MBA易错题（2019/10/8）

第1题：方程x2-2007|x|＝2008所有实数根的和等于( )。 A．2007 B．4 C．2 D．-2007 E．0

【单选题】： A     B     C     D     E

第2题： 在商务谈判中谈判者都比较注意谈判的成本、效率和效益，这表明了商务谈判的( )特点。 A．以获得经济利益为基本目的 B．以价格谈判为核心 C．以维护国家利益为基础 D．注重合同条款的严密性和准确性

【单选题】： A     B     C     D

第3题：某年级60名学生中，有30人参加合唱团，45人参加运动队，其中参加合唱团而未参加运动队的有8人，则参加运动队而未参加合唱团的有 A、15人 B、22人 C、23人 D、30人 E、37人

【单选题】： A     B     C     D

第4题：如图1所示，在梯形ABCD中，AD∥BC，AB＝DC＝AD，∠C＝60°，AE⊥BD于点E，AE＝1则梯形ABCD的高是( )。

【单选题】： A     B     C     D

第5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、substituteB、compensateC、accountD、qualify

【单选题】： A     B     C     D