【单选题】下列论述中正确的是 Ⅰ.软件系统中所有的信息流都可以认为是变换流 Ⅱ.软件系统中所有的信息流都可以认为是事务流 Ⅲ.事务分析和变换分析的设计步骤基本类似
【单选题】The message is clear: Just as tea and banana can't go together, ______ should the son of a low class family expect to marry the daughter of a nobleman.
【单选题】如图将四边形AEFG变换到四边形ABCD,其中E、G分别是AB、AD的中点,下列叙述不正确的是( )
【单选题】Don't ______ to ask me if anything is not clear to you.