【单选题】No conclusion _______ about whether to tear down the old buildings for a theme park until several discussions have been made.
【单选题】在数据库设计中,用ER图来描述信息结构但不涉及信息在计算机中的表示,它是数据库设计的哪一阶段?(45)。
【单选题】No conclusion _______ about whether to tear down the old buildings for a theme park until several discussions have been held. [ ]
【多选题】如果合同的履行期限约定不明,以下说法正确的有( )。
E.
债权人可以随时要求履行,但应当归对方必要的准备时间
【多选题】如果合同的履行期限约定不明,以下说法正确的是( )
E.
债权人可以随时要求履行,但应当给对方必要的准备时间
【单选题】Several Chinese films are rising to international fame, the Brokeback Mountain(《断臂山》),______ , directed by Ang Lee has won the Oscar Awards.
【单选题】数据库设计中,用ER图描述信息结构但不涉及信息在计算机中的表示,这是数据库设计的( )。