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新视野大学英语第4册网络(含答案)

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ethescientistsdidnothaveaclearpictureoftheir\rlocations.\r,D.Becauseitwasonlyrecentlythatthestudyofcomets\rbecameapossibility.\r14.Whatdoestheword"flybys'*(Para.5)probablymean?\rEA.Right.\r0B.Spacecraft.\r0C.Airplane.\r„D.Cores.\r15.What'stheessentialsignificanceofContour'smission?EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\rA.Helpingastronomershaveaclearerpictureofcometsthan\rbefore.\rB.Havingaclearpictureoftheirstructureandlocation.\rC.Exploringthediversityofcometsarisingatdifferentstages\roftheirlifecycle.\rD.Obtainingdatafrompastcometflybys.\rPart7ReadingComprehension(MultipleChoice)(1;15)\r!"#$%\r1.1Cc\r2.1Cc\r3.1DD\r4.1AA\r5.1/BB\r6.1/CC\r7.1/BB\r8.1CC\r9.1CC\r10.1BB\r11.1CC\r12.1/BB\r13.1DD\r14.1/AA\r15.1CC\rSubtotal:15\r&'()\rTotalscore:71\r1E`a71%

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