在信息系统的生命周期中， “对企业信息系统的需求进行深入调研和分析，形成《需求规格说明书》”是在( )阶段进行的
A
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0wing____unusualshortageofstock,thisofferismade,subjecttothegoodsbeingunsold.
_______forthefreeticket,Iwouldnothavegonetoseefilmsooften.
______hehasenoughmoneytobuythehouse,itdoesn’tmeanhe’sgoingtodoso
Fromthesociolinguisticperspective,aspeechvarietyisnomorethanadialectalvarietyofalanguage.
Itisdifficulttounderstandthiskindof_______calculation.