2 . 词性转换
1. academy n．学院;学会→________ adj.学术的
2. aggress vt.& vi.侵略;攻击→________ n．侵略
3. emergent adj.新兴的;处于发展初期的→________ v．出现
4. invade v．侵略;侵犯→________ n．侵略者，侵略军
5. mist n．薄雾;水汽→________ adj.多雾的
6. glorious adj.光荣的→________ n．辉煌的成就;荣耀的事;荣誉
7. dedicate v．把……奉献给→________ n．奉献
8. represent v．代表;描绘→________ n．代表

3 . 英汉互译
1. 完成似乎不可能完成的任务________
2. 而不是静静的躺着________
3. 表现出攻击性________
4. the formation and encoding of memories________
5. patterns of firing________
6. 可以相当肯定地说________

4 . It seems unlikely that restoration of the clocks will ever be complete. This is a(an) ________ against time that can never be won.

A．match

B．game

C．aggression

D．race