【单选题】从理论上讲,就业是指具有劳动能力和技能的人,运用生产资料从事合法的社会劳动,并获得相应的劳动报酬或经营收入的()。
【单选题】计算机语言可分为高级语言,机器语言和( )
【判断题】网络通信协议的三要素是位、帧和分组。( )
【简答题】定量分析是通过数学模型计算分析最优的配送位置,配送中心的选址因为选址范围和选址数量不同,计算的数学模型也不同,如多配送中心向多客户配送选用鲍摩—瓦尔夫模型,单一配送中心向多客户配送及单一配送中心向单一客户配送采用重心法模型。请你阐述重心法模型及其求解方式。
【单选题】Why couldn't Nancy's mother treat her as a adult?
A.
Because Nancy worried about the environmental pollution.
B.
Because Nancy didn't understand her mother.
C.
Because Nancy threw her clothes on the floor.
【判断题】每天对铣床进行加油润滑,是铣床日常保养的重要内容,而主轴箱的加油工作则由润滑工负责。
【单选题】—Nancy, here is your book. — _____. [ ]
【单选题】听力原文:M:I can't understand why Nancy isn't here yet.We agreed to meet at 11:30.It's almost 12:00.Do you think we should try to go to call her or look for her? W:She is prodably getting tied in the traf...
A.
They will check the traffic light.
B.
They will wait for a little longer.
D.
They will check the time of high tide.