【判断题】对防寒工作,应提前做好准备。并按规定做好防寒劳动防护用品的配备和发放工作。
【单选题】What are the two parts of the economic problem?
A.
economics explains many things, but only things that are related directly to money.
B.
natural resources are scarce but human-made resources are not.
C.
scarcity forces us to choose and choices are costly because we must give up other opportunities that we value.
D.
we have unlimited wants and unlimited resources.
【多选题】项目经理可以由开发商自己或其高级职员来担任,也可以委托社会上专门从事此项业务的顾问公司来承担。关于项目经理说法正确的有( )。
B.
应将主要精力放在开发项目的总体管理上,而不应涉及项目任何部分的具体实施工作
C.
要有明确的管理目标,并使与项目开发的每一个成员都能对其有清楚的认识,以便更好执行
D.
通常代表开发商负责聘用专业顾问,并在开发商的指导下确定有关付费标准并签发聘书
【单选题】The real core of the economic problem is to:
A.
increase the amount of leisure time available to people.
B.
guarantee everyone on the planet a minimum level of food, shelter and clean water.
C.
allocate limited resources among competing uses.
【判断题】中国每年有近1.6万人需要进行器官移植,而供体器官大概每年有30万例左右。