Unit19ModernAgriculture教案.docx
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Unit19ModernAgriculture教案
Unit19ModernAgriculture教案
Unit19odernAgriculture教案
课时安排
Period1aringup&listening
Period2reading
Period3speaing
Period4graar&integratingsills2
Period5integratingsills1&riting
Period1aringup&listening
Tas:
Thestudentsaretoreadthestatisticgraph&discussthechangesthatthegraphshos.
Goals:
）Tocultivatethestudents’abilitytoread&analyzethegraph.
）Tocultivatethestudents’abilityoflisteningforinforation.
Teachingprocedure
Tas1Brainstoring
hatillyouthinofhenyouseetheord“agriculture”?
AstheSstogiveasanyordsaboutagricultureaspossible.
Tas2:
Discussion
AstheSs:
“Hoanyealsdoyouhaveeveryday?
hichealdoyouthinistheostiportant?
hy?
”
Nolet’shaveadiscussion.
Group1&2:
hatindoffooddideeatatbreafast,lunch&supperinthepast?
Group3&4:
hatindoffooddoeeatatbreafast,lunch&supperatpresenttie?
breafastlunchsupper
InthepastPorridge&salted
vegetablesNoodlesRice&deliciousdishes
Atpresentil,bread,fried
bread,etc.FastfoodFastfood
hydoyouthinpeoplealayspreferfastfood?
hatcanelearnfrothedifferencesbeteenthefoodinthepast&atpresenttie?
Tas3:
Noopenyourboos.Looatthegraphonpage43&anserthefolloingquestions.
parediththefarproductsfro1986-1990,eproducedoregrains,cottons…thanbefore.
hydoeproduceorefarproductsthanbefore?
Hoarepeople’seatinghabitschangingovertheyears?
hydoyouthinthishappens?
Hohasagriculturalproductchangedduringtheseyears?
hatdoyouthincausedthesechanges?
hateffectsdoyouthinthechangesineatinghabitsillhaveonagricultureornature?
Tas4:
Listening
Prelistening
AstheSs:
“hatdoesagriculturedependon?
”TheSsillgiveanydifferentansers.Afterthat,shotheanser&thepicturesonthescreen.
Question:
Ifechangedthestructureofagriculture,hatdoyouthinillhappentothenature?
）hilelistening
Listentothetape.Thepassageyouheartalsabout
historyoffaringfarersinAericafishing
protectionofnaturefarersinchinapigs
environentalproblestreesdies
hichofthefolloingsentencesaretrue&hicharefalse?
）Inearlytiesfarersinchinaovedaround&burntforests.
）AllfarersinSouthAericaburnforeststocreatefarland.
）Flood&droughtsaredisastersthatfarerscannotstop.
）Soeofthelandinchinaistooettogrocrops.
）Fishfarersdaagenature.
Listentothetape&pletethesentencesbyusingyouronords.
henfaringgoesagainstnature,allindsofenvironentalproblesaretheresult.Theearliestfarersdestroyednature.Theirayofagricultureledtofloods&droughts.Itisanoldtruththatfaringshouldnotgoagainstnature.ThelandthatTan&XiaoZaoboughtastooet&couldnotbeusedforfaring.Insteadtheychangedthefieldsintofishponds.ontheirfartheyeptfish/ducs/chicens&grefruittrees.
）Postlistening
SupposeyouareTan&XiaoZao.Becauseofyoursuccessfulfaringonthefield,youareinvitedtoabigeetingthatanylocalfarersillattend.youareasedtogivealectureaboutyourexperiencetellinghoyouhaveoredonthenearlydesertedfield&beeasuccessfulfarer.
Hoeor:
Listentothetape,finishthelisteningpartonB.
previethereadingpassage.
Period2Reading
Tas:
TheSsaretoreadapassagetolearnthedevelopentofodernagriculture.
Goals:
）Tocultivatethestudents’abilitytoscan&sithepassages.
）Tocultivatethestudents’abilityoffurtherunderstandingaboutthetext.
