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Unit4GreenWorld
TheFirstPeriodWarmingupandSpeaking
Teachinggoals:
1.Targetlanguage:
a.Importantwords:tulip,rose,peony,strawberry,bunch,
b.Importantsentences:
Canyoutellsomethingabouteachflower?Wheredoesitefrom?
Whatisitusedfor?Whichflowerisyourfavorite?
Explainhowtogrowandtakecareofthesoybeanplant.
Describewhattodoandhowtotakecareoftheflowersyouhavebeengiven.
2.Abilitygoals:Enablestudentstotalkabout^abotany^^(includingthenames,theproperties,
theusageofcertainplants,howtogrowandtakecareofthem,etc)andtosaysomethingaboutit.
3.Learningabilitygoals:Learnhowtodescribeplants(properties;placesofbirth;what
theyareusedfor;howtogrowandtakecareofthem,etc).
Teachingimportantpoints:
Helpstudentslearntodescribeplantsandhowtogrowandtakecareofthem.
Teachingdifficultpoints:
Howtohelpstudentslearnmoreabout"botany”,andthengivedescriptions.
Teachingmethods:
Discussion;Pairwork;Groupwork
Teachingaids:Pictures,slides,aPCandaprojector.
Teachingprocedures&ways:
Step1Revision
T:Inthelastunit,we'velearnedalotaboutAustralia.Nowwho'dliketomakeageneral
speechonthecountry?
S:Letmetry.Australiaistheonlycountryintheworldwhichcoversanentirecontinent.Itis
awealthycountry,whichproducesmetals,preciousstones,coal,grain,meatandwines,andhas
thebiggestironminesintheworld.Australiahasaboutone-sixthoftheworldssheepand
producesalmostone-thirdofitswool.TheclimateinAustraliavariesfromnorthtosouth.
T:Anythingelse?
S:ModernAustraliaismadeupofsixstatesandtwoterritories.ThefirstAustralianswere
theaboriginesandTorresStraitIslanders.ThetwoworldwarshadastronginfluenceonAustralia.
TheofficiallanguageisEnglish,whicharequitedijferentfromBritishandAmericanEnglish.
Step2WarmingUp
T:Good.Youreallydidagreatjob.DoyouknowwhatisthenationalflowerofAustralia?
S:GoldenWattle(Acaciapycnantha)(金合欢,又称相思树).
Showthepicturetostudents.
T:Verygood.Asshowninthepicture,thespeciesis
certainlyattractivewithitsshowy,large,brightgoldenflower
heads.NowlookatthepicturesonPage28inourtextbooks.
Thesearefourflowersmonlyseeninourdailylife.First,
matcheachflowerwithitscorrectname,please.
T:Thereseemsnodifficultyforyoutodothis,right?OK,theansweris...
S:(D-rose;②-tulip;③-peony;©-sunflower
T:Welldone.Susan,whatisyourfavorite?Why?
S:Ilovesunflowerbestofall.Thereare,Ithink,threereasons,first,Iloveeatingtheseedsof
sunflowers,theyaredelicious;second,theirstemscanbeusedtobuildfencesbyfarmers;third,
sunfloweroilisverypopularindailylife.
T:Great.Lily,canyoutellussomethingabouttheotherthreeflowers?
S:OK.TulipsarenativetoCentralandWesternAsia,andpartsoftheMiddleEast,roughly
intheregionnearAfghanistan.Tulipsaremainlyusedfordecoration.Treepeony,theChinese
NationalFlower,nativetoChina,iscalledasthe"Kingofflowers",whichiswidelyusedin
Chinesemedicine.RoseisnativetoSouthwestAsia,anditisoftenusedaspresentwiththe
meaningof"love”.Also,roseflowerisakindofimportantChinesemedicine.
