高二英语unit学案.docx
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高二英语unit学案
Unit4GreenWorld
一、知识部分
1、重点单词
procedurebunchmerelyclassifypromoteappetiteappointcalculateexpenseinvolvesettlementaccumulateabandontonerewardtechniciannowherealtogetherlatterdistinguishedappearanceb5E2RGbCAP
2、重点短语
lookoutfor,onalargescale,yearafteryear,passaway,nameafter,indetail,abunchof,besuitableto,have…incommon,belongto,abranchof,classify…into,base…on…,accordingto,haveanappetitefor,appoint…as…,leadacosylife,beinvolvedin,atone’sownexpesse,givebirthtop1EanqFDPw
3、重要句型
强调句型
4、交际用法
speakaboutprocedures
Idividethestageintothreeparts…
Firstly,…
Itisveryimportantinthemiddlepart…
Thelastpartis….
Thisisthewholecase.
5、语法
宾语
Igaveanappletotheoldmanyesterday.
Iappreciatewalkingalongthestreetwithmysweetheart.DXDiTa9E3d
6、能力部分(writingapocedure>
二、教案过程
periodI
Step1
Warmingup
Lookatthepicturesandmatcheachflowerwithitscorrectname.RTCrpUDGiT
2.Canyoutellsomethingabouteachflower?
Wheredoesitcomefrom?
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3.Whatisitusedfor?
4.Whichflowerisyourfavourite?
Explainwhy.
5.Whatvocabularywillyouneedtotalkaboutflowersandplants?
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Step2
Listening(略>
Step3
Speaking
speakaboutprocedures
Idividethestageintothreeparts…
Firstly,…
Itisveryimportantinthemiddlepart…
Thelastpartis….
Thisisthewholecase.
Step4
Homework
PeriodIIandPeriodIII
Reading:
Warmingup
Lookatthepicturesandmatcheachflowerwithitscorrectname
Whichflowerisyourfavorite?
Explainwhy.
Pre-reading
WhywasCarlLinnaeusimportanttothehistoryofbotanyasascience?
Hissystemofgroupingplantsinfamilieswasunique,whichbasedonthearrangementofthemaleandfemaleorgansintheflowers.
While-reading
Fastreading
Howmanypeoplearementionedinthepassage?
CarlLinnaeusDanielSolanderJosephBanksCaptainCook
Carefulreading
1.BeforeLinnaeusbotanywas________.D
A.studiedbydoctorsB.unknowntoanyoneC.fullydevelopedD.abranchofmedicine
2.Someeconomicspeciesplantssuchas____couldhelptodeveloplocaleconomies.C
A.roseandpeonyB.teaandappleC.cocoaandhempD.Cocoaandlemon
3.Itwas____whomadeKewacentreofscientificandeconomicresearch.A
A.JosephBanksB.CaptainCookC.LinnaeusD.DanielSolander
4.Paragraphoneofthetextmainlytellsus___.C
A.theimportanceofbotanyB.howtoclassifyplantspeciesintogroups
C.Linnaeus’contributiontobotanyD.Linnaeus’discoveriesaboutdifferentspecies
5.CaptainCookmade___voyagesaltogetheraroundtheworld.C
A.oneB.TwoC.ThreeD.four
Post-reading
1.HowdidscientistsclassifyplantsbeforeLinnaeus?
Somescientistsclassifiedplantsintoherbsandtrees,oraccordingtotheshapeofthefruit,orwhethertheyhadflowersornot.
2.WhatwerethegoalsofJamesCook’sfirstvoyagearoundtheworld?
TostudythepassingoftheplanetVenusacrossthesun。
torecord,classifyanddescribeallplantandanimallifeobservedduringthetrip。
tosearchforanunknownsoutherncontinent.
3.WhydidJosephBankshavetosupplyhisownmoneytoequippartoftheexpedition?
Becausethegovernmentwouldnotpayforsuchanewfieldofscienceasbotany.
4.Whatcouldbeapossibleexplanationforthename“strawberry”?
