请根据以上信息回答下列问题：

阅读理解

    My name is Eve Smith. This is a photo of my family. There are five people in the photo. Look! The old woman is my grandma. She is seventy years old. The woman in red is my mother. She is a doctor in a hospita l. The man in a black coat is my father. He is a teacher in a middle school. This tall man is my uncle. He is my mother's brother. He is next to my mother. I'm in yellow.

   We live in this house. Look here, please! In front of our house, there is a small garden. It’s very nice. There are many beautiful flowers and some small trees in the gard e n.

林肯是美国历史上最受人民爱戴的总统之一。他在美国历史进程中的主要贡献是（   ）

二次函数f(x)的二次项系数为正数，且对任意x∈R都有f(x)=f(4-x)成立，若f(2－a²)<f(1+a－a²)，那么a的取值范围是 ( )