north american back bears are shy animals.阅读理解答案

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1、NorthAmericanbackbearsareshyanimals.阅读理解答案　　NorthAmericanbackbearsareshyanimals.Theyarefearfulbynature,andwillusuallyrunawayiftheyseeorhearpeople.Becauseofthis,itcanbedifficultforscientiststolearnabouttheseanimals.　　Inordertostudyblackbears,researchersfromNewJersey,USA,catchbearsandusedrugsto

2、helpthemgotosleep.Researchersthenworkoutthesizeandtheweightofthebear,takebloodtotestfordiseases(疾病),removeatoothandtakeittothelabtofindoutitsage.Fromthesestudies,researcherswanttofindouthowmanybearsliveinNewJersey,howlongtheylive,andhowmanybabiestheyproduce.　　ButinMinnesota,USA,researchersstu

3、dybearsthatarecompletelyawake.Thebearsknowtheresearchers’voicesandtheyarenotafraidofdieresearchteam.Withthehelpofafewgrapestokeepthebearsbusy,researcherscantouchthemtochecktheirhearts,lookattheirteeth,anddootherjobs.Researcherscanalsowalkorsitwithbearsforhoursandmakevideostolearnabouttheireve

4、rydaylives.　　Inbothplaces,themainpurposeisthesame—tomakesurethereisahealthypopulationofblackbears.Buttheresearchmethodsandthekindsofinformationthatresearchers,areabletocollectarcquitedifferent.　　【小题1】Inthefirstparagraph,wecanlearnthatNorthAmericanblackbearsare_______.　　A.shyandfearfulanimalsB

5、.notfoundtoday　　C.wellknowntoscientistsD.notafraidofpeople　　【小题2】Theword“remove”inthesecondparagraphprobablymeans_____inChinese.　　A.拔下B.移植C.清洗D.修补　　【小题3】WhichofthefollowingmayNOTbeincludedintheNewJerseystudiesonbears　　A.Theage.B.Thewayoftheircommunication.　　C.Theweight.D.Thenumberofbabiesthey

6、produce.　　【小题4】IntheMinnesotastudies,researchers_____.　　A.cannevergetclosetothebears　　B.studythebearswhiletheyareasleep　　C.usegrapestomakethebearsfull　　D.learnalotaboutthebears’everydaylives　　【小题5】Whatdothetwostudieshaveincommon　　A.Researchplaces.B.Themainpurpose.　　C.Researchmethods.D.Collect

7、edinformation.　　】A　　【小题2】A　　【小题3】B　　【小题4】D　　【小题5】B