下图显示的是某科研工作者在我国某山区海拔3700米处拍摄的冰川和雪莲花盛开景象（该地位于43°5'N，86°48'E；距离所在省级行政区中心城市的西南约120千米处）。据此回答下面小题。

在《学会利用图书馆》的综合性学习中，我们知道书籍被分为政治、法律，经济，军事，哲学，文学，艺术，医药卫生等几十个大类，知道查找图书的卡片目录，通常分为分类目录、书名目录、著者目录等几种。现在，班上要开展一次到图书馆去借阅图书资料的活动，请你去完成以下任务。

设α：x=1且y=2，β：x+y=3，α是β成立的（　　）

根据短文理解，从A、B、C、D四个选项中选择最佳答案填空。

    Mr and Mrs Yates had one daughter.   1   name was Carol, and she was nineteen years old. Carol lived  2 her parents and worked in an office. She had some friends, but she  3any of the boys very much.

    Then she met a very  4 young man. His name was George. and he  5  in a bank near her office. They went out together quite  6 , and he came to Carol’s parents’ house twice, and then last week Carol went to her father and said, “I  7 George, Daddy. ”

    “Oh, yes,” said  8  .“he’s a nice boy. But has he got any money?”

    “Oh, men! All of you are  9  ,” the daughter answered    10  . “I met George on the first of June and on the second he said to me, ‘Has your father got any money?’”