【单选题】Very often, people who miss chances to act on a goal attribute the failure to______.
A.
being busy and having no time
B.
setting too difficult goals
C.
getting no notice from others
D.
hoping for better chances
【单选题】Clearly, some people choose to act selfishly and in ______ ways despite the pain their actions will bring to others.
【简答题】何谓砂率?何谓合理砂率?影响合理砂率的主要因素是什么?
【判断题】在项目管理过程中,项目管理者并不对资源的调配负责,而是通过各个职能部门调配并使用资源,但最后决定什么样的资源可以调拨,取决于职能经理。
【简答题】配制混凝土时为什么应选用合理砂率(最优砂率)?影响合理砂率的因素有哪些?
【单选题】楼地面隔离层的作用是两个,一个是防水防潮,一个是()。