12. A: Mary hangs around with Joe a lot.

　　B: Yes, I almost mistook her as an accessory.

　　accessory

　　n. 1.附件，零件，配件

　　2.[常pl.](妇女手提包之类的)装饰品

　　3.同谋，帮凶，包庇犯

　　13. A: He acclaimed that he was fully recovered.

　　B: And do you think that he actually was?

　　acclaim

　　vt. 向……欢呼，为……喝彩

　　n. 称赞，欢迎

　　14. A: How many people will your hotel accommodate?

　　B: Fifty, at a push.

　　accommodate

　　vt. 1.容纳

　　2.向……提供住处(或膳宿)

　　3.使适应，顺应

　　15. A: Do you think that Mr. Hand committed the crime alone?

　　B: No, he has an accomplice.

　　accomplice

　　n. 共犯，从犯

　　16. A: Why were you late for work?

　　B: I don’t have to tell you, I’m only accountable to my boss.

　　accountable

　　a. 负有责任的

　　17. A: That was an ace tennis match.

　　B: Yeah, it was fantastic.

　　ace

　　n. 1.(纸牌等中的)幺点，“A”牌

　　2.(网球等比赛中)发球得分

　　3.(在某方面的)佼佼者

　　a. 第一流的，杰出的

　　18. A: Do you play the acoustic guitar?

　　B: Usually I play the electric.

　　acoustic

　　a. 1.听觉的，声音的

　　2.(乐器)原声的

　　19. A: Have you acquainted yourself with the material yet?

　　B: No, I still have to read the book.

　　acquaint

　　vt. (with)使认识，使了解，使熟悉

　　20. A: Has the case come to a close?

　　B: Yes, the suspect was acquitted because there was not enough evidence.

　　acquit

　　vt. 1.宣判……无罪

　　2.(oneself)使(自己)作出某种表现

　　21. A: If you press that red button you will activate the bomb.

　　B:I’ll be sure not to press it then.

　　activate

　　vt. 使活动起来，使开始起作用

　　22. A: What do you want to be when you grow up?

　　B: A feminist activist , working for female rights

      activist

      n. 活动家