Teachingprocedure
Prereading
classifythepicturesinthefolloingay:
Traditionalfaring
Agricultureodernfaring
Hi-techfaring
Prereading
paretraditional&odernfaring,focusingontheadvantage&disadvantageofodernfaring.Thenfillthefor.
AgricultureAdvantagesDisadvantages
Traditionalfaring
odernfaring
Hi-techfaring
hilereading
）Scanning:
Q1:
hat’sthebiggestprobletochinesefarers?
Theshortageofarableland.
Q2:
hatdoesGean?
“G”standsfor“genetically”
“”standsfor“odified”
）Siing:
A.Readtheholetext&findoutthetopicsentenceineachparagraph.
B.Anserthefolloingquestions:
Houchdoesarablelandtaeupinchina?
only7percent.
Hoanyaysareentionedtoaethelandproduceore?
hatarethey?
Fertilisation,irritation,2ororecropsareplantedeachyearherepossible,oreadvancedtechnicalinforation.
hatdoesnetechniquesean?
Thosethatareusedtoincreaseagriculturalproductionithoutharingtheenvironent.
hendidscientiststarttodevelopnetechniques?
Frotheearly1990s.
Hoanyunusualaysareentionedtodealiththeshortageofarableland?
Grovegetablesingreenhouses,G.
Postreading
）choosethebestansers.
Inchinaonlysevenpercentofthelandisusedforfaring.Thisis__D__.
Abecausefarersdon’tneedorelandtoproducefoodfortheholepopulation
Bbecausechinaneedsore&orelandtobuildcities
Bbecausechinaneedsore&orelandtobuildcities
cbecausetherearenotenoughfarerstoorontheland
Dbecausetheotherlandcan’tbeusedforagriculture
Fertilisationisatechniquethatisusedto__A___.
AaepoorsoilbetterBaeetlanddrier
caedrylandetterDgrovegetablesiththeirrootsinaterinsteadofearth
odernagricultureeansfindingaysto___c___.
Aincreaseirritation&stopusingfertilisers
Bstopirritation&usingfertilisers
cincreaseproduction&befriendlytotheenvironent
Dproducethesaeaounthiletaingbettercareofnature
Inthesentence“…theyareprotectedfrotheind,rain&insects”,“they”eans_c_.
AgreenhousesBroots
cvegetablesDtoatoes
InG“”standsfor“odified”,hicheans“changed”.hatchangesis___c___.
Atheayinhichpoorsoilisadebetter
Btheayinhichchinesefarersorontheirland
ctheayinhichcropsdevelopfroseed
Dtheayinhichfarerstaecareoftheenvironent
）Anserthefolloingquestionsbyfurtherunderstandingaboutthetext.
Atthebeginningofthepassage,hydoestheritersay“Itisonthearablelandthatthefarersproducefoodfortheholepopulationofchina”?
Itshoshogreatechineseare:
eproducefoodforsoanypeopleithsolittlearableland.
hatdoestheriteranttotellusbysaying,“Notonlyfoodproductionisiportantbutalsotaingcareoftheenvironent.”?
eusttaecareoftheenvironentasellasfoodproduction.Thatistosay,eshouldproduceorefoodbyeansofnetechniqueshichillnotdohartotheenvironent.
hatcaneinferfrothesentence“InchinaaboutonehundredresearchstationsarenodoingGresearchtoaebettertoatoes,cotton…”
Inthefutureecaneatthehi-techproducedfood,hichcontainsorevitains&illnotdohartotheenvironent.
hatcanyouiagineaboutthefutureoffoodproduction?
ecanproduceorefoodthannoithnetechniques.
）Groupor:
ThroughGitispossibletochangefruits,vegetables&evenanials.ecanchangetheaytheygro,heretheycangro,hotheyilltaste,hatcolor&hatshapetheyillhave.Decidehichfruits,vegetables&faranialsyououldchange,explainhoyououldchangethe&hy.
indHoouldyouchangeit?
hydoyouanttochangeitinthisay？
fruit
vegetables
anials
Hoeor:
Findoutsoesentencesyouenjoysost,&trytorecitetheaspossibleasyoucan.
consulttheebsites：
chenet./nescenter
sdxn.gov/zfxd-sho.asp
Period3Speaing
Tas:
TheSsaretodiscuss&reachaconclusion.
