What would you do if you had $5, but were limited to two hours to make as much money as possible? Buy a lottery ticket. While this is the most 1suggestion from people, it means a significant risk in return for a 2chance.

    Tina Selling, who invented the3for her students of Stanford University, has a 4story to tell.

    Selling gave each of the fourteen teams a sealed envelope that contains five dollars of “seed funding”. They were5to spend as much time planning, but once they had6the envelop they then had two hours to make as much money as possible. The next week, each team were to7their project in a three-minute presentation.

    It8that most of the 14 teams didn't use the five dollars9 They realized that focusing on the10actually limited the problem way too tightly. They understood that five dollars is essentially11and decided to reinterpret the problem more12what can be done if 13with absolutely nothing?

    The average14on the five dollar investment was 4,000 percent! So what did they 15do?

    One team started a stand on campus to check bike tire16for free and charged $1to refill tires. Another team made17at busy restaurants and then sold each of them for up to twenty dollars to customers who didn't want to18inline. The team who made the greatest 19sold their presentation time to a company that wanted to employ them to advertise. They 20a good business for that company in the three minutes' presentation and brought in $ 650,000.

按流程图的程序计算，若开始输入的值为x=3，则输出的x的值是(   )

阅读下列材料

材料一：

材料二：17世纪中期，入侵黑龙江流域的沙俄侵略者对着当地居民的残酷杀害和对这块土地的蹂躏，使这一繁荣富饶的地区变成了荒野，城堡变成了废墟。

材料三：明旺夫脸在海南设置的最高行政机构称琼州府，管辖海南岛、西沙群岛、中沙群岛、南沙群岛及附近海域。清朝基本沿袭明制。…2012年8月以来，菲律宾在我国西沙群岛的黄岩岛海域不断制造事端袭扰中国渔船，提出国际仲裁、给黄岩岛改名、欲去除岛上与中国有关的标志…。

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