22. D. acquired.[详解]acquired (=gain for oneself by skill or ability, by one's own efforts or behavior) (由技术、能力、努力或行为) 获得; 得到：He has acquired a good command of English language. (他已精通英语。) achieve, vt. 取得 (胜利、成功等) , 实现 (目标、目的等) 。 attain, vt. 达到 (目的等) , 取得 (成就等) ：1) I hope you will attain your object. (我希望你会达到你的目的。) 2) He attained success through hard work.

21. B. accused.[详解]accuse sb. of... 控告某人犯有......, warn sb. of警告、告戒某人有......deprive sb. of sth.剥夺某人某事。charge sb. with murder (指控某人犯有杀人罪) 。

20. B. effect. [详解]take effect 生效。

19. B. ever so.[详解]ever so (=very) 非常; It's ever so cold.与名词搭配时则用ever such, 如：She's ever such a nice girl. (她是一位非常好的姑娘。) even so (=although that is true, nevertheless; still) 即使如此：The fire was out, but even so, the smell of smoke was strong. (=The fire was out, but the smell was still there.)

18.　 C. written off.[详解] write off报废, 参看III, 200.注释; break off参看III.13.注释; take off参看III.170.注释; pick up参看III.130,129.注释。

17.　 B. anything but.[详解] anything but (=far from being) 根本不; The boys knew they bad broken the rules, and they were anything but happy when they were called to the office. (=They were unhappy and afraid.) nothing but 只不过; Don't have him for a friend; he's nothing but a criminal. (不要把他当朋友, 他只不过是个罪犯。) I have nothing but two dollars. (我只有2美元。) above all最重要的。rather than 而不是

16. A. extinguish.[详解] extinguish (=put out) vt. 扑灭 (火焰等) 。Stop the fire虽然也可以搭配, 但按本句题意用extinguish为最佳。

15. D. effort.[详解] effort (作可数名词用) (=vigorous attempt) 努力的尝试：Does it require a great effort of will to give up smoking? (戒烟需要坚强的毅力吗?)

14. D. accordingly.[详解]accordingly (=for that reason, therefore) 因此, 所以。

13. B. make out [详解] 详见III,123注释。