2 . 用方框中单词的适当形式完成下列句子, 每个单词只能用一次。

stress, distant, injury, volunteer, pack, adapt, dependent

1. After the car accident, the driver and all the passengers had very serious__________.
2. With the help of the Internet, there is no long __________ on the earth.
3. Those top students always finish their tasks and homework __________.
4. I’m going to do some __________ work in  some countryside middle schools.
5. Working as a doctor is one of the most __________ jobs in modern society.
6. Within two months, the young man gradually __________ to his new school life in another country.
7. Sometimes  fruits and vegetables __________ too much in the supermarket.

3 . 词性转换
1. challenge [n.] & [vt.] 挑战；质疑→________ [adj.] 挑战性的
2. advance [n.] 进步，进展；前进，行进 [vt.] & [vi.] 发展，进步→________ [adj.] 先进的
3. amazing [adj.] 令人大为惊奇的，令人惊喜的→________ [adj.] 感到吃惊的→________ [vt.] 使大为吃惊，使惊奇→________ [n.] 惊奇，惊愕，诧异
4. confidence [n.] 信心，信任；把握→________ [adj.] 有信心的
5. equal [adj.] 相等的；平等的；相当的 [n.] 同等的人(物) linking v. 与……相等 [vt.] 比得上→________ [adv.] 平等地；平均地→________ [n.] 平等；相等
6. improve [vt.] & [vi.] 改进，改善→________ [n.] 改进，改善；改进的事物
7. responsible [adj.] 有责任，负责；可靠的→________ (反义词)→________ [n.] 责任，职责
8. independent [adj.] 自主的，有主见的；自立的→________ (反义词)→________ [n.] 独立，自主→________ (反义词)
9. technique [n.] 技巧，技艺；技能→________ [adj.] 技术的，技能的→________ [n.] 科技
10. contribution [n.] 贡献；捐款；捐赠→________ [vi.] & [vt.] 做贡献；捐献；促成
11. fortunately [adv.] 幸运地，幸亏→________ (反义词)→________ [adj.] 幸运的→________ [n.] 运气；巨款；命运
12. option [n.] 可选择的事物，选择；选修课→________ [adj.] 可选择的
13. attract [vt.] 吸引，使喜爱；招引；引起(反应)→________ [n.] 吸引力；向往的地方→________ [adj.] 有吸引力的，诱人的

5 . It is a pity that few students nowadays are _______ on reading classics which I think are really worth reading.

A．earnest

B．keen

C．dependent

D．accustomed

6 . 选择并使用所给英语单词的正确形式完成句子，有两个单词为多余词。

approach, depend, fortunate, flexible, enable, misunderstand, chat

1. The economy of that country is heavily ____________ on natural resources.
2. When we met again 20 years later, we ____________ a lot over tea.
3. Listen! Someone ____________ our classroom.
4. I was late, but ____________ the meeting hadn’t started.
5. What a shame! We ____________ each other for such a long time. I wish I had communicated with you earlier.

7 . Since this school provides various optional courses, students will have a(n) ______ choice according to their interest.

A．flexible

B．dependent

C．available

D．reliable