2 . （写出下列短语的英文）
1. 对……有害____________________________
2. 在……顶部或顶端____________________________
3. 食物链____________________________
4. 参加____________________________
5. 关掉____________________________
6. 付费；付出代价____________________________
7. 采取行动____________________________
8. 到目前为止____________________________
9. 不但……而且……____________________
10. 承担不起____________________________

4 . Tom买不起那把小提琴，因为太贵了。

5 .

take pride in, at the same time, afford, cheer up, boring, seldom, all his life, bored, laughs at

1. Millie lives on a healthy diet. She ________ stays up late or has sweet snacks.
2. This new sports car is on sale now but I can’t ________ it.
3. The old man has lived in Huai’an ________. He loves his hometown very much.
4. The boy wasn’t interested in that film because it was very ________.
5. Lang Ping is a symbol of courage and success, and we ________ her.
6. Anita is my close friend. She never ________ me and says a bad word about me.
7. My dad has a special ability to write with two hands ________.
8. Mary often goes to the old people’s home to ________ the old and look after them.

7 . 选择符合句意的单词, 并将单词前的字母填入空格

A. afford             B. dropped             C. duty        D. normal.       E. hiking

1. It’s ________ to feel tired after such a long trip.
2. He thinks it’s his ________ to save people’s lives as a doctor.
3. This robot is so expensive that I don’t think I can ________ it now.
4. I enjoy ________ on weekends, because it’s a good way to keep healthy.
5. The man in front of me ________ the litter, and I moved forward to pick it up.