科技英语阅读习题答案汇总.doc

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1、33.Directions:Reorderthedisorderedpartsofasentencetomakeacompletesentence.1)Facebookallowsanyonewhodeclaresthemselvestobeaged13oroldertobecomeamemberofthewebsite.2)Thewebsite'smembershipwasinitiallylimitedbythefounderstoHarvardstudents,butwasexpandedtoothercollegesintheBostonarea,theIvyLeague,

2、andStanfordUniversity.3)Facebooklaterexpandedmembershipeligibilitytoemployeesofseveralcompanies,includingAppleInc.andMicrosoft.4)ThemediaoftencomparesFacebooktoMySpace,butonesignificantdifferencebetweenthetwowebsitesisthelevelofcustomization.5)ThepatentmayencourageFacebooktopursueactionagainst

3、websitesthatviolatethepatent,whichmaypotentiallyincludewebsitessuchasTwitter.4.Directions:Changethefollowingsentencesintonominalizedones.1)Networksecurityhasbecomeamajorconcernfororganizationsandindividuals.2)Forthesereasons,makinganoperatingsystemreadyandavailableishelpful.3)Thesecuritypolicy

4、developmentprocessmayalsoinvolvetheidentificationofprotection.4)Rather,itisabriefdescriptionofanumberofimportantproductfeatures,suchastheinputmethod,networkconnectivity,operatingsystem,anddatabasecapabilities.5)Whileformulatingtheinterviewplan,designersshouldworkcloselywithprojectstakeholdersw

5、hohaveaccesstousers.Unit43.Directions:1)Giventhatrobotsgenerallylackmuscles,theycan'trelyonmusclememory(thetrickthatallowsourbodiestobecomefamiliarovertimewithmovementssuchaswalkingorbreathing)tohelpthemmoreeasilycompleterepetitivetasks.2)Forautonomousrobots,thiscanbeabitofaproblem,sincetheyma

6、yhavetoaccommodatechangingterraininrealtimeorriskgettingstuckorlosingtheirbalance.3)Onewayaroundthisistocreatearobotthatcanprocessinformationfromavarietyofsensorspositionednearits“legs”andidentifydifferentpatternsasitmoves,ateamofresearchersreportSundayinNaturePhysics.4)Somescientistsrelyonsma

7、llneuralcircuitscalled"centralpatterngenerators"(CPG)tocreatewalkingrobotsthatareawareoftheirsurroundings.5)BernsteinCenterforComputationalNeuroscienceresearcherPoramateManoonpongandMaxPlanckInstituteforDynamicsandSelf-Organizationresea