（一）X地区从2000年开始发展旅游业。根据经验，该地所接待的游客绝大部分来自国内的A、B、C三个城市。在制定新的旅游发展规划过程中，该地决定对来访旅游需求状况开展特别调查。其中对A城市的初步调查结果显示：A城市的居民人口为500万人。2004年，该市民中有100万人曾到国内其他地方旅游，平均每人外出旅游2次，每次外出旅游的平均停留时间为2天。在这些外出旅游者中，有20万人的出游目的地就是X地区。
A市居民前往X地区旅游的人次数占该市居民出游总人次的（ ）。
A．60%
B．50%
C．40%
D．30%
E．20%
参考答案：E
Many teenagers feel that the most important people in their lives are their friends. They believe that their family members, especially their parents, don't know them as well as their friends do. In large families, it is often for brothers and s  isters to fight with each other and then they can only go to their friends for ad vice. It is very important for teenagers to have one good friend or many friends. Even when they are not with their friends, they usually spend a lot of time talking among themselves on the phone. This communication is very important in children's growing up, because friends can discuss something difficult to say to their family members. However, pare  nts often try to choose their children's friends for them. Some parents may even stop their children fr om meeting their good friends. The question of "choice" is an interesting one. Have you ever thought of the following questions?Who choose your friends? Do you choose your friends or your friends choose you? Have you got a good friend your parents don't like? 小题1:Many teenagers think their know them better than their parents do.
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