【单选题】As for an office lady, which may be the most important factor when she pick a computer?
【多选题】本课程推荐阅读的书籍有哪些?
A.
David Besanko, David Dranove, and Mark Shanley. Economics of Strategy. John Wiley & Sons, Inc. 1996 戴维·贝赞可(等):《公司战略经济学》,北京大学出版社
E.
钱·金:《蓝海战略:超越产业竞争 开创全新市场》,商务印书馆
【单选题】Which of the following may be a density-independent factor that affects animal population?
C.
The number of predators.
D.
The variety of food supply.
【单选题】Cage-type induction motors have a very poor power factor which may be as low as 0.3-0.4 when
【多选题】下列选项中,关于混凝土运输的说法正确的是( )。
A.
混凝土运输过程中不产生分层、离析现象,保持混凝土的均匀性
B.
保证设计所规定的流动性,应使混凝土在初凝前浇筑并振捣完毕
C.
运输工作应保证混凝土浇筑工作可以间断进行,以最少的转运次数,最短的时间运至浇筑地点
D.
混凝土在运输过程中要求道路平坦,运输线路尽量短而且直
【单选题】Cage-type induction motors have a very poor power factor which may be as low as 0.3-0.4 when ____.