T:Good.Asweallknow,flowersareonlyoneofthemostimportantpartsofplants.Plants
areveryimportanttohumanbeings.Theyprovideusfood,medicine,decoration,etc.Without
them,ourworldwouldbedull,lifeless...Andgrowingplantscanbebothfunandauseful
experience.Doyouhavesuchexperiences?Doyouknowhowtogrowcertainplants?Andhowto
takecareofthem?ThepicturesonPage29isanexampleofplantingsoybeans.Noweveryone,
lookatthepicturesfirst,thentrytoexplainthestagesofgrowingsoybeanandhowtotakeof
thembydescribingeachpicture,youmaywritedownyourideasonthepaper.
Movearoundtheclassandchecktheirwork.Offerlanguagehelpifneeded.
Step3Speakingaboutprocedures
T:Kate,wouldyouliketoshowusyourideas?
S:Gladto.First,putsomesoftsoilinthepotorbox;second,puttheseedsofsoybeansona
wetclothorputtheminthewater;then,puttheseedsintothesoil.Afterseveraldays,theseedse
intobudandoutofthesoil.Lateron,waterthemeverytwodaystillthegreenleavesgrow.
Forthisstep,theteachercan(oraskthestudentsto)makeashortfilmtopresentthestages
ofgrowingsoybeans.
Step4Discussion
T:Welldone,Kate.Soybeansareeasytogrow.Nowimagineyouwanttoplantsomething
elseinyourgardenplot,workingroupsanddecidewhichplants,vegetablesorflowersyour
groupwouldgrow,howtoplantthem,howtotakecareofthem,whentoharvestorpickthem.
Step5Oral-presentation
Askseveralstudentstoshowtheiranswerstotheclass.
Sampleanswers:Carrotsareloadedwithvitamins,andarenutritious.Ontopofbeinggood
foryou,carrotstastegood,too.Soourchoiceiscarrot.
(1)Beforeplanting,workthesoildeeply.
(2)Sowthemverythinly,about1/4inchdeep.Coverthemwithafinegardensoil.Or
sprinklethemontopofthesoil,andlightlywaterthemintothesoil.
(3)Keepcarrotswellweededearlyintheseason.Theyareeasilyovercrowded,withany
petingweedsusuallywinningout.
(4)Begintoharvestcarrotsas"baby"size,thinningtherowasyouharvest.Onceyoubegin
picking,youcanharvestasneeded.
Step6Talking
T:Reallyinteresting.Buthowdotheplantsgrow?
ReadtheinstructiononPage170intheWORKBOOKtothestudents,thenaskthestudents
toworkinpairstodescribe"theprocessofphotosynthesisofplants^^intheirownlanguage.
Adescriptionofbasicphotosynthesis:
Photosynthesisistheprocessbywhichgreenplantsandcertainotherorganismstransform
lightenergyintochemicalenergy.Duringphotosynthesisingreenplants,lightenergyiscaptured
andusedtoconvertwater,carbondioxide,andmineralsintooxygenandenergy-richorganic
pounds.
Step7Assignment
T:Inthisclass,we'velearnedalotaboutplantsandplanting.Askyourparentsorothersto
teachyoumoreaboutplanting,ifyouareinterestedin.AndpleasedoExercise3onPage30inthe
textbooks
Period2Reading
Step1Warmingup
InSB1(下)Unitl9,wehavelearnedsomeknowledgeaboutagriculture.Andwehaveknown
aboutoneofthegreatestscientistsinourhistory——JiaSixie.Didyouremember?Howdowe
plantcrops?
(Weshouldplantriceinafieldoneyearandwheatinthefieldnextyear.)
Howdoweplough?
(Ploughdeepthefirsttimeandlessdeepthesecondtime.)
Inthisunit,wewilllearnaboutscientistswhoareimportanttothehistoryofbotanyand
agriculture.Thisword"botany”植物学,isawordaboutplants.Asweallknow,therearemany
plantsaroundus,suchaswheat,com,tomato,appletreesetc.Withouttheseplants,wecan'tlive.
Buthowmuchdoyouknowaboutthem?Whocantellussomethingaboutthem.
SA:Wheatisakindofplantthatcanbemadeintobread,deliciouscakeswhichcanmakeus
full.
