托福听力TPO30原题答案解析Lecture2paleontology.doc

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1、今天，环球托福为大家带来了托福听力TPO30原题答案解析Lecture2paleontology，大家可以配合托福听力TPO30原题答案解析Lecture1一起来读学习。以提高学习效率，环球托福祝你早日成功！托福听力TPO30原题Whatdoestheprofessormainlydiscuss?A.HowtheparentingbehaviorofOviraptorsmayhavedifferedfromthatofotherdinosaursB.Evidencethatparentingbehaviorinbirdsmayhaveori

2、ginatedwithdinosaursC.Physicaltraitssharedbydinosaurs,crocodiles,andbirdsD.Thechangingattitudesofthepublictowarddinosaurs答案：B解析：Wewillbelookingatdinosaursparentingbehavior.与这个TopicSentence相关的只有B项。Whatistheprofessor'sattitudetowardthename"Obiraptor"?Clickon2answers.A.Itaccu

3、ratelyrepresentsthebehaviorofthedinosaurB.ItresultedfromanincorrecttranslationoftheoriginalLatintermC.ItwasbasedonamisunderstandingofthefossilevidenceD.Itinfluencedpopularattitudestowarddinosaurs答案：CD解析：Heassumedthedinosaurwasstealingtheeggs......Leavegenerallynegativeinfl

4、uenceonsuchdinosaurs......theoviraptorwasprobablytakingcareoftheeggs.Accordingtotheprofessor,whatbehaviorisveryrareamongreptiles?A.ParentingoftheyoungbymalesB.LayingeggsinanestC.ReturningtothesamenestsiteyearafteryearD.Stealingeggsfromthenestsofotherreptiles答案：A解析：Well,exc

5、lusivecarebythemaleparentismuchlesscommon,butitdoseoccur......malescontributetoparentalcareinfewerthan5%......Itisevenlessfrequentonreptiles.说明有父亲看护孩子很少见。Whatdoestheprofessorimplyaboutcrocodiles?A.Theyprovidefewercluesaboutdinosaurnestingbehaviorthanbirdsdo.B.Theysharemany

6、behavioralcharacteristicwithbirdsliketheostrichandkiwi.C.Theyhavelargerclutchvolumesthanmostdinosaurshad.D.Thefemaleandthemaleworktogethertoguardtheirnest.答案：A解析：教授推测鸟类的行为是源于恐龙，而鳄鱼是只有females看护巢穴，所以鸟类与恐龙相似之处更多。Whatisthefunctionofthespongytissueinthebonesofafemalebird?A.Inma

7、kesthebirdmorecomfortablewhilesittingonhereggsforlongperiodsoftime.B.Inenablesfemalebirdstolaymoreeggs.C.Itstrengthensthebird'sbonesjustbeforeshelayshereggs.D.Itservesasasourceofcalciumforeggshells.答案：D解析：Thisspongytissuesservesasasourceofcalciumforeggshellformation.Whatdi

8、dresearchersconcludeafteranalyzingfossilizeddinosaurbonesfoundnearnests?A.Manydinosaursdi