项目管理可分为()。
A.信息项目管理
B.工程项目管理
C.安全项目管理
D.投资项目管理
参考答案:A, B, D
Mr. Declan was very angry when he found his son had _____ of his warning and went to the bar with his
friends. [ ]
A. nothing
B. neither
C. none
D. either
矿井发生突水后,必须进行不间断的水文地质观测试验与分析工作。