SB:Appletreescanproduceapplesthatcanprovideusvitaminswhichcankeepourbodies
fit.
Yes,theseplantsareveryuseful,buthowdoweplantthem?Wherearetheyfrom?
Itisakindofverycarefulworktoplantthecropsandtrees.
Step2Pre-reading
WhywasCarlLinnaeusimportanttothehistoryofbotanyasascience?
(Hissystemofgroupingplantsinfamilieswasunique,whichbasedonthearrangementof
themaleandfemaleorgansintheflowers.)
Step3While-reading
Fastreading:Howmanypeoplearementionedinthepassage?
CarlLinnaeusDanielSolanderJosephBanksCaptainCook
Carefulreading
Keys:ID2D3B4A?D5C
Post-reading
1.HowdidscientistsclassifyplantsbeforeLinnaeus?
Somescientistsclassifiedplantsintoherbsandtrees,oraccordingtotheshapeofthefruit,or
whethertheyhadflowersornot.
2.WhatwerethegoalsofJamesCook'sfirstvoyagearoundtheworld?
TostudythepassingoftheplanetVenusacrossthesun;torecord,classifyanddescribeall
plantandanimallifeobservedduringthetrip;tosearchforanunknownsoutherncontinent.
3.WhydidJosephBankshavetosupplyhisownmoneytoequippartoftheexpedition?
Becausethegovernmentwouldnotpayforsuchanewfieldofscienceasbotany.
4.Whatcouldbeapossibleexplanationforthename“strawberry”?
Whenpeopleplantstrawberry,theyspreadstrawunderthefruittoreducethenecessary
amountofwatering./berrieslikestraw.
Step4Homework
PleasereadthetextseveraltimesandthentrytowritesomethingaboutJosephBanks:what
dowelearnfromhim?
Period3LanguagePoints
1.Despitehiswealth,heworkedtomakeacareerinscience.wealth意为"财富”,多用作不可
数名词。
Hegainedhisbyprintingoffamouswriters.(NMET1995)
A.wealth;workB.wealths;worksC.wealths;workD.wealth;works
析:根据wealth的词性,可排除B、C;works意为“作品,著作”。
2.Secondly,thepurposeoftheexpeditionwastorecord,classifyanddescribeallplantandanimal
lifeobservedduringthetrip.动词不定式可用作表语,表示主语的具体内容,尤其可用于指未
发生的情况。
Thepurposeofnewtechnologyistomakelifeeasier,itmoredifficult.(上海2005
春)
A.notmakingB.notmakeC.nottomakeD.nortomake
析:两个或多个不定式表示并列或递进关系时,后面的不定式符号to常常省略,但当
它们表示对比关系时,不定式符号to常常保留。本题题意为“新技术的目的是使生活更容易,
而不是让生活更艰难”,两个不定式之间是对比关系
3.(Pl.L2)Attemptshadbeenmadebyotherstoclassifyplantspeciesintogroups...
A.Othershadmadeeffortsfortheclassificationofplantspecies.
B.Othershadbeentryingtogroupplantspecies.
C.Othershadattemptedtoclassifyplantspecies.
4.(Pl.L3)ShowinghowplantswererelatedwasaplexandstrangethingbeforeLinnaeus
developedhissystem.
A.Linnaeus'systemmadeitsimpleandmontoshowhowplantswererelated.
B.BeforeLinnaeusdevelopedhissystem,itwasplexandstrangetoshowhowplantswere
related
5.(Pl.L6)...Linnaeus9ideaofgroupingplantsinfamilieswasunique.
A.Itisveryspecialthatheclassifiedplantsintofamilies.
B.Hisideathatplantsshouldbegroupedinfamilieswasunique.
6.(Pl.L9)...althoughtheyaredifferentatfirstsight.
Takethefirstlookatthem.
7.(P3.LI)Bomintoalifeofprivilege,...
Whenhewasborn,heenjoyedalifeofprivilege.
8.(P3.L2)Manyyoungmeninhispositionwouldleadacosylife,butyoungBankshadan
appetiteforknowledge.
