问题
单项选择题
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
答案
参考答案：D
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。