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1、33.Directions:Reorderthedisorderedpartsofasentencetomakeacompletesentence.1)Facebookallowsanyonewhodeclaresthemselvestobeaged13oroldertobecomeamemberofthewebsite.2)Thewebsite'smembershipwasinitiallylimitedbythefounderstoHarvardstudents,butwasexpandedtoothercollegesintheBostonar
2、ea,theIvyLeague,andStanfordUniversity.3)Facebooklaterexpandedmembershipeligibilitytoemployeesofseveralcompanies,includingAppleInc.andMicrosoft.4)ThemediaoftencomparesFacebooktoMySpace,butonesignificantdifferencebetweenthetwowebsitesisthelevelofcustomization.5)Thepatentmayencour
3、ageFacebooktopursueactionagainstwebsitesthatviolatethepatent,whichmaypotentiallyincludewebsitessuchasTwitter.4.Directions:Changethefollowingsentencesintonominalizedones.1)Networksecurityhasbecomeamajorconcernfororganizationsandindividuals.2)Forthesereasons,makinganoperatingsyst
4、emreadyandavailableishelpful.3)Thesecuritypolicydevelopmentprocessmayalsoinvolvetheidentificationofprotection.4)Rather,itisabriefdescriptionofanumberofimportantproductfeatures,suchastheinputmethod,networkconnectivity,operatingsystem,anddatabasecapabilities.5)Whileformulatingthe
5、interviewplan,designersshouldworkcloselywithprojectstakeholderswhohaveaccesstousers.8Unit43.Directions:1)Giventhatrobotsgenerallylackmuscles,theycan'trelyonmusclememory(thetrickthatallowsourbodiestobecomefamiliarovertimewithmovementssuchaswalkingorbreathing)tohelpthemmoreeasily
6、completerepetitivetasks.2)Forautonomousrobots,thiscanbeabitofaproblem,sincetheymayhavetoaccommodatechangingterraininrealtimeorriskgettingstuckorlosingtheirbalance.3)Onewayaroundthisistocreatearobotthatcanprocessinformationfromavarietyofsensorspositionednearits“legs”andidentifyd
7、ifferentpatternsasitmoves,ateamofresearchersreportSundayinNaturePhysics.4)Somescientistsrelyonsmallneuralcircuitscalled"centralpatterngenerators"(CPG)tocreatewalkingrobotsthatareawareoftheirsurroundings.5)BernsteinCenterforComputationalNeuroscienceresearcherPoramateManoonpongan
8、dMaxPlanckInstituteforDynamicsandSelf-Organizationrese
