16. analogy n. 类比 by analogy
17. anonymous a. 匿名的 I received an ~ letter.
18. applaud v. 鼓掌; 赞许> I ~ your suggestion.
19. apt a. 易于 >One is ~ to make mistakes if given too much pressure.
20. array n. 陈列, 一系列>the ~ of fruit and vegetables in the supermarket
21. arrogant a. 傲慢的> An ~ man is a self-important person.
22. ascend v. 上升 > The balloons are ~ing.
23. ascribe v. 归因于>He ~d his failure to his small vocabulary.
24. aspiration n. 抱负 Your ~ is your ambition or strong wish.
25. assault n. 攻击, 袭击>A robber ~ed him.
26. assert v. 断言 He ~ed that the thief would come again.
27. assurance n. 保证, 把握 >I give you my ~ that the product is safe and reliable.
28. attendant n. 服务员, 随从
29. authentic a. 真实的, 可靠的>Is Clinton’s biography ~?
30. avert v. 避开、转移 We ~ed a loss .