1)inhisposition=inahighersocialpositionlikehim
2)Leadacosylife=liveafortablelife
3)haveanappetitefor=haveadesirefor=longfor
9.(P3.L3)Despitehiswealth,heworkedtomakeacareerinscience.
A.becausehewaswealthy
B.eventhoughhewaswealthy
C.apartfromhiswealth
1)despite=inspiteof;尽管,不论despitehiswealth=eventhoughhewaswealthy.
2)makeacareer向上爬,谋求发迹
HeworkedtomakeacareerinsciencemeansHeworkedhardforthecauseofscience.
10.(P4.Ll),...theRoyalNavyappointedJamesCookasthemanderoftheEndeavourtotakethe
membersofRoyalSocietyonanexpeditiontoTahiti.
1)appoint...as...任命
2)takethemembers...带领皇家学会成员
11.(P6.L5)...onecontinenttoanotheronalargescale.
Anypublicdemonstrationsonalargescalewithoutthepermissionofthecityauthoritiesis
antisocial.
不经市政当局的允许举行大规模游行示威是妨害社会秩序的。
12.(P7.L2)Wonderfuldiscoverieshadbeenmadeofstrangenewlands,...
makeadiscoveryof...:Hemadediscoveriesof300usesforpeanutsand200usesfor
sweetpotatoes.他的发现包括花生的三百种用途和红薯的二百种用途。
Wonderfuldiscoveriesincludednewlands,...
13.(P7.L5)Frombehindhisdesk,however,hewasinvolvedinenterprises...
1)Frombehindthedesk=behindthecurtain幕后
2)beinvolvedin,getinvolvedin参与,卷入,涉及
Don'tinvolveotherpeopleinyourtrouble.别把别人牵涉进你的麻烦中去。
Allthechildrenwereinvolvedintheschoolplay.所有的孩子都参加了排练的剧。
14.Kew:AdistrictofwesternGreaterLondoninsoutheastEngland.ThefamedRoyalBotanic
Gardenswereestablishedin1759andpresentedtothenationin1841.克佑区:英格兰东南部大
伦敦区的西部一区。著名的皇家植物园于1759年建立,1841年被献给国家
Page32Languagestudy,exercise2
Keys:(1)group(2)female(3)Herbs(4)wasappointed(5)botanical(6)was
abandoned
(7)globe(8)Oceania(9)enterprises(10)expense.
Period4Integratingskills
Teachingaims:
1.Getthestudentstograspthemainideaofthetextsoastoimprovetheirreadingability.
2.Getthestudentstolearnthescientificwayforthescientiststodotheirresearchwork-the
waytothinkandobserve.
Teachingimportantpoints:
1.Howtoanalysesanarticlesoastograspitsmainidea.
2.Howtowriteadescriptionaccordingtotheinformationgiven.
Teachingdifficultpoint:
Howtoimprovethestudents9readingability——howtoanalyseanarticle.
Teachingmethods:
1.Pairworkorgroupworktomakeeverystudenttakenanactivepartintheclass.
2.Discussiontogetthestudentstounderstandwhattheyarelearningbetter.
Teachingaids:Aputer,acoursewareandataperecorder
Teachingprocedures:
Step1Revision
Checkthehomework
Step2Scanning
Findouttheimportantpeoplementionedinthetext.
