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浙江省衢州市仲尼中学高一英语精品教案unit2working the land6新人教版必修4教材分析this passageis aabout organic farming.nowadays,the chemicalanalysisof teachingmaterial:fertilizers are popular among farming.it damagesthe land,is badfor environmentand people s health.some farmersand customersprefer the organic farming.students canlearn somethingabout itfrom thispassage.学情分析this passageis littledifficult forour students.there are some difficultanalysisof thestudentssentences forthem.teachers can help studentsto readthem andtry totranslate them.meanwhile,ourstudents canlearn somethingnew aboutfarming.chemical fertilizerscause manyproblems,so organicfarmingarepopularamongfarming.教学目标teaching aims知识目标knowledge aimswords:mineral;reduce;organic;level;whatever;bacteria;refer to;year afteryear***sentences1many farmerswelcomed themas agreat way to stop crop disease and increaseproduction.2first,they damagethelandby killing the helpful bacteria and pests aswell asthe harmfulones.3these manydifferent organicfarming methodshave thesame goal:to grow good food and avoid damagingthe environmentor people,s health.能力目标ability/enable studentsto masterthe main idea of the textand knowthe waysoforganizing articles.情感目标emotionalaims:help studentslearn how to enlargethe words and knowthe waysof thesametopic.教学重点和难点teaching importantpoints anddifficult points#teaching importantpoints:words andexpressions,main ideaand somedifficult sentencesftteachingdifficult points:how tograsp the mainidea of the passage;how tograsp thewordsandphrases andbeable touse themof thesame topic.教学过程teaching proceduresstep1pre-readingq:1how do you knowabout the organicfarmingcan yousay somethingabout it2as known to all,chemical fertilizers canhelpthe cropsgrow strongand big,doyouthink itis goodforour healthand whystep2readingtask1questions aboutthepassage.1what stheorganicfarming2what is the advantageof using natural fertilizers3what isthe disadvantageof usingchemical fertilizers4what sthe mainidea ofparagraph35why dofarmers growtheir crops in suchwaystask2structure ofthe textthisisthestructure ofthe text,read itand retellthe textaccording toit.organic farmingicrops growing with natural fertilizersnatural fertilizerchemical fertilizeriifarmers prefernatural waste from animals1make...richer and1leaving...is notgood morefertili2reduce...and help...strong2grow...year afteryear3the fertilizerskill...from chemicalsiiifarmers change crops every twe or three years.ta代......to makesure whatis iel,teachers canleave thispart tobecciucsttttt^~~c7t cttcl八~~11civcc7cct1±11vjxvcuin jlepistudents.for exercise3,here isa simple:organic farmingmeans cropsgrowingwith natural fertilizers instead ofchemical ones.yhe naturalfertilizerwhich isnatural wastefrom animalsdoes goodto soil.it makesthe soil richer inmineralswhile chemical fertilizers damagethe soil,leaving chemicalsfertilizersin the groundfor a long timeandkilling bothhelpful andharmful bacteriaand pests.organic farmerskeepthe soilrich andhealthy bychanging plantsevery twoor threeyears,planting differentcropsindifferentlayers andplanting grass between crops to prevent wind or water fromcarrying awaythe soil.板书设计organic farmingicrops growingwith naturalfertilizersnatural fertilizerchemical fertilizeriifarmers prefernatural wastefrom animals1make...richer and1leaving...is notgood morefertili2reduce...and help...strong2grow...year afteryear3the fertilizerskill...from chemicals2rethi farmerschangecropseverytweorthreeyears....to makesure whatis left...using chemicalfertilizers ispopular becauseit canstop cropdisease andincrease1,butlong-term useof thesefertilizers cancause damageto theland andeven topeoples health.organicfarming is to grow crops withnatural but not2fertilizers.organic farmers3keeping theirsoil richand___4disease.they preferusingnatural wastefrom animals as fertilizers.they thinkthis makesthesoil in their fields5-minerals andso more
6.organic farmersalso usemany othermethods tokeep the soil fertile.they oftenchange the kind ofcrop in each field7,or plant cropstouse different8of soil,or plantgrass betweencops toprevent windor waterfrom9___________the soil.however,these methodshave thesame goal:to growgood foodand avoiddamaging the10or people,shealth.问题研讨problem study:课堂提问:1what stheorganicfarming2what isthe advantageof usingnaturalfertilizers3what isthe disadvantageof usingchemicalfertilizers4what sthemainideaofparagraph35why dofarmers growtheir cropsin suchways练习exercises onpage35oftheexercise book:chemical advantagesstopping cropdisease andincrease productionfarmingdisadvantagesdamaging theland:killingthehelpfulbacteriaandpestsdamagingpeople s health:many chemicalinthefood supply-can leadtocancer orother illnessesfoodgrows toofast tobe fullof muchnutritionorganic goaltogrowgood foodand avoiddamagingthe environmentor people,farmings healthusingnaturalwastefrom animalsasfertilizer.methodschanging thekind of cropin eachfieldevery fewyears.using differentlevels of soil toplantcrops.planting grassbetween crops作业part1a level单词拼写
1.after along s_______,he gainedcontrol ofthe business.
2.our foreigntrade hase greatlyin recentyears.
3.e yourchild withsome specialskills isnecessary.
4.the twinsaresoalike thati alwaysc themwith eachother.
5.he diedof hbecause hehad noteaten fordays.
6.as isknowntoall,coal andiron arew物.
7.if youkeep stayinginthesun foralongtime,you11get日两黑的.
8.every year,we will出口a lotof riceto othercountries.
9.in thepast three十年,great changeshave takenplace inour hometown.
10.it issuggested that the onlywaytodo thatis to减少expenses.keys:1struggle2expanded3equipping4confuse5hunger6minerals7sunburnt8export9decades10reducepart2b level选词填空rid***of;be satisfiedwith;focus on;thanks to;would rather;makecomments on;be richin
1.the doctor,s timelyhelp,the boywas saved.
2.the chairmantold usthatthemeeting wouldhowtodeal withthe pollutioncaused bythe factories.
3.you havegiven thecorrect answer.i it.
4.he readthe contentshimself andit intime.
5.last nightthey thedormitory mice,which mademuch noiseat night.
6.as weknow,vegetables vitamins.
7.i don,t hopeto leaveso soon;i stayhome aday ipnger.keys:1thanksto2focus on3am satisfiedwith4made commentson5rid of6are richin7would ratherpart3c level根据课文内容填空using chemicalfertilizers ispopular becauseit canstopcropdiseaseandincrease1,butlong-term useof thesefertilizerscancause damageto theland andeven topeopleshealth.organic farmingisto growcropswithnaturalbutnot2fertilizers.organic farmers_____3keeping theirsoilrichand4disease.they preferusingnatural wastefromanimalsas fertilizers.they thinkthis makesthe soilin theirfields5-minerals andso more
6.organic farmersalso usemany othermethods tokeep thesoil fertile.they oftenchangethekindofcropineachfield7,or plantcropsto usedifferent8ofsoil,or plantgrassbetweencops topreventwindorwaterfrom9thesoil.however,these methodshave thesame goal:togrowgoodfoodandavoiddamagingthe10or peopleshealth.keys:1production2chemical3focus on4free of/from5richer in6fertile7every fewyears8levels9carrying away10,environment。