托福听力tpo51 两篇对话精析.pdf

托福听力tpo51两篇对话精析

Conversation11

原文1

题目3

答案5

译文5

Conversation27

原文7

题目9

答案10

译文11

Conversation1

原文

NARRATOR:Listentopartofaconversationbetweenastudentandherbiology

professor.

MALEPROFESSOR:Sotheassignmentistoreproduceoneoftheanimalcamouflage

experimentswereadaboutinourtextbook.Whichexperimentdidyoupick?

FEMALESTUDENT:Well...IwaswonderingifIcouldtrytoreproduceanexperiment

thatskindatheoppositeofwhatwasdiscussedinthetextbook?

MALEPROFESSOR:So,insteadofhowandwhyananimalmighthideitself,youwant

todosomethingaboutwhyananimalmightwanttobeseen?Hmmm.Tellmemore.

FEMALESTUDENT:Well,Igottheideafromoneofthejournalsyousaidweshould

lookat…itsanexperimentabout,um,theycalledthemeyespotsinthearticle?

MALEPROFESSOR:Eyespots,sure,thepatternsonthewingsofmothsandbutterflies

thataregenerallybelievedtoscareoffpredatorsbecausetheylooklikebigeyes.

FEMALESTUDENT:Yeah,exceptthearticlewasaboutanexperimentthatdisputes

thattheory.

MALEPROFESSOR:Well,weknowthatthemarkingsdoscarethebirds,buttheidea

thatthespotslooklikeeyesis,wellthatsjustacommonlyheldbelief.

FEMALESTUDENT:So—thatsnotevenbasedonresearch?

MALEPROFESSOR:Well,thiswholeideaofmothorbutterflymarkingsbeingscary

becausetheylooklikeeyesrestsonhowweimaginethattheirpredators—likebirds

—perceivethemarkings.Andwecanneverreallyknowthat.Allwecandois

observebirdbehavior.Buttellmemoreabouttheexperiment.

FEMALESTUDENT:OK,sotheexperimentlookedattheshapesofthemarkingson

mothwings.Theresearcherswantedtoknowifthemarkingsthatwereroundor

eye-shapedweremoreeffectiveatdeterringpredatorsthansquareorrectangular

markings.

MALEPROFESSOR:OK…

FEMALESTUDENT:Yeah.So,theyattachedfood