以下哪些内容不应包含在项目定义文件(项目章程和范围说明书)中()
A.项目目标
B.可交付成果
C.资源要求
D.成功关键因素
参考答案:C
Fully __________ in looking after three children at home, she no longer has time to enjoy the various activities in the club.
A.occupied
B.contributed
C.attached
D.devoted
某设备目前的实际价值8000元,预计残值800元,第一年的设备运行成本为600元,假设设备的年劣化值为200元(年均等),则该设备的经济寿命是()年。
A.8.5
B.7.5
C.6.5
D.5.5