托福-听力加试-鸟类迁徙bird-migration

托福机经听力加试鸟类迁徙bird migration原文及试题答案Conversation termpaper of bird migrationListento aconversation betweena studentand hisBiology professor.S:Dr.Russell,■was hopingto discussmy termpaper withyou Imgettinga littlebit stuckhere.P:Of course,so...what doyou haveso farWhafs yourtopicS:Well,I wantedto writeabout birdmigration,but lvmhaving troublefindingenough sources.P:Youre havingtrouble findingsources on bird migrationS:No,actually,on theparticular aspectofbirdmigration thatI wanttowrite about.The thingis,I wantedto writespecifically onearly theoriesof birdmigration...describe someof thetheories.Like howAristotle thoughtthatbirds changedinto differentspecies during the winter.Or howothernaturalists thoughtthat biggerbirds carriedsmaller birds to warmerspotsfor thewintertime.But Tveonly gota coupleof booksto workwith rightnow.P:Hm...l haveto admitthat itvsan interestingtopic,and youcertainlyseem excitedby it.But rememberI toldyou allto askyourselves howyourtopic isgoing tohelp youshow thatyou canapply what youve learnedthissemester.A summary or descriptionis notreally what Im lookingfor asmuchas youranalysis ofa certaintopic.S:I guessits notreally whatwefre supposedto do,huhP:Right.So,how aboutwe thinkabout someother ideasfor yourpaper.I meanyou donftneed todiscard theidea completely...but...take areallydifferent focus.Um...for example...you couldpresent whatyou thinkaresome reasons-the rationale-behind someof theerroneous theoriesearlynaturalists had.But,youll besupporting yourviews withcurrent research;those are the sourcesyoull needto seekout.S:Ok,I thinkI seewhat youfresaying.So,like today...today weknowthat lotsof small birds migrateat night,but maybecause peopledidnt seethem-didn^see thesmallbirdsmigrating-they onlysaw biggerbirds,likegeese migratingduringtheday.They thoughtthat thebig birdswerecarrying thesmall onesunder theirwings.P:There yougo!Thafs exactlywhatI mean.Youfre showingthat yourethinkingabout thetopic,not justtelling mewhatyouread.S:Ok,I alsohave areally coolexample ofa migratorybird thatId liketodiscuss inmy paper.Itvs the Common Poorwill-Imeanit seemsthat someOrnithologistsbelieve thattheCommonPoorwill reallydoes hibernateinsteadof migrating-that itfsmaybe theonly birdthat does.P:If Iwere you,I wouldstick justwith migrationresearch.Remember,this isonly a15-page paper.S:Ok,I seeyour point.P:But itsgreat thatyoure findingthis allso interesting.I wantyou tocomeback tosee mein aweek sowe cantake alook atthe newdirection inyourpaper andevaluate thesources youvefound inthe meantime.中文大意Male Student老师，我想跟你讨论一下我的学期论文我卡住了，找不到这方面足够的数据）Female ProfessorYou cant findenough sources on birdmigration（语调上扬最后一题，重听题的考点）Male StudentI wantedto writeon theoriesearly birdmigration.关于Aristotle对于这个题目的看法等等Female Professor哦你确实找到了一个好的题目，但是你要知道我的要求〜是你们的论文要反映你们这学期学了什么不要只是做summaryordescription,我想要看到你的special analysisoMale Student我想，总结和描述是不够的Female Professor没错，不如我们想想其他的方向其实你不需要完全放弃discard之前找的数据，你可以换种想法，用rational的方式可以写现在的新研究（current research）如何支持（support）或者驳斥以前的（historically）old theoryMale Student我想可以写bird migrateat nighto以前人们大多只看到大鸟，所以认为小鸟在大鸟的翅膀下迁徙什么的，其实新发现是，因为小鸟在夜间迁徙，人们看不到通过说这个topic来验证自己理解了老师的意图change thetopic fromancientto recentFemale Professor对，这正是我说的，你要展示你对这个主题的想法，而不是你读了哪些数据Male StudentI wantto writeabout thebirds thatdo notmigrate.Theyhibernate duringwinter.Female Professor如果我是你，我就不会在一份15页的论文中写这么多MaleStudent我知道败的意思了FemaleProfessor希望你一周内再来找我，看看论文的新的方向newdirection进行得如何MaleStudent好的,谢谢题目问题一Why does the studentgo tosee the professor答案C hecannot findenough materialin writinghis paper.问题二How doestheprofessorhelp the student答案A建议学生改变论文方向问题三What informationwill theman probablyinclude inhis paperchoosetwo answers答案B analysisD focuson onetopic问题四Why doesthestudent提到birds migrateat night答案A通过说这个topic来验证自己理解了老师的意图he understandswhatthe teachersaid.问题五Listen againto partof theconversation.Then answerthequestion.S:Well,I wantedto writeabout birdmigration,but Imhaving troublefindingenough sources.P:Youre havingtrouble findingsourcesonbird migrationWhatdoestheprofessor implywhen shesays this:Youre havingtroublefinding sourcesonbirdmigration...”答案（B）教授认为找资料很容易背景知识补充这篇听力内容，虽然是一般教授与同学讨论论文内容的长对话，不过值得注意的是，动物迁徒，包括动物、鸟类、昆虫、甚至鱼类等，生物对栖息地迁徒相关内容，一直不断出现在新托福iBT考题中，无论在听、说、读、写都曾出现相关考题，因此备考新托福的同学，应该对动物迁徒有一定的认识相关文章Migration BirdsKnow NoBoundaries（鸟类迁徙无边界）“The migrationof birdsis oneof themost fascinatingand leastunderstoodevents innature.Arctic ternsarethechampions oflong-distance migration.They fly（）about11,000miles17,700kilometers fromtheir breedinggrounds intheArctic totheir winterhome inthe Antarctic.Why birdsmigrate（为什么鸟类迁徙）In manyparts ofthe world,the foodsthat birdseat becomescarceduring certainseasons ofthe year.Most birdswould starveif theyhad toremainin suchplaces throughthe unfavorableseason.Although birdsmigrate tosurvive,the factorsthat actuallytrigger theirmigrationsare muchmore difficultto explain.For example,many northernspeciesleave theirsummer homewhile theweather isstill warmand thefoodsupply plentiful.,,Bird migrationsare probablyregulated by the glandularsystem.Theglands producechemical substancescalled hormones.Changes inhormone productionstimulate thebirdstomigrate.Amongsome northernspecies,hormone productionis affectedbythelength ofdaylight.As thedaylight hoursshorten,hormonal changescause thebirdsto preparefor theirmigratory flightsouth.。