届人教版必修4一轮复习Unit 2Working the land单元教案34页.docx
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届人教版必修4一轮复习Unit 2Working the land单元教案34页.docx
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届人教版必修4一轮复习Unit2Workingtheland单元教案34页
Unit2Workingtheland单元教案
Periods1 WarmingupandReading
TheGeneralIdeaofThisPeriod
ThisperiodincludesWarmingup,Pre-reading,ReadingandComprehendingofUnit2.Itintroducessomethingaboutagriculture,especiallyaboutDrYuanandhissup
erhybridrice.Itcanhelpthestudents,especiallythestudentsincities,knowsomethingaboutagriculture.Infactthisworldfacesaseriousproblem—starvation.
SoafterreadingthepassageaboutDrYuanthestudentswillknowtheimportanceofhisachievementtoman.OfcoursetheywilllearnfromDrYuansomenoblecharacters,andlearnhowtheyshouldtrytheirbesttomakecontributionstothesociety.
TeachingImportantPoints
Helpthestudentstounderstandthepassagebetter.
Learnandmastertheimportantwordsandphrasesinthisperiod.
HowtohelpthestudentsmakeuptheirmindstomakecontributionstothesocietyinthefuturelikeDrYuan.
TeachingDifficultPoints
Howtohelpthestudentsimprovetheirreadingabilityandunderstandthepassagebetter.
Howtomastertheimportantlanguagepointsinthispassage.
TeachingMethods
Fastreadingtogetthegeneralideaofthetext.
Detailreadingtounderstandthepassagebetter.
Explanationtohelpthestudentsmastersomelanguagepoints.
Discussiontohelpthestudentsunderstandbetterwhatthey’velearnedandtousetheknowledgethey’velearnedinthisperiod.
TeachingAids
Ataperecorder
Amultimedia
ThreeDimensionalTeachingAims
KnowledgeandSkills
Trainthestudents’readingability.
Learnthefollowingusefulwords,expressionsanddrills:
Words:
sunburn,struggle,super,expand,circulate,equip,export
Expressions:
rid...of,besatisfiedwith,leada...life,searchfor,wouldrather,thanksto,withthehopeof,ratherthan
Drills:
1)Thisspecialstrainofricemakesitpossibletoproduceone-thirdmoreofthecropinthesamefields.
2)Hecareslittleaboutspendingthemoneyonhimselforleadingacomfortablelife.
3)Healsodoesn’tcareaboutbeingfamous.
4)Hefeelsitgiveshimlessfreedomtodohisresearch.
5)Hisotherhobbiesincludeplayingmah-jong,swimmingandreading.
6)Wishingforthings,however,costsnothing.
Enablethestudentstolearnmoreaboutagriculture,countrysideandfarming.Theycanexchangetheirexperiencewitheachotherbytalkingandrealizetherolethatagricultureplaysinhumanlifefromthispart.
ProcessandStrategies
Fastreadingtomakethestudentsgetthemainideaofthepassage.
Explanationtomakethestudentsmastersomelanguagepoints.
FeelingsandValue
Itcanhelpthestudents,especiallythestudentsincities,knowsomethingaboutagriculture.
TeachingProcedures
Step1Warmingup
T:
Goodmorning/afternooneveryone.
Ss:
Goodmorning/afternoon,teacher.
T:
Inunit1thepreviowswelearntsomegreatwomen.Todaywe’lllearnsomethingaboutafamousman.Atfirstlet’slookatthefollowingpicturesandtellmewhatthepeoplearedoing?
Ss:
Theyarefarming.
T:
Areyoufromafarmer’sfamily?
Whatdoyouknowaboutfarming?
(Showthefollowingchartwordbywordonthescreen,andaskthemtotellmore.)
soil
crops
ploughing
weatherandclimate
irrigating
...
T:
Maybeeveryoneknowssomethingaboutthemodernagriculture,butdoyouknowanythingabouttheagricultureinthepast?
Thenshowthestudentsthefollowingpictures:
Agricultureinthepast
Themodernagriculture
Step2Pre-reading
Thepurposeofthisstepistoletthestudentsknowtheimportanceofrice.Byansweringthetwoquestions,thestudentscaneasilyunderstandwhywecallDrYuanLongpingapioneerforallpeople,andwhyhedevotesallhislifetothericeresearch.
T:
WhatisthemainfoodinallEastAsianandSoutheastAsiancountries?
Ss:
Rice.Itissaidthatthereare2.4billionpeopletoeatriceeverydaythroughouttheworld.
T:
Whatdoyouthinkwouldhappeniftherewassuddenlynoricetoeat?
Ss:
Ifthathappened,peopletherewouldsufferfromstarvation.Peoplewouldbepanic(惊慌)andthewholecountrywouldgetintotrouble.
T:
ButtodayitwillnothappenbecauseDrYuanLongpinghelpsus.Sotodaywe’lllearnapassageaboutDrYuan,theFatherofhybridrice.Let’scometothetext.
Step3Fastreading
ThereadingmaterialisaboutanagriculturalpioneernamedYuanLongpingwhoworkedhardatanewstrainofrice.Ithasprovedsosuccessfulthathistechnologyspreadintoothercountries.Thepurposeofthefastreadingistoletthestudentsfindsomeusefulinformation,andgetfamiliarwiththetext.Sointhisstep,theteachercandesignsomequestionstheforthestudents,sothattheycaneasilyfindtheanswersandfinishthereadingtask.
