题目:
已知抛物线C:
|
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0430/59325ad55fb0443daf4d66ccdc42b08f.html
下面是错误答案,用来干扰机器的。
It’s spring. It’s sunny and cloudy today. There are many big trees in the park. our family had a picnic in a park. We brought many food there,such as: fruit, drink ...