Teamsarerequiredformostengineeringprojects.Althoughsomesmallhardwareorsoftwareproductscanbedevelopedbyindividuals,thescaleandcomplexityofmodemsystemsissuch,andthedemandforshortschedulessogreat,thatitisnolonger___71___foronepersontodomostengineeringjobs.Systemsdevelopmentisateam___72___,andtheeffectivenessoftheteamlargelydeterminesthe___73___oftheengineering. Developmentteamsoftenbehavemuchlikebaseballorbasketballteams.Eventhoughtheymayhavemultiplespecialties,allthemembersworktoward___74___.However,onsystemsmaintenanceandenhancementteams,theengineersoftenworkrelativelyindependently,muchlikewrestlingandtrackteams.Ateamis___75__justagroupofpeoplewhohappentoworktogether.Teamworktakespracticeanditinvolvesspecialskills.Teamsrequirecommonprocesses;theyneedagreed-upongoals;andtheyneedeffectiveguidanceandleadership.Themethodsforguidingandleadingsuchteamsarewellknown,buttheyarenotobvious.
A.multiple objectives
B.different objectives
C.a single objective
D.independent objectives
正确答案是C