1 . After such a long time, it is difficult to _____ the age of this fossil.

A．unfold	B．determine
C．destroy	D．freeze

2 . 词性转换
1. astonish vt. 使十分惊讶; 使吃惊→________ n. 惊讶→________ adj. 令人吃惊的→________ adj. 感到吃惊的
2. freeze v. 结冰; (使)冻住→________ adj. 极冷的; 冰冻的→________adj. 冷冻的
3. anticipate vt. 预料; 预见; 期望→________ n. 预料; 期望
4. frost vt. 使蒙上霜 vi. 结霜n. 霜; 严寒天气; 霜冻→________ adj. 结霜的; 严寒的
5. please v. 取悦; 使高兴→________ adj. 令人愉悦的 → ________ adj. 感到愉悦的
6. coherence n. 连贯性→________ adj. 有条理的; 清楚易懂的
7. photograph v. 拍照 n. 照片→________ n. 摄影师; 拍照者
8. mist n. 薄雾; 水汽 → ________ adj. 多雾的; 模糊的
9. breathe v. 呼吸→________ n. 呼吸的空气→________ adj. 上气不接下气的
10. advertise v. 做广告→________ n. 广告; 启事

3 . 判断含义
1. Some fruits freeze better than others.
2. When the lake freezes, we can go skating on it.
3. I froze with terror as the door slowly opened.

4 . 英译汉
1. reaction n.
2. capture v.
3. stare v.
4. freeze v.
5. exact adj.
6. after all
7. brave the elements
8. rain cars and dogs
9. hold your horses
10. kill two birds with one stone
11. flow chart
12. migrate
13. creature
14. charity