3 . 好机会一旦来临, 我们必须抓住它, 否则损失将永远弥补不了。(make up for) （汉译英）

4 . 选词填空

loss; suffering; prove; vehicle; continent; breathe; site; duty; dust; ambition

1. Asia is the largest of the_________ of the world.
2. They hope this new evidence will ________her innocence.
3. She never achieved her _______ of becoming a famous writer.
4. A cloud of ________rose as the truck drove off.
5. He ________ deeply before speaking again.
6. Death finally brought an end to her ________.
7. It is my _________to report it to the police.
8. A________ has been chosen for the new school.
9. The closure of the factory will lead to a number of job ________.
10. This ________ was parked on private property.

6 . 词性转换
1. ________adj.创造性的；有创造力的；有创意的→________ vt.创造→________ n．创造力
2. ________vt.保存；保护；维持n．保护区→________ n．保护
3. ________vt.促进；提升；推销；晋级→________ n．晋升；推销；促进
4. ________n．申请；用途；运用；应用程序→________ vi.申请；适用　vt.应用；使用→________ adj.实用的；应用的→________ n．申请人
5. ________n. 入口；进入→________ vi. 进入
6. ________adj. 专业的；职业的　n. 专业人员；职业选手→________ n. 职业；行业
7. ________vt.& vi.原谅；宽恕→________过去式→________ 过去分词
8. ________n．平衡；平均　vt.使平衡→________ adj.均衡的；平衡的
9. ________n．限制；限度　vt.限制；限定→________ adj.有限的
10. ________n．丧失；损失→________ vt.丢失；丧失；迷路→________ adj.丢失的