T:
Readthetextfastandfindouttheanswerstothequestionsonthescreen.ThenI’dliketoaskyoutoanswerthem.
Showthequestionsonthescreenandgivethestudentsthreeminutestoreadthetextquickly.
1.WhatisDrYuan’sappearance?
2.What’shisachievement?
3.Doyouthinkheisagreatman?
Why?
Threeminuteslater.
T:
No
wwhowouldliketoanswerthefirstquestion?
S:
1.Hehasasunburntfaceandarmsandaslim,strongbody.Heismorelikeafarmerthanascientist.
T:
Youareright,verygood!
Whataboutthesecondone?
S:
2.Hegrowswhatiscalledsuperhybridrice,whichmakesitpossibletoproduceone-thirdmoreofthecropinthesamefields.Thankstohisresearch,theUNistryingtoridtheworldofhunger.Usinghishybridricefarmers’producingharveststwiceaslargeasbefore.
T:
Doyouthinkheisagreatman?
Why?
(Ssgivetheirownanswers.)
Step4Detailedreading
T:
Pleasereadthetextagain,andtrytofindtheanswersforthefollowingquestions:
I’llgiveyoufourminutes.
1.WhydidDrYuanwanttoincreasethericeoutputwhenhewasyoung?
2.Howdoeshehelpridtheworldofhunger?
3.WhatkindoflifeisDrYuanleading?
4.UseafewwordstodescribeDrYuan’spersonality.
Fourminuteslater.
T:
Whohavefoundtheanswerforthefirstquestion?
Suggestedanswers:
1.DrYuanwantedtoincreasethericeoutputbecausehesawmanypeoplegohungrywhenhewasyoung.
2.Hehelpstheworldgetridofhungerbyproducingahybridstrainofricewhichincreasetheharvest.
3.DrYuanisleadingasimplelife,doinghisresearch,listeningtohismusicandridinghismotor-bike.
4.DrYuanisasimple,academicmanwhoismoreinterestedinhelpingothersthanbeingfamous.
Step5Extensivereading
T:
Nowpleasereadthetextforthethirdtime,thenfillthefollowingchart:
Ssreadandfillthechart:
NameYuan
Longping
Born
Graduated
Appearance
Hehas__________faceandarms.Hisbodyis__________but__________.Allthismakeshimlookasareal__________.
Achievements
Hesucceededin__________.
Hebecamethefirstagricultural__________intheworldtogrow__________ whoseoutputishigh.Hehelpedthegovernmenthighlyincreasethe__________ofgrain.
Personality
1.carelittlefor__________
2.wouldliketolivealifeof__________
3.hasgreat__________.
Step6Discussion
Doyouwant
toendthefamine(饥荒)intheworld?
Ifyouhadthechancetodoonethingtohelpendhungerintheworld,whatwouldyoudo?
Inventanewkindofplanttoproducemorefood.
Findasortoffertilizer(肥料)togivericeenoughnutrition.
Stopthepollutiontotheenvironmentandprotectthesoilinthefield.
Step7Languagepoints
Theteacherexplainstheimportantwordsandexpressionsfromthereading.Trytouseasmanyexamplesaspossibletoillustratethepoint.Afterillustration,theteachercangivethestudentssomeexercisetoconsolidatetheirunderstanding.
Step8Homework
FinishtheexercisesonWorkbook.
Prepareforthenextclass.
TheDesignoftheWritingontheBlackboard
Unit2 Workingtheland
Period1 WarmingupandReading
Languagefocus
1.rid...of makesb./sth.freefrom(sb./sth.unpleasant)
e.g.Weallwishthatwewouldridtheworldoffamine.
Thefarmerrecentlytried
toridthehouseofrats.
2.leada...life,livea...life
e.g.Nowweareleadingahappylife.
Intheolddaysfarmersledaterriblelifeinthecountry.
3.wouldrather,preferto
e.g.I’dratherwalkthantakeabus.
I’dratheryouknewthatnow,thanafterwards.
RecordafterTeaching
ActivitiesandResearch
Researchoncrops
Thisactivityisintendedforgroupcooperation.Thestudentshavetoassignthemselvesthework.Thestudentsareaskedtostudythreeorfourcropsthataregrownontheland,includingwhereitgrows;thevarieties;itsidealenvironment.Thisactivityisimportantforthestudentsasitencouragesindependentlearninganddevelopsresearchskills.
1.Assigneachgrouptofindouttheinformationofonekindofcrop.
2.StudentscansearchsomeinformationontheInternet,theycanalsogainalotofinformationfromagoodsetofencyclopedia.
3.Encouragethemtodotheworkoutofschoolashomeworkorindependentprojectwork.
4.Helpthestudentsorganizetheirinformationunderthethreeheadings:
geography,varietiesandenvironment.
5.Whenstudentspresenttheirwork,praisetheireffortsinclassandgivethemencouragementandsuggestionstoimprovethequalityoftheirfutureprojects.
6.Teachercanalsodisplaythestudents’projectsforotherclassesandtheirparentstosee.
ReferenceforTeaching
BackgroundInformation
1.Crops
1)Cucumbers
Cucumbersaregrownforeatingfreshorpreservingaspickles.Theymustbegrowninwarmtemperaturesandfullsunlight,andwillnotstandfrost.Cucumbersmaturequicklyandarebestsuitedtolargegardensbutcanbegrowninsmallareasifcagedortrellised.
Cucumbersdobestinloose,sandyloamsoilbutcanbegrowninanywelldrainedsoil.Remove
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