定性需求预测方法
参考答案:
又称主观需求预测方法,它结合决策者所处的环境、情绪、个人经验和价值系统等因素进行预测。
_____ for his mistake, the little boy could not but _____to his teacher that he was wrong.
A.Blaming; to admit
B.Blamed; admit
C.To blame; admitted
D.To be blamed; admitting
异步传输模式ATM,就是建立在电路交换和()的基础上的一种新的交换技术。
A.信息交换
B.控制交换
C.分组交换
D.介质交换