2 . After reading the sentences below, fill in each blank with a proper word given in the box. Each word can be used only once. Note that there is one word more than you need.

A. serving               B. criticized               C. urge               D. track                 E. leading F. wrists                 G. cropped                 H. rebuilt                 I. regulating                 J. worn

1. If you’re tired of wandering around the gym, wasting time and becoming bored, you can attend an upbeat group fitness class that’ll keep your workout on___________.
2. Although the novel boasts a household name now, it used to be___________ for its one-sided values and two-dimensional characters.
3. In economic work, we should pay attention to opening up the source and___________ the flow from time to time.
4. The police twisted the criminal’s arms behind his back and clipped a pair of handcuffs on his___________.
5. Due to a whole day’s heavy workload, he felt extremely drowsy and had to fight off the strong___________ to doze off.
6. After going through a lot of twists and turns, hopefully, now Tom has___________ his life and decided to help more people in need.
7. I hope you don’t mind me leaving, but something has___________ up and Julia and I have had to go off to head office.
8. Even though the cause of Alzheimer’s disease is poorly understood, according to many studies, environmental and genetic risk factors are its___________ drivers.
9. Harrison is so concerned about the results of the examination that he has been tossing and turning all night, and wakes up feeling___________ out.
10. Some evidence suggests that people with depression have very low self-___________bias and they think everything is their fault.

4 . 选词填空

A. participation

B. maintenance

C. obstacles

D. Politicians

E. regulating

1. After the original cost of designing and setting up the plant, little additional investment will be necessary, apart from standard ________.
2. Though the teenager has achieved an overnight success, he must keep it in mind that he will be faced with various ________ ahead.
3. ________ should think harder about how their decisions might affect those whom covid-19 is plunging back into extreme poverty.
4. Artificial skin are designed to imitate at least some of the skin’s basic functions, which include protecting against wetness and infection and ________ body heat.

5 . 词性转换
1. human n. 人 adj. 人的；有人情味的→________ n. 人类
2. assist v. 帮助→________ n. 助手，助理
3. potential adj. 潜在的；可能的 n．潜力→________ adv. 潜在地
4. capable adj. 有能力的；能干的→________ n. 能力，才能；容量
5. automatic adj.自动的→________ n. 自动化
6. regulation n. 规则→________ v. 控制，管理
7. legal adj. 合法的→________ adj. 非法的，违法的
8. moral adj. 道德的→________ adj.   不道德的，道德败坏的

7 . Our friend Jim will give us a lecture about how to ________ an invitation in a polite way.

A．decline

B．claim

C．regulate

D．eliminate

8 . Randy’s imagination was always hard to ________ and he felt the urge to splash his thoughts in his head onto the bedroom walls.

A．regulate

B．contain

C．evaluate

D．launch

10 . We should strengthen and improve education and training of officials to ________ their competence.

A．increase

B．regulate

C．enhance

D．transform