MBA易错题（2019/3/21）

第1题： Of the four numbers represented on the number line above is r closest to zero (1)q=-s (2)-t ＜q

【单选题】： A     B     C     D

第2题：It is just one example of the growing concern over the increasing power consumption and environmental impact of computers. A、study found that the power consumption of data centers doubled between 2000 and 2005, and now accounts for 1.2% ofAmerican electricity consumption, though other estimates put the figure at 4%.Companies now spend as much as 10% of their technology budgets on energy, says Rakesh Kumar of Gartner, a consultancy. Power consumption has increased because of the rise of the internet, of course, but also because of way in which computers have historically been designed: to maximize performance at all costs.Between 1996 and 2006, the number of servers in use went from 6 million to 28 million and the average power consumption of each server grew from 150 watts to 400 watts.But things are now starting to change and the computer industry has been seized with enthusiasm for "green computing".

【分析题】：

第3题：从甲地到乙地，水路比公路近40公里．上午10时，一艘轮船从甲地驶往乙地，下午1时，一辆汽车从甲地开往乙地，最后船、车同时到达乙地．若汽车的速度是每小时40公里，轮船的速度是汽车的[*]，则甲、乙两地的公路长为()． A．320公里 B、300公里 C、280公里 D．260公里 E、240公里

【单选题】： A     B     C     D     E

第4题：The invention of both labor-saving tools and tools of intelligence is rarely accidental. Instead, it is usually the product of human need; (21) is truly the mother of invention. People usually devise tools to (22) for natural deficiencies. For example, people invented weapons to defend (23) from physically superior (24) .But (25) is only one incentive for inventions. People also invent (26) tools to (27) certain established tasks more efficiently. For instance, people developed the bow and arrow from the (28) spear or javelin in order to shoot (29) and strike with greater strength. (30) civilizations developed, greater work efficiency came to be demanded, and (31) tools became more (32) .A、tool would (33) a function until it proved (34) in meeting human needs, at which point an improvement would be made. One impetus for invention has always been the (35) for speed and high-quality results--provided they are achieved (36) reasonable costs. Stone pebbles were sufficient to account for small quantities of possessions, (37) they were not efficient enough for performing sophisticated mathematics. However, beads arranged systematically evolved into the abacus. The (38) of this tool can be (39) to the development of commerce in theEast around 3000B、C、, and the abacus is known (40) by the ancientBabylonians,Egyptians,Chinese, etC、 A、withB、inC、for D、at

【单选题】： A     B     C     D

第5题： 某企业只生产和销售一种产品，计划本年实现利润200000元，计划销售产品100000件。该种产品销售单价15元，单位变动成本10元，则该企业的固定成本不得超过( )元。 A．500000 B．400000 C．300000 D．200000

【单选题】： A     B     C     D