题目

假设你是红星中学高三（1）班的学生李华，请根据以下四幅图的先后顺序，为校刊“英语园地”写一篇短文，讲述上周你参加学校英文歌曲演唱比赛的过程。词数不少于60。 答案：Last Monday, our monitor announced to our class that an English Song Singing Competition would be held in the school auditorium on Friday afternoon. On hearing the news, some classmates signed up for it immediately. I was considering whether to participate when my English teacher approached and told me that it was a good chance to show off my talent. Encouraged by her, I decided to have a try.Duri抛物线y=（x-1）2+1的顶点坐标是（ ）A．（1，1）B．（-1，1）C．（1，-1）D．（-1，-1）