单选题 It seems to me that the Americans are a highly ______ people. Most of them like to travel whenever they get the chance.
  • A. civilized
  • B. luxury
  • C. ambitious
  • D. mobile
【正确答案】 D
【答案解析】[解析] civilized“文明的”；luxury“奢侈的；豪华的”；ambitious“有雄心的，有抱负的；热望的”；mobile“流动的；运动的”，根据题意Most of them like to travel whenever they get the chance，应选D。