2 . —You helped me with my computer last week. I want to repay the ________.
—No, no, you paid last time, so it’s definitely my turn to treat you.

A．action

B．favor

C．credit

D．virtue

4 . 他的行动和他的诺言相差甚远。（contrast with）(汉译英)

6 . 英汉互译
1. act-(              )+ -or(……人)→ actor n 男演员;行动者
2. act- + -ive(……性质的)→ active adj ___________
3. inter-(               )+ -act → interact v 相互交流
4. re-(               )+ -act → react v 对……作出反应
5. act- + -ress → actress n ___________
6. act- + ___________(……行为)→ ___________ n行动;行为
7. act- + -u + -al → actual adj ___________
8. ___________(出)+ -act → ___________ adj 精确的

7 . If an international firm has been planning an expansion in the U.S., it only makes sense to make a(n) ________ when the dollar is relatively low.

A．action

B．move

C．deed

D．effect

8 . 只有每个人都尽最大努力保护濒危物种，我们的行动才会改变这个共同生活的星球的现状。(Only...，difference) （汉译英）