Greatsceentists本试卷分第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分，共150分。考试时间120分钟。第Ⅰ卷(选择题)第一部分听力第二部分阅读理解(共两节，满分40分)第一节(共15小题；每小题2分，满分30分)阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。AScientistsatRoyalHolloway,UniversityofLondonandQueenMary,UniversityofLondonhavediscoveredthatbeeslearntoflytheshortestpossibleroutebetweenflowerseveniftheydiscovertheflowersinadifferentorder.Beesareeffectivelysolvingthe“travelingsalesmanproblem”，andtheyarethefirstcreaturesfoundtodothis.Thetravelingsalesmanmustfindtheshortestroutethatallowshimtovisitalllocationsonhisroute.Computerssolveitbycomparingthelengthofallpossibleroutesandchoosingtheshortest,anditcankeepcomputersbusyfordays.However,beessolveitwithoutcomputerassistanceusingabrainthesizeofgrassseed.Dr.NigelRaine,fromtheSchoolofBiologicalSciencesatRoyalHollowayexplains，“Beessolvetravelingsalesmanproblemseveryday.Theyvisitflowersatmultiplelocationsandbecausebeesuselotsofenergytofly,theyfindaroutewhichkeepsflyingtoaminimum.”Theteamusedthecomputertocontrolartificialflowerstotestwhetherbeeswouldfollowaroutedefinedbytheorderinwhichtheydiscoveredtheflowersoriftheywouldfindtheshortestroute.Afterexploringthelocationoftheflowers,beesquicklylearnedtoflytheshortestroute.Aswellasimprovingourunderstandingofhowbeesmovearoundthelandscapepollinating(授粉)cropsandwildflowers，thisresearch，whichisduetobepublishedinTheAmericanNaturalist,hasotherapplications.Ourlifestylereliesonnetworkssuchastrafficontheroads,informationflowontheWebandbusinesssupplychains.Byunderstandinghowbeescansolvetheirproblemswithsuchatinybrain,wecanimproveourmanagementoftheseeverydaynetworkswithoutneedinglotsofcomputertime.Dr.Raineadds，“Despitetheirtinybrains，beesarecapableofextraordinaryfeatsofbehavior.Weneedtounderstandhowtheycansolvethetravelingsalesmanproblemwithoutacomputer.”语篇解读：英国的科学家发现，蜜蜂在花丛中飞行时，总是能够找到最近的路线，这个“销售员旅行难题”即使用电脑也需要好几天才能解决。21．Whatwouldbethebesttitleofthepassage?A．BeeshelpsalesmentravelB．TinybrainedbeessolveacomplexmathematicalproblemC．HowbeesdiscovertheflowersD．Howtosolvethe“travelingsalesmanproblem”答案：B主旨大意题。“销售员旅行难题”用计算机也需要好几天才能解决，而蜜蜂毫不费力地就能在花丛中找到最近的飞行路线，故B项“具有微小大脑的蜜蜂解决复杂的数学难题”作为文章的标题最贴切。22．Wemayinferfromthesecondparagraphthatthe“travelingsalesmanproblem”________．A．canbesolvedbyacomputereasilyB．can'tevenhesolvedbyacomputerC．canpuzzlebothpeopleandcomputersD．remainstobesolvedbyscientists答案：C细节理解题。根据第二段可知，销售员在出发之前必须找到合适的路线，这个“销售员旅行难题”即使用电脑也需要好几天才能解决。23．Themainpurposeofthelastparagraphisto________A．providefurtherprooffortheresearchB．tellushowbeescanflytheshortestroutebetweenflowersC．tellushowtheresearchaboutbees'flyingroutewasconductedD．explaintheimportanceoftheresearch答案：D推理判断题。最后一段说明了蜜蜂飞行路线研究的意义和目的，是为了帮助我们在实际生活中更好地节省时间和精力。24．Itcanbeconcludedfromthepassagethat________.A．allcreaturesaresmarterthancomputersB．theresearchaboutbees'flyingroutecanbeappliedtomanyfieldsC．ournetworksaremorecomplexthanbees'onesD．withthehelpofthecomputerwecanfindouthowbeescansolvethe“travelingsalesmanproblem”答案：B推理判断题...
