3 . 词性转换
1. distant adj. 遥远的；远处的；疏远的；心不在焉的→________________ n．距离
2. secure adj. 安全的；安心的；可靠的；牢固的 vt. 获得；拴牢；保护→________________ n．安全；保护措施
3. automatic adj. 自动的→________________ adv. 自动地
4. efficient adj. 效率高的；有功效的→________________ adv. 有效地→________________ n. 效率；效能
5. obey vi.&vt. 服从；遵守→________________vi.&vt.不服从
6. detect vt. 发现；查明→________________ n．侦探
7. predict vt. 预测；预言；预料→________________ n．预测；预言
8. resist vi.&vt. 抵制；反抗；抵挡→________________ n．抵制；反对；抗拒→________________ adj. 反抗的；抵制的
9. potential adj. 可能的；潜在的 n．潜力；可能性→________________ adv. 潜在地；可能地

7 . 选词填空

benefit   make fun of   after all   distance   frank achievements   announced   go through   ordinary   absorbed in generous   took advantage of   function   grateful   in spite of

1. The other children often ____________ him because he was fat and wore glasses.
2. The discovery of DNA is one of the greatest scientific ____________ of the decade.
3. The government yesterday ____________ to the media that it had created a million new jobs.
4. She seemed totally ____________ her book and didn’t know what was happening around her.
5. We should spend the money on something that will ____________ everyone.
6. While the baby slept, she ____________ the moment’s peace to read her book.
7. I am extremely ____________ to all the teachers for their help.
8. The house is only a very short ____________ from the sea, so you can walk to the seaside.
9. English became the official language for business ____________ the fact that the population was largely Chinese.
10. Readers of the magazine said they wanted more stories about ____________ people and fewer stories about the rich and famous.