其中70-year做history的定语，所以year不能用复数。
如：a four-year old girl 一个四岁女孩。
9.年龄表达方法
（1）用基数词表达年龄，可以加上"...years old"three years old.
（2）用when引导的从句 when I was three（years old）
（3）at the age of ＋基数词 at the age of three
（4）基数词＋-year-old three-year-old，注意这种表达常作定语
如a three-year-old boy.
Exercises:
一. 写出下列动词的过去式：
1. is _________ 7. have _________
2. are _________ 8. become _________
3. start _________ 9. play _________
4. do _________ 10. take _________
5. hiccup _________ 11. win _________
6. learn _________ 12. begin _________
二. 把下列词组译成英语：
1. 运动明星 _________ 8. 太...而不能... _________
2. 乒乓球运动员 _________ 9. 开始打高尔夫球 _________
3. 篮球运动员 _________ 10. 滑冰冠军 _________
4. 网球运动员 _________ 11. 中国的钢琴家 _________
5. 足球运动员 _________ 12. 获得第一名 _________
6. 停止打嗝 _________ 13. 参加 _________
7. 电影明星 _________ 14. 主修 _________
15. 清华大学 _________ 16. 在四岁的时候 _________
三. 选择填空：
1. Deng Yaping _________ born in 1973.
A. is B. was C. were
2. She is a great _________ ping-pong player.
A. China B. Korea C. Chinese
3. ——_________ did Tara learn ice skating?
——For three years.
A. How long B. How old C. How many
4. Tiger woods started _________ when he was only ten months old.
A. golf B. golfer C. golfing
5. You are never _________ young _________ start doing things.
A. so...that B. between...and C. too...to
6. Is he _________? No, he isn't.
A. alive B. live C. life
7. Most of students in our class _________ part in the math match yesterday.
A. joined B. took C. made
8. He spends all his free time _________ his grandchildren.
A. for B. to C. with
9. Lucy became a famous _________ when she was just 11 years old.
A. piano B. violin C. violinist
10. When do Shakespeare stop writing plays?
He stopped writing plays _________.
A. in 1613. B. for 20 years C. once a week
四. 汉译英：
1. 她在1993年开始上钢琴课。
2. Tony太累了不能跑了。
3. Shirley在三岁的时候成为一名电影明星。
4. Lisa什么时候开始学习滑冰？
5. 他打嗝打了69年零5个月。
《新目标英语八年级教学笔记 unit 9》出自：www.89xue.com网