托福-听力加试-鸟类迁徙bird-migration.doc
托福机经听力加试鸟类迁徙birdmigration原文及试题答案
Conversation:termpaperofbirdmigration
ListentoaconversationbetweenastudentandhisBiologyprofessor.
S:Dr.Russell,IwashopingtodiscussmytermpaperwithyouImgettingalittlebitstuckhere.
P:Ofcourse,so...whatdoyouhavesofarWhatsyourtopic
S:Well,Iwantedtowriteaboutbirdmigration,butImhavingtroublefindingenoughsources.
P:Yourehavingtroublefindingsourcesonbirdmigration
S:No,actually,ontheparticularaspectofbirdmigrationthatIwanttowriteabout.
Thethingis,Iwantedtowritespecificallyonearlytheoriesofbirdmigration...describesomeofthetheories.LikehowAristotlethoughtthatbirdschangedintodifferentspeciesduringthewinter.Orhowothernaturaliststhoughtthatbiggerbirdscarriedsmallerbirdstowarmerspotsforthewintertime.ButIveonlygotacoupleofbookstoworkwithrightnow.
P:Hm...Ihavetoadmitthatitsaninterestingtopic,andyoucertainlyseemexcitedbyit.ButrememberItoldyoualltoaskyourselveshowyourtopicisgoingtohelpyoushowthatyoucanapplywhatyouvelearnedthissemester.AsummaryordescriptionisnotreallywhatImlookingforasmuchasyouranalysisofacertaintopic.
S:Iguessitsnotreallywhatweresupposedtodo,huh
P:Right.So,howaboutwethinkaboutsomeotherideasforyourpaper.Imeanyoudontneedtodiscardtheideacompletely...but...takeareallydifferentfocus.Um...forexample...youcouldpresentwhatyouthinkaresomereasons-therationale-behindsomeoftheerroneoustheoriesearlynaturalistshad.But,youllbesupportingyourviewswithcurrentresearch;thosearethesourcesyoullneedtoseekout.
S:Ok,IthinkIseewhatyouresaying.So,liketoday...todayweknowthatlotsofsmallbirdsmigrateatnight,butmaybe`causepeopledidntseethem-didntseethesmallbirdsmigrating-theyonlysawbiggerbirds,likegeesemigratingduringtheday.Theythoughtthatthe