocropsgrowingwithnaturalratherthanchemicalfertilizers.
注:growing...在句中充当定语。修饰crops。
2.他们说,把这种肥料施在农田里会使土壤含有更丰富的矿物质,而（土壤）也会更加肥沃。
puttingthisintheirfields,theyargue,makesthesoilricherinmineralsandsomorefertile.
注:putting...在句中充当状语。
3.这一点很重要,因为土壤改良了,农作物的病虫害就减少了,因而有 助于农作物的茁壮成长。
thisisimportantbecausedevelopingahealthysoilreducesdiseasesincropsandhelpsthemgrowstrongandhealthy.
注:developing...在句中充当主语。
4.然而使用化肥会带来很大的问题。
however,usingchemicalfertilizersisabigproblem.
5.第一,在田地里长期遗留化学物质对土壤和水源不利。 
firstly,leavingchemicalsinthegroundforalongtimeisnotgoodforthesoilorthewatersupply.
注:leaving...在句中充当主语。
6.不同的是,有机耕作的农民们坚持每隔两三年换种农作物。
instead,organicfarminginsistonchangingcropseverytwoorthreeyear.
注:changing...在句中充当宾语。
7.这些农作物将矿物质带回土壤,使之肥沃强效,适宜于种植要求土壤肥沃的农作物,例如玉米和小麦。
theseputthemineralsbackintothesoil,makingitrichandhealthyandreadytogrowcropsthatneedrichandfertilesoillikecornorwheat.
注:making...在句中充当状语。[来源:学。科。网z。x。x。k]
8.但无论他们种什么,他们确保在收割后留在地里的 东西成为来年农作物的天然肥料。
butwhatevertheygrowtheymakesurethatwhatisleftinthegroundafterharvestingbecomesanaturalfertilizerforthenextyear’scrops.
注:harvesting...在句中跟after一起充当时间状语。123

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