2019年高中英语 Module 4 Great Scientists单元检测题 外研版必修4

《2019年高中英语 Module 4 Great Scientists单元检测题 外研版必修4》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、2019年高中英语Module4GreatScientists单元检测题外研版必修4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,UniversityofLondonhavediscoveredthatbeeslearntoflytheshortestpossibleroutebetweenflowerseve

2、niftheydiscovertheflowersinadifferentorder.Beesareeffectivelysolvingthe“travelingsalesmanproblem”，andtheyarethefirstcreaturesfoundtodothis.Thetravelingsalesmanmustfindtheshortestroutethatallowshimtovisitalllocationsonhisroute.puterssolveitbyparingthelengthofallpossibleroutes

3、andchoosingtheshortest,anditcankeepputersbusyfordays.However,beessolveitwithoutputerassistanceusingabrainthesizeofgrassseed.Dr.NigelRaine,fromtheSchoolofBiologicalSciencesatRoyalHollowayexplains，“Beessolvetravelingsalesmanproblemseveryday.Theyvisitflowersatmultiplelocationsa

4、ndbecausebeesuselotsofenergytofly,theyfindaroutewhichkeepsflyingtoaminimum.”Theteamusedtheputertocontrolartificialflowerstotestwhetherbeeswouldfollowaroutedefinedbytheorderinwhichtheydiscoveredtheflowersoriftheywouldfindtheshortestroute.Afterexploringthelocationoftheflowers,

5、beesquicklylearnedtoflytheshortestroute.Aswellasimprovingourunderstandingofhowbeesmovearoundthelandscapepollinating(授粉)cropsandwildflowers，thisresearch，whichisduetobepublishedinTheAmericanNaturalist,hasotherapplications.Ourlifestylereliesonnetworkssuchastrafficontheroads,inf

6、ormationflowontheWebandbusinesssupplychains.Byunderstandinghowbeescansolvetheirproblemswithsuchatinybrain,wecanimproveourmanagementoftheseeverydaynetworkswithoutneedinglotsofputertime.Dr.Raineadds，“Despitetheirtinybrains，beesarecapableofextraordinaryfeatsofbehavior.Weneedtou

7、nderstandhowtheycansolvethetravelingsalesmanproblemwithoutaputer.”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．TinybrainedbeessolveaplexmathematicalproblemC．HowbeesdiscovertheflowersD．Howtosol

8、vethe“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