2015年，中国梦已成为热议话题。怀揣梦想穿行历史，放飞梦想走向未来。

已知cosα=﹣$\frac{\sqrt{3}}{2}$，且α∈0，π），那么α的值等于____ 

    I'm Lucy. There are four people in my family. They are my grandfather, my parents and me. My grandfather likes to plant flowers. He works on his farm every morning. My father likes to watch TV. He likes to watch the news very much. My mother likes to go shopping. She often buys new clothes for us. I like to read books. I go to the library on Sundays.