Teamsarerequiredformostengineeringprojects.Althoughsomesmallhardwareorsoftwareproductscanbedevelopedbyindividuals,thescaleandcomplexityofmodernsystemsissuch,andthedemandforshortschedulessogreat,thatitisnolonger(请作答此空)foronepersontodomostengineeringjobs.Systemsdevelopmentisateam(),andtheeffectivenessoftheteamlargelydeterminesthe()oftheengineering.Developmentteamsoftenbehavemuchlikebaseballorbasketballteams.Eventhoughtheymayhavemultiplespecialties,allthemembersworktoward().However,onsystemsmaintenanceandenhancementteams,theengineersoftenworkrelativelyindependently,muchlikewrestlingandtrackteams.Ateamis()justagroupofpeoplewhohappentoworktogether.Teamworktakespracticeanditinvolvesspecialskills.Teamsrequirecommonprocesses;theyneedagreed-upongoals;andtheyneedeffectiveguidanceandleadership.Themethodsforguidingandleadingsuchteamsarewellknown,buttheyarenotobvious.
A.convenient
B.existing
C.practical
D.real
正确答案是C