Whenpeopleplantstrawberry,theyspreadstrawunderthefruittoreducethenecessaryamountofwatering.
TranslatethefollowingphrasesintoEnglish:
1.详细地indetail
2.处于支配的地位,负责inchargeof
3.由……负责inthechargeof
4.任命某人为……appointsb.as
5.将……分类成classify…into…
6.计算……之间的距离calculatethedistancebetween…
7.一代一代传下去passonfromonegenerationtothenext
8.建于……之上;以……为基础bebasedon
9.参与。
陷入……的活动beinvolvedin
10.根据。
视……而定;按照accordingto
11.搜索;寻找searchfor
12.总而言之altogether
1.match…with<在品质;颜色;设计等方面)相等,相当,相配
2.attheageof在……岁时
3.lookoutfor警惕。
留心。
守侯
4.onalargescale大规模地。
大范围地
5.yearafteryear年年。
年复一年
6.passaway逝世
7.name…after给……取名。
命名
8.indetail详细
9.takecareof关心。
照顾
10.classify…into分类。
归类
11.developalifelongfriendshipwith与……结存了终生好朋友
12.borninto出生
13.haveanappetiteforknowledge有求知欲
14.appointsb.as…委派。
任命某人为……
15.spreadover传播。
流传
16.agreatdealof大量。
许多(用于不可数名词>
17.liein在于
18.relatedto与……有关
19.thekeyto关键是(在于>
20.adaptto适应于
21.besunkeninto堕入xHAQX74J0X
PeriodIV
Intergratingskills
TeachingAims:
1.Getthestudentstograspthemainideaofthetextsoastoimprovetheirreadingability.LDAYtRyKfE
2.Getthestudentstolearnthescientificwayforthescientiststodotheirresearchwork.一thewaytothinkandobserve.Zzz6ZB2Ltk
3.Getthestudentstowriteadescriptionofplants.dvzfvkwMI1
TeachingImportantPoints:
1.Howtoanalysefinarticlesoastograspitsmainidea.rqyn14ZNXI
2.Howtowriteadescriptionaccordingtotheinformationgiven.EmxvxOtOco
TeachingDifficultPoint:
1.Howtoimprovethestudents’readingability---howtoanalyseanarticle.SixE2yXPq5
TeachingMethods:
1.Pairworkorgroupworktomakeeverystudenttakeanactivepartintheclass.6ewMyirQFL
2.Discussiontogetthestudentstounderstandwhattheyare1earningbetter.kavU42VRUs
TeachingAids:
1.acomputer
2.acourseware
3.ataperecorder
Teachingprocedures:
StepI GreetingsandRevision
Greetthewholeclassasusual.
T:
Inthelastperiod。
youweretoldtomakesentenceswiththeusefulwordsandexpressionsinthetext.Haveyougotprepared?
(Ss:
Yes.>Nowreadthesentencestous.Volunteer!
Onestudent,onesentence.y6v3ALoS89
Sa:
makeattempttodosth.
Theymadenoattempttoescape.(atescaping>
Sb:
classify
Thebooksinourschoollibraryareclassifiedaccordingtosubject.M2ub6vSTnP
Sc:
group
Grouptogetherintwo!
Sd:
identification
Hecarriesidentificationwithhimatalltimeswhenheisout.0YujCfmUCw
Se:
promote
Heworkstopromotethefriendshipbetweenthetwocountries.eUts8ZQVRd
Sf:
privilege
Theyfightagainstprivilegeinordertocreateafairersociety.sQsAEJkW5T
Sg:
cosy
Helivesinanicecosylittlehouse.
Sh:
haveanappetitefor
Theenemyhadnoappetiteforthefight.
Si:
appoint
Hewasappointedministertoaforeigncountry.
Sj:
calculate
Thescientistscaculatedwhenthespaceshipwouldreachthemoonwithacalculator.GMsIasNXkA
Sk:
onalargescale
Theworkofreformingindustrycarriedoutinallprovincesonalargescale.TIrRGchYzg
Sl:
involve
Thecaseinvolvedseveralleaders.
