第25题: [单项选择]What can we learn from the passage A. Americans know a lot about international affairs. B. Friendships among Americans tend to be more formal. C. Americans always seem to be on the move. D. Americans like to cooperate with other people. 参考答案:C 答案解析:[解析] 事实细节题。根据第二段首句“Because the United States... people always seem to be on the so,”可知,美国人似乎总是在流动中。[