1 . 让我们感到欣慰/轻松的是，这个以前对游戏上瘾的学生现在把所有的精力都投入到学习上来了并且精力充沛。
To our _______, the student who used to be addicted to games devotes all his energies into study now and becomes __________.

2 . It is ________ to volunteer at a local community; you not only help others but also gain valuable life experiences.

A．worthwhile

B．generous

C．energetic

D．creative

3 . 跑步既便宜又容易，而且总是充满活力。
Running is cheap, easy and _________.

4 . 幽默能使人在工作、学习和生活中充满活力。
Humor can ________ in his work, study, and life.

5 . 如果你保持有规律的锻炼，你最终会（变得）健康且精力充沛。
If you keep on taking regular exercise, you’ll ________________.

6 . 用方框中所给词或短语的适当形式填空

inspire       carry on          engage in        hesitate        energetic       turn one’s back on       creative            be curious about

1. His bravery has given him the will to ________ with his life and work.
2. She was so angry with me that she ___________ me and never spoke to me again.
3. Despite her old age, she always looked __________ and could get things done.
4. The boy walked slowly on the way home and ___________ over whether to tell his mother about the exam result.
5. She ___________ everything like a kid.
6. He was ___________ painting the furniture.
7. He delivered an impressive and ____________ speech at the graduation ceremony.
8. You have to think _________ if you want to be successful in this game.

7 . 词性转换
1. elect vt. 选举；推选→_________ n. 选举；推选；当选
2. publish vt. 发表（作品）；出版→_________adj. 公众的；政府的→_________n. 出版；出版物；发表
3. retire vi. & vt. 退休；退职；退出→_________n. 退休；退役→_________adj. 退休的；退役的
4. scared adj. 害怕的；对……感到惊慌或恐惧的→_________vt. 惊吓；使害怕 vi. 受惊吓
5. insurance n. 保险；保险业→_________vt. 确保；保证
6. energetic adj. 精力充沛的；充满活力的→_________ n. 能量；精力；活力
7. replace vt. 接替；取代；更换→_________ n. 更换；替换

8 . Groups of ___________ youth.

9 . 我的父亲对我充满自信。他知道我精力充沛、生机勃勃，会把事情办成的。
My father was full of confidence in me. He knew I was ______ and dynamic and would get things done.

10 . A nutritious breakfast will keep you ______ throughout the entire morning.

A．incredible

B．grateful

C．energetic

D．absorbed