CharlesDarwinFromEnglandGregorMendelFromAustriaGoteTuressonFrom
Sweden
Choosethebestanswersaccordingtothepassage
1.TheresearchbyDarwin,MendelandTuressonshowsthatC
A.geneticsismoreimportantthantheenvironmenttoplants
B.geneticsislessimportantthantheenvironmenttoplants
C.bothgeneticsandtheenvironmentareimportanttoplants
D.neithergeneticsnortheenvironmentisimportanttoplants
2.Darwinobservedthatthebirdswith____wouldeatB
A.smallbeaks;hardseedsB.broadbeaks;hardseeds
C.hardbeaks;hardseedsD.broadbeaks;softseeds
3.DarwinjoinedthescientificexpeditiononC
A.theEndeavourB.TahitiC.theBeagleD.space
4.Scientistsofthenineteenthcenturybelievedthat.D
A.thedevelopmentofnewspecieswasbehindtheinfluenceoftheenvironment
B.thedevelopmentofnewspeciesandtheinfluenceoftheenvironmentwerehandinhand
C.thedevelopmentofnewspecieshadnothingtodowiththeinfluenceoftheenvironment
D.theinfluenceoftheenvironmentwasbehindthedevelopmentofnewspecies
5.Darwinstudiedphysics,chemistryandbotanybecause.B
A.hewasinvitedtojoinscientificexpeditionB.hewasinterestedinthem
C.hecoulddoalotOfexperimentsD.hewantedtofinishhisbook“OntheOriginof
Species"
Step3Carefulreading
Fillinthefollowingblanks
ScientistResearch/experimentResult
CharlesWildlifeofGalapagos,Thereweredifferencesbetweenthespeciesofthedifferent
Darwinmanyvarietiesofgardenislands.Theyshowedaclearrelationshipwiththoseof
rosesAmerica,differencesinhabitatcouldleadtodifferentspecies
inbirdsaswellasinplants.
Manycharacteristicswerepassedonfromonegenerationtothe
Gregor
Flowersandpeasnext,withoutinfluencebytheenvironment.Hisresearchgave
Mendel
birthtothescienceofgenetics.
Foundevidencefortheexistenceofstablevarietieswithin
GoteAwildplantfoundonspeciesinnature.Heshowedthatdifferencesbetweenplantsof
TuressontheSwedishwestcoastonespeciesoccurredasaresultoftheenvironmentalconditions
intheirhabitat.
Thetextcanbedividedintofourparts
PartIPa.1-3:Darwinandhisresearch.
PartIIPa.4-5:Mendelandhisexperiment.
PartIIIPa.6:Turessonandhisstudy
PartIVPa.7:theimportanceandsignificanceoftheresearchofthethree.
Importantsentencesinthepassage
1.ItwasDarwin'svisitontheBeagletotheGalapagosIslesthatgavehimthekeytohisnew
theory.
2.Backhome,inEngland,Darwinrealizedthatdifferencesinhabitatcouldleadtodifferent
speciesinbirdsaswellasinplants.
3.AsaresultofDarwinandMendel?sresearch,scientistsofthenineteenthcenturyformed
thebeliefthatthatinfluenceoftheenvironmentwasbehindthedevelopmentofnewspecies.
4.Itwouldtakeanextgenerationofscientiststobringtheimportanceoftheenvironmenton
speciesbackinview.
Step4Writing
Differenthabitat,differentdandelions
Asshowninthepicture,dandelionstakeondifferentappearancesindifferenthabitats.The
firstpictureshowsahot,dryhabitat,inwhichthedandeliongrowslow,withthin,yellowish
flowersandnarrowlightgreenleaves;whilethesecondoneshowsawetandcoolhabitat,in
whichthedandelionistallerwithrichbutbrightyellowflowersandbroaderleaves.Sowecan
reachaconclusionlikethis:plantschangetheirappearanceandadapttothenewenvironmentif
movedfromonehabitattoanother.
Homework
Makesomeobservationsoftheplantssomewhereinthewildareasasrequiredinthe
textbook,butmakesureyouareinasafedistance.Makenotesofyourimpressionsoftheplants.
Forthistask,youcanworkingroupsorpairsinacorporativeway,andyoumustthinkofwaysto
describewhatyouhaveseenordone.
Period6Grammar
Teachingaims:
1.Reviewwhatcanbeusedastheobject.
2.Reviewsomeimportantrulesabouttheobject.
Teachingimportantpoints:
1.Masterthev.-ingformandtheinfinitiveusedastheobject.
2.Masterthepoundobjectand"it"usedastheformalobject.
Teachingdifficultpoint:
Howtomasterthedifferencesbetweenv.-ingformandtheinfinitiveusedasobject.