Goals:
EnabletheSstoinventtheironideasbasedonsoespecificsituationfirst&givethereasonshytheyaetheconclusionsasell.
Teachingprocedure
Pretas1.Describethefarinthepicture.
hatelseshouldbeincludedatafarbesideshatyouseeinthepicture?
Supposeyouareafarer.youhaveabigfar.hatillyoudoithyourfar?
hat’sthepercentageofthearablelandinchina?
TheSsaynotnotheexactnuber,sotheanseraybe“thearablelandinchinaislessthanbefore”.
hat’sthepopulationofchina?
About1.3billionpeople.
Therearesoanypeople,butthereissolittlearablelandinchina,Hotosolvetheproble?
aethebestuseoftheland.
Speaing
Agroupoffarersinyourareahavebeengivenalargepieceofland.Togetheriththevillageleader,theyhavetodecidehotousetheland.oringroupsof5.Eachgroupeberillplayoneoftheroles.Preparerolecards,discusstheproble&trytoaeadecision.
RoleA
youarearicefarer.youthinthateshouldgroriceontheland.Riceisaniportantproduct&ecanaegoodoneygroingrice.Anotherreasonhyyouthineshouldgroriceisthat_____.youdon’tthineshouldgrosugarcaneonitbecause_________&because____________.
RoleB
youareasugarcanefarer.youthinthatthelandshouldbeusedforgroingsugarcane,because___________&because__________.youdon’tthinitouldbeagoodideatogroricebecause_______.
Rolec
youarealocalfarer.youthinthateshouldgrotreesonthelandbecause_________&because_______.youdon’tthineshouldusethelandtoraisepigsbecause_______&because___________.
RoleD
youarealocalfarer.youanttousethelandtoraisepigsbecause________.youthinthatgroingtreesisaasteoftie&illnotaegoodoneybecause_____________.
AstheSstousetheexpressionsbelo.
Usefulexpressions:
Inyopinionyoushould…Ithinheisright…
IfIereyou…ehavetoaeachoice…
AsfarasIcanseethebestthingouldbeto…ecan’tdoboth,so…
ouldn’titbebetterif…?
Theotherideasoundsbettertoe
Posttas:
Debate
Supposethegovernentantstousethelandinyourvillagetobuildafactory,hileyouvillagersareagainstit.Tellyourreasonsseparately.
Dividetheholeclassinto2groups.Givethesoetietoprepareforthereasons,&thenletthedebateagainsteachother.
Hoeor:
PrevietheintegratingsillsonB.
Period4Graar&integratingsills2
Tas:
）TheSsaretorevietheusagesofsoesuffixes&dosoeexercisesabouttheusageof“it”forephasis.
）TheSsaretoreadapassagetolearnsth.aboutgreeningthehills.
Goals:
）Toastertheusagesofsoesuffixes&theusageof“it”forephasis.
）Toastertheabilityofhotoreadapassageaccordingtotheorderoftie.
Teachingprocedure
aringup
Givethefolloingords&expressionsinvariousfors.
n.----ad
use----usefulbeauty----beautiful
fun----funnyluc----luc
nation----nationalnature----natural
v.----n.
arrive----arrivalsurvive----survival
visit----visitorait----aiter
develop----developentgovern----governent
introduce----introductionprepare----preparation
ad----n.
useless----uselessness
lonely----loneliness
Presentation
Findoutthedifferentforsbeteennounfor&verbfor.
educate----educationexaine----exaination
produce----productionpollute----pollution
characteristic
verb+“-tion”noun
Practice
pletethefolloingchart&chooseoneordtopleteeachofthesentencesbelo.
NounVerbAdjective
FertilizationFertiliseFertile
ProductionProduceProductive
ProductionProtectProtective
odificationodifyodified
Afterafeteststheodifieds
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