1 . At the end of a workout spend time cooling down with some slow ________ (拉伸) . （根据汉语提示拼写单词）

2 . Directions: Write down the derivatives of the given words as required.
1. permission: _______________ (n.) 许可证
2. hesitate:   _______________ (adj.) 犹豫不决的
3. economic:   _______________ (n.) 经济学家
4. innovation:   _______________ (adv.) 创新地
5. perceive:   _______________ (n.) 察觉，注意
6. replace:   _______________ (n.) 替代，更换
7. vary:   _______________ (adv.) 始终如一地，一贯地
8. calculate:   _______________ (n.) 计算器
9. application:   _______________ (v.) 应用
10. normal:   _______________ (adj.) 不正常地
11. custom:   _______________ (adj.) 习俗的，习惯的
12. accurate:   _______________ (n.) 错误，不精确

3 . In senior high school English teaching in China, English writing has been a __________ (艰苦的) task for students as well as for English teachers. (根据汉语提示单词拼写)

4 . A new study has failed to find any c________(决定性的；确凿的) evidence that lifestyle changes can prevent cognitive decline in older adults. （根据中英文提示填空）

5 . Food can also have a specific meaning, and play a s________(重要意义的) role in a family or culture’s celebrations or traditions. （根据中英文提示填空）

6 . Keep a m________(谦逊的)attitude for all time, but we must have our own dreams and make it seriously! （根据中英文提示填空）

7 . If you p ______(保藏) food, you treat it in order to prevent it from decaying so that you can store it for a long time. (根据中英文提示填空)

8 . You need be r_________ as I can’t afford to pay so much money. (accepting in a sensible way what it is actually possible to do or achieve in a particular situation) (根据英文提示单词拼写)

9 . Individuals can enroll on self-study courses in the university’s language i_________. (an organisation that has a particular purpose, especially one that is connected with education or a particular profession) (根据英文提示单词拼写)

10 . As a doctor, can you give some p_________ advice on my illness. (doing something as a paid job rather than as a hobby) (根据英文提示单词拼写)