When should we use the expression “Nice meeting you”（）
A. When two persons meet for the first time
B. When two persons finish their meeting and are ready to leave
C. When two persons meet again
During the meeting
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下面if语句统计“成绩（mark）优秀的男生以及不及格的男生”的人数，正确的语句为（）
A. if gender==”男” and mark＜60 or mark＞=90:n+=1
B. if gender==”男” and mark＜60 and mark＞=90:n+=1
C. if gender==”男” and （mark＜60 or mark＞=90）:n+=1
D. if gender==”男” or mark＜60 or mark＞=90:n+=1
In the language of game theory, a situation in which each person must consider how others might respond to his or her own actions is called a（）
A. quantifiable situation
B. cooperative situation
C. strategic situation
D. tactical situation
The term “factor market” applies to the market for（）
A. labor
B. capital
C. land
D. All choices are correct
Which of the following statements about oligopolies is not correct（）
An oligopolistic market has only a few sellers
B. The actions of any one seller can have a large impact on the profits of all other sellers
C. Oligopolistic firms are interdependent in a way that competitive firms are not
D. Unlike monopolies and monopolistically competitive markets, oligopolies prices do not exceed their marginal revenues
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