Unit5RevealingNatureUnderstandingideas───AJourneyofDiscove
ry【LearningObjectives】在本课学习结束时，学生能够：1.熟悉自然界生物进化话题，获取课文的主旨大意；2.借
助图像和表格，分析文本结构，从而更好地理解文章标题；3.推断Darwin的优秀品质并举例论证；4.要向Darwin学习，有善于发现
，善于思考的探索精神。本课时课标词汇：distantdisgracegeologistsampleevolveF
inchbeaksuspectancestorevolution【LearningProcedures】A
ctivity1.Listentothetextandchoosethemainideaofthepas
sageonP52.Meanwhile,answerthefollowingquestion:Thepassa
geisorganizedbyorderof________.Activity2.Readthepassage
partbypartandanswerthequestions.1.Readthefirstparagra
phandanswerthefollowingquestion.WhatwereDarwin''slabels？_
_____________________________________________________________Rea
dtheparagraphs2-6andcompletethepuzzlepiecesonP52inthe
textbook.3.Readtheparagraph6-7andanswerthefollowingque
stion.What''stheinfluenceofDarwin''sexperience？_______________
___________________________________________________Activity3.
Shareyourunderstandingofthetitlewithgroupmembers.Activity
4.a.AfterDarwinhadspentsometimeinSouthAmerica,hisroo
montheshipwascrowdedwithsamplesoftheplantsandanimals
hehadcollected.b.Darwinsawavarietyofnewspecies,butitw
asthebirdsthatinterestedhimthemost.1.Whatgoodqualities
Darwinhasaccordingtotheabovesentences？2.Discussotherqual
itiesofDarwinbasedonwhathedid,givingevidencetosupport
yourconclusions.Eg.IthinkDarwinis___determined___,because
he___spentmanyyearsfindingoutthetheoryofevolution.__It
hinkDarwinis,becausehe.IthinkDarwinis,becausehe.Act
ivity5Listentothetextagainandcompletethefollowingpass
age.CharlesDarwinwaspromisedtoprofitfromthevisitto1.___
_____（distance）countriesyetlittleknown.2._________(attract)b
yrocks,plantsandanimals.Sohestartedajourneyontheship.
theBeagle,tostudyvariouslivingtheir3________（nature）env
ironments.Aquestioncametohismind:howdiddifferentspecies
cometoexist?Hefoundthatsomespeciesofanimalsweresimila
rtoeachother.Maybetheyevolvedastheyadapted4._________
theirchangingenvironments?Thisideainspiredhim5________(lo
ok)formoreevidence.WhentheshiparrivedontheGalapagosIsla
ndsin1835.Darwinnoticedthedifferencebetweenthefincheson
eachisland.6________seemedtheirbeakshadevolvedaccording
towhatfoodcouldbefoundonthatparticularisland.Sohebeli
evedthatnewspeciesofplantsandanimalsevolvedfromearlier
ancestors.FinallyDarwinexplainedthistheoryinhisbook,Ont
heOriginofSpecies,7________wasnotpublisheduntil1859.This
book8__________（immediate)causedastorm.Peoplewereshocked,
butDarwin''sscientificstudieswereso9________（convince）that
moreandmorepeoplebelievedhistheory.Nowadays,thebook10_
________(become)oneofthemostimportantworkseverwrittenwhi
chhaschangedideasaboutlifeonEarthforeverdied.HomeworkUnderlinethesentencesthatyouhavedifficultunderstandinganddiscussthemwithyourpartners. |
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