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。[
第21题: [单项选择]Passage 1 Questions 26 to 29 are based on the passage you have just heard. A. 100-meter race. B. 200-meter race. C. Wrestling. D. Marathon. 参考答案:B 答案解析:[听力原文] What kind of event is held in the first Olympics
[分析] 在介绍first Olympics的比赛项目时,听力中提
第22题: [单项选择]目前常用于临床的一线抗抑郁药物是() A. TCAs B. SSRIs C. SNRIs D. NaRIs E. MAOIs 参考答案:B