阅读下面的材料，按照要求作文。

    法国作家雨果说：“所谓活着的人，就是不断挑战的人，不断攀登命运险峰的人。”美国哲学家乔治·巴顿说：“接受挑战，就可以享受胜利的喜悦。”美国社交网站Facebook创始人马克·扎克伯格则在演讲中说：“挑战无处不在！”

    请以“挑战”为题写一篇不少于800字的记叙文。要求：①角度自选；②立意自定；③除诗歌外，文体自选。

    I had a busy weekend. On Saturday morning, I 1 up late. At eleven o'clock, I went shopping at a 2. Then I went 3 in a swimming pool. After that, I 4 lunch and then cleaned the house. In the evening, I went out 5 a restaurant with my friends. We 6 a nice dinner and talked a lot.

    7 Sunday morning, I also got up 8. After breakfast, I 9 my grandparents in the countryside by bus. I helped them 10 some clothes and 11 them funny stories. They 12 very happy to see me. I came back 13 at 6 p.m. After dinner, I 14 an interesting book and went to bed 15 about half past nine.