U5RevealingnatureAJourneyofDiscovery(Startingout&Understandingideas)欽州市第四中學(xué)英語組StartingoutWhatdoyouknowabouttheseanimals?Whatmakesthemspecial?Whatothersimilaranimalsdoyouknowabout?Shareyourknowledgewiththeclass.Lookatthepagefromasciencemagazineandanswerthequestions.TheresearcherssaidtheancestoroftheKomododragonmostlikelyevolvedinAustraliaandspreadwestward,reachingtheIndonesianislandofFlores900,000yearsago.Theoldestdiscoveredfossilofthemodernplatypusdatesbacktoabout100,000yearsago.Fossilrecordsindicatethatthenautilushassurvivedrelativelyunchangedforaround500millionyears.StartingoutWatchthevideoandanswerthequestionsStartingoutWatchthevideoandanswerthequestionsHowcanseedstravel?Howcanthisbenefitplants?Plantscanhaveabetterchanceatlife.bythewindbywaterbyanimalsSeedsTraveling①byitself

2.Canyouthinkofanotherexampleofseedstravelling?②bythewind③bythewater⑤bytheanimals⑥bytheinsects④bythebirdsStartingoutWatchthevideoandanswerthequestionsWhatspeciesdoyourecogniseinthepicture?evolutionarytreeUnderstandingideasLookattheevolutionarytreeandanswerParamecium(草履蟲)earthworm(蚯蚓)snail(蝸牛)crabfishtortoisebirdalgae(藻類)fern(蕨類)moss(苔蘚)treehumanhorsestarfishfrogWhatfactorscancausetheprocessofevolution?UnderstandingideasAJourneyofDiscoveryWhomadethisdiscovery?Whatisthediscovery?Howdidhemakethediscovery?CharlesRobertDarwinThetheoryofevolution

TheOriginofSpeciesPre-readingChoosethemainideaofthepassageandgiveyourreasons.Darwin’sinterestinvariouslivingthingsmadehimagreatnaturalist.Darwin’sjourneyontheBeagleinspiredhisTheoryofEvolution.Darwinwentonajourneytoconfirmhistheorythathumanshadevolvedovertime.Pre-readingSkimthepassageandchoose.

What'sthegenreofthepassage?ExpositionArgumentationNarrationWhatWhereWhoWhyHowPre-readingAJourneyofDiscoveryDarwinQuestion:howdiddifferentspeciescometoexist?England→SouthAmericaGalapagosIslandsByship—Beagle183118351839OntheOriginofSpecies1．WhywasCharlesDarwinadisgracetohimselfandallhisfamily?A．Becausehelearnedmedicalintheschool.B．Becausehedecidedtovisitdistantcountries.C．Becausehewentforadventuresafterschool.D．Becauseheleftmedicalschoolwithnodegree.While-readingReadthepassagecarefullyandchoosethebestanswer.Itwasayoungmanwhohadleftmedicalschoolwithoutcompletinghisdegree.What’smore,hehadrecentlyreceivedaletterfromhisfatherpredictingthathewouldbe“adisgracetoyourselfandallyourfamily”2．What'sDarwin'sfavouritesubject?A．Longdistancejourney.

B．Livingthings.C．Medicaldegree.

D．Naturalenvironment.While-readingReadthepassagecarefullyandchoosethebestanswer.Theyoungmaninquestion,CharlesDarwin,wasageologistandnaturalist,fascinatedbyrocks,plantsandanimals3．WhatdidDarwindiscoverfirst?A．Allspeciesappearedatthesametime.B．Allspecieshadneverchanged.C．Somespecieswereverysimilar.D．Theevidenceforchangingenvironments.While-readingReadthepassagecarefullyandchoosethebestanswer.Theyoungmaninquestion,CharlesDarwin,wasageologistandnaturalist,fascinatedbyrocks,plantsandanimals4．Manyfactorsaffecttheevolutionexcept________.A．tools B．a(chǎn)ncestor

C．environment

D．food5．HowdidthepeoplethenreacttoDarwin'sdiscoveryfirst?A．Respected. B．Refused.

C．Accepted. D．Believed.While-readingReadthepassagecarefullyandchoosethebestanswer.Manypeoplerefusedtobelievethatlivingthings,includinghumans,hadevolvedfromlowerformsoflifePara.1Para.2Para.3Para.4Para.5Para.6Para.7IntroductionOnhisjourneyGenerateideasLookformoreevidenceDevelopideasProposeatheoryConclusionWhile-readingReadforstructurecometoexist?Maybeanimalsevolvedastheyadaptedtotheirchangingenvironmentshadevolvedfromacommonancestor.arrivedontheislandsalongtimebeforesamplesoftheplantsandanimalsverysimilartoeachother.hadevolvedfromlowerformsoflifetherewasadifferencebetweenthefinchesoneachoftheislands.hadevolvedaccordingtowhatfoodwasavailableonthatparticularislandaskedhimselfaquestion(generatedanidea)answeredthequestion(developedanidea)1835publishedtheboo