Sm:
accumulate
Heaccumulatedafortunebyinvestingwisely.
Sn:
abandon
Hefoundababyabandonedbyhisparents.
StepIIPreparationforReading
T:
Somuchforhomework.NowopenyourbooksandturntoPage169.Let’sreadthenewwordsandexpressionsofthisperiod.Whowillreadthemtous?
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Sl:
I’lltry….
(Teacheraskssomestudentstoreadthenewwordsandexpressions.Whilereading,letotherstudentscorrectthemistakesmadebythestudents.Thenplaythetapetogetthestudentstofol1ow.Teachermaygivebriefexplanationlzq7IGf02E
abouttheirusageswhennecessary.>
StepⅢFast-reading
T:
You’velearntsomethingaboutCarlLinnaeus。
DanielSolanderandJosephBanksinthetextwe’vejuststudied.Andyou’vereadaboutMichurinandDarwin.Today,we’lllearnaboutanothertwoscientistsGregorMendelandGoteTuresson.Whatdidtheydo?
What contributiondidtheymake?
Afterwe’velearntthepassage.I’IIsureyou’11haveaclearidea.zvpgeqJ1hk
(Showthefollowingonthescreen.>
Nowreadthetextfastandtrytograspthemainideaofthetextasmuchaspossible.Thenfindanswerstothequestionsonthesceen.NrpoJac3v1
Answerthefollowingquestions:
1.WhatwasCharlesDarwin’shobbywhenhewasyoung?
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2.WhatledDarwintowritehisfamaousbook“OntheOriginofSpecies”?
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3.Whofoundedthescienceofgenetics?
4.Whomadecontributiontotheimprovementoftheoutputofcropsaccordingtothetext?
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(Studentsbegintoreadthetaxt.Afterafewminutes,teachersaysthefollowing>HbmVN777sL
T:
Haveyoufinished?
Ss:
Yes,wehave.
T:
Nowgiveustheanswers,please.Onestudent,onequestion.V7l4jRB8Hs
Sb:
1.Whenhewasyoung,Darwinenjoyeddoingallkindsofexperimentsandstudyingphysics,chemistryandlaterbotanywashishobby.83lcPA59W9
Sc:
2.Whenhewastwenty-twoyearsold,hewasinvitedtotakepartinthescientificexpeditiononthefive-yearvoyageledhimtowritehisfamousbook:
OntheOriginofSpeciesmZkklkzaaP
Sd:
ItwastheresearchworkofMendelthatgavebirthtothescienceofgenetics.AVktR43bpw
Se:
Mendel’sgeneticsandTuresson’sfindingsarebothimportanttotheoutputofcrops.ORjBnOwcEd
T:
Whatyousaidisright.Thankyouforgivingussuchgooda2MiJTy0dTT
StepⅣReadingandComprehension:
T:
(Showthefollowingonthescreen>
Nowlet’sreadthetextagainanddiscussthequestionsonthescreen.Pairworkorgroupwork.gIiSpiue7A
1.TheresearchofCharlesDarwin,GregorMendelandCoteTuressonislikepiecesinapuzzlethatshowacompletepicturewhenputtogether.uEh0U1Yfmh
(1>WhatdidDarwindiscoveraboutbirdspeciesinGalapagos?
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(2>WhatdidMendelobserveinhisexperimentswithpeas?
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(3>LookingatwildplantspeciesinSweden,whatdidTuressondiscover?
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2.Completethefollowingsentence.
Darwin’sdiscoveriesinGalapagoswerebasedondifferences______wildspecies,whileTuresson’sobservationsshowedthattherearestablevarieties___wildspecies.ooeyYZTjj1
3.Thatsoilconditionsareimportanttotheoutputofcropswasknownmorethan2000 years ago.WhyareTuresson’sdiscoveriesstillimportanttoagriculturethen?
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(Teachergoesamongthestudentsand