问题
单项选择题
在下列关于市场集中度的表述中，不正确的是( )。
A．市场集中度是反映特定市场的集中程度的指标
B．市场集中度这一指标是买卖双方绝对规模结构的指标
C．市场集中度分为买方集中度和卖方集中度
D．行业集中度、洛伦兹曲线、基尼系数都是市场集中度的衡量指标
答案
参考答案：B
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在下列关于市场集中度的表述中，不正确的是( )。
A．市场集中度是反映特定市场的集中程度的指标
B．市场集中度这一指标是买卖双方绝对规模结构的指标
C．市场集中度分为买方集中度和卖方集中度
D．行业集中度、洛伦兹曲线、基尼系数都是市场集中度的衡量指标
参考答案：B
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| On receiving my learner driver license a couple of months ago, I started driving lessons straight away. In New Zealand, the 1 driving age is 15. However it wasn't 2 two days ago that Dad finally allowed me to drive on the motorway. Our 3 was Urawa, a seaside town about 60 kilometers away from my home in Auckland. That morning I 4 sure I had enough to drink and went to the toilet (厕所) about three times 5 we left. I thought I was totally 6 for the journey, but nothing could have prepared me for my family's 7 . "Relax! Don't hold the steering wheel (方向盘) so 8 . The car is going zigzag (弯弯曲曲的), called a nervous voice from the 9 . "Speed up. 70km/h isn't fast enough. You are holding up the traffic," another voice ordered from the seat next to mine. How 10 ! My parents were really starting to get on my nerves. To satisfy them I sped up and within a second, an angry voice began to yell again. "Stop! 11 ! Are you crazy? " Everything did not go fine until I pulled off the motorway and drove into the city, 12 the speed limit was only 50km/h. My family seemed relieved (放心的) and 13 telling me what to do. They all looked out of the windows and enjoyed the scenery. 14 , that silence didn't last very long. My mum suddenly cried out, "Look at those birds above us. 15 they lovely?" How did she expect me to look up in the 16 ? As the driver I had to 17 . Who knows what would have happened if I had taken my eyes off the 18 ? Four hours later we drove home. This time the journey was much 19 than before as everyone else 20 fast asleep. So, I just took my time and enjoyed the drive. | |||
| ( )1. A. oldest ( )2. A. until ( )3. A. destination ( )4. A. thought ( )5. A. when ( )6. A. disappointed ( )7. A. praises ( )8. A. tightly ( )9. A. front seat ( )10. A. interesting ( )11. A. Get out ( )12. A. where ( )13. A. began ( )14. A. Luckily ( )15. A. Can't ( )16. A. air ( )17. A. see ( )18. A. bird ( )19. A. easier ( )20. A. felt | B. youngest B. unless B. home B. decided B. since B. prepared B. encouragements B. lightly B. back seat B. moving B. Move on B. while B. stopped B. Probably B. Don't B. water B. concentrate B. dog B. flatter B. began | C. best C. after C. city C. kept C. before C. excited C. complaints C. loosely C. top seat C. puzzling C. Slow down C. which C. continued C, Warmly C. Aren't C. ground C. check C. road C. harder C. fell | D. worst D. when D. aim D. made D. as D. upset D. cries D. happily D. empty seat D. annoying D. Speed up D. why D. forgot D. Sadly D. Won't D. woods D. care D. car D. lower D. kept |