单选题：ItcanbelearnedfromthepassagethatoilexploitationbeneathANWR's

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题目内容：

ItcanbelearnedfromthepassagethatoilexploitationbeneathANWR'sfrozenearth__________. A．remainsacontroversialissue
B．isexpectedtogetunderwaysoon
C．involvesalotoftechnologicalproblems
D．willenabletheU.S.tobeoilindependent

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ItcanbeinferredfromParagraph5thatDNAfingerprinting__

ItcanbeinferredfromParagraph5thatDNAfingerprinting__ A．iscostlytothepolice B．co

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"Theconsequences"inthelastparagraphresultfrompeople_________

"Theconsequences"inthelastparagraphresultfrompeople__________. A．reducingtheirw

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MostAmericandriversthinkitconvenientto

MostAmericandriversthinkitconvenientto A．reducetrafficjams B．drivearound C．goby

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ThedifferencebetweenSARSandEbolavirusesliesin__________

ThedifferencebetweenSARSandEbolavirusesliesin__________ A．infectedbodyfluids B．

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TheinitialEbolaoutbreakwasfoundin__________

TheinitialEbolaoutbreakwasfoundin__________ A．infectedbodyfluids B．againsttheou

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