关于 的一元二次方程 的一个根是 ，则 的值为（    ）

    As everyone grows, they realize there will always be someone who is better. I learned this1in the second year in high school. The shock this experience brought was so great that I felt my2was left on the side of the road for dead. That was all it took: one year and one person3everything.

    Her name is Jenny. She was the girl who4raised her hand and had useful comments about everything. When teachers needed challenging problems answered, they 5 her. And if students needed6,they went looking for her. I didn't 7her, but I admit her presence annoyed me. In the first year, as a model student, I was the person everyone 8and all the teachers trusted. Then she came out of9! We also had two classes 10.There I got to see what everybody thought of her. When an exam finished, it became a11that she got the top grade and it didn't 12to my classmates whether I was right there,13I also got excellent grades. They would cross a desert and14her! I was left being denied my presence.15.I felt like not trying anymore.

    I stopped trying to put on a show because no one was16 anymore. Later, I volunteered at the graduation ceremony. She was called to make a(n)17and discussed their difficulties. I realized all her hard work got her there, not her desire to 18 It finally hit me that Jenny19the attention she got. She showed me how big the world is and how20a world I used to live in. I'll do my best because I know it will pay off.

请按要求完成下列各题。
      初中生活即将结束，你所在的初三（5）班欲在5月10日晚八点举办一次毕业晚会。