加涅的的结果分类理论认为,学校中最基本、最普遍的教育内容是()
A.言语信息
B.智慧技能
C.认知策略
D.态度
参考答案:B
________left before the deadline, it doesn't seem likely that John will finish the job.
A.Though such a short time
B.Because such a short time
C.With such a short time
D.As such a short time
一个IP地址由网络地址和( )两部分组成。
A.广播地址
B.多址地址
C.主机地址
D.子网掩码