Teachingmethod:
Review.Explanationandinductivemethods.
Teachingaids:Aputerandacourseware
Teachingprocedures:
Step1Revision
JosephBankswasbornintoawealthyfamily,andhecouldhaveledalifeofprivilege,but
fromanearlyage,hehadanappetiteforknowledge,hewantedtomakeacareerinscience,he
chosetopursuehispassiontothefull,sohedevotedhismoneytothecareer,hetookpainand
efforttojointheexploration,collectingeverypossibleinformationaboutplants,hehelpedto
developtheroyalgardensintooneofthegreatestbotanicalgardensintheworld,etc.Hereally
contributedalottothescienceofbotany.Hisdevotion,hispursueforknowledge,hissacrifice
willforeverencourageustoembracegreaterdream,tostudyandworkhardtomakeourcountry
richer,strongerandmorebeautiful.
Step2TellwhatisusedastheObject.
Bornin1743,JosephBanksplayedanimportantroleinbotanicalresearchintheeighteenth
century.
(2)EvenbeforegoingtoOxfordin1760,Banksshowedanappetiteforknowledge.
AsamemberoftheRoyalSociety,the25-year-oldBankspaid10,000poundsforthe
equipmentoftheexpedition.
(4)TheRoyalSocietygavehimtheopportunityhehadbeenwaitingfor.
DoyouknowwhoelsejoinedBanksontheexpeditionwithCaptainCookin1768?
(6)In1772hewentonanexpeditionwithafellowstudent.
Heaskedexplorerstosendhimnewplantspeciesfromaroundtheworld,whichheincluded
inthecollectionatKewGarden.
(8)HeenjoyedspendinghoursinthegreenhousesatKew,amongthestrangeplantsfrom
SoutheastAsia.
Thefirst“TeaRoses^^fromChinacameinawidevarietyofpinktones,anditwasJoseph
BankswhointroducedthemtoEnglandattheendoftheeighteenthcentury.
(10)Asarewardforhiscontributiontobotany,JosephBankshadaflowernamedafterhim.
Step3Homework
Prepareforthenextlesson:pre-readthepicturesonPage169WORKBOOKanddothefirst
twoexercisesafterclass.
Unit3-4Phrases
1一位有经验的导游anexperiencedtourguide2由….组成bemadeupof
3弥补;补偿;编造;化妆makeup4被…包围besurroundedby
5代表...standfor.../represent6澳大利亚同胞fellowAustralians
7.美国独立战争theAmericanWarofIndependence8一个独立的国家anindependent
country
9公民权civilrights10一个多元化社会adiverse
society
11对...有影响haveinfluenceon/uponhaveaneffecton/upon
12社会和经济动荡socialandeconomicunrest13遭受...suffer
14经济大萧条theGreatDepression15从…中受益benefitform...
16改变转变..transfbrm…into…/change…into.,17对…的看法one'sattitudeto/
towards
18提高..的居住条件...improveone'slivingcondition19不同于…differ...from/be
differentfrom
20.喜爱…befbndof…21踏上…setfboton…
22以...为主食...feedon..23生.…;产生...givebirthto
24使…在外…keepout…25使集合在一起roundup
26一年四季alltheyearround27与…分享share,sthwithsb
28在周末at/onweekends29在周日onweekdays
30实现;成真etrue31爆发breakout
32.脱离;放弃;革除breakawayfrom33.下蛋layeggs
34闯入;破门而入breakinto35以逻辑顺序inalogicalorder
36因此;作为…结果asaconsequence/asaresult/inconsequence
37由于…asaconsequenceof?asaresultof/inconsequenceof/dueto/owingto/becauseof..
38通过法律来加强权利passlawstostrengthentherights
39官方语言theofficiallanguage40语言障碍languagebarrier
41中号mediumsize42台湾海峡TaiwanStraits
43去野营/冲浪/潜水/远足gocamping/surfing/diving/hiking
44被...分开beseparatedfrom45和…相连beconnectedto
46澳大利亚联邦
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