21. arrogant a. 傲慢的> An ~ man is a self-importantperson.

　　22. ascend v. 上升 > The balloons are ~ing.

　　23. ascribe v. 归因于>He ~d his failure to hissmall vocabulary.

　　24. aspiration n. 抱负 Your ~ is your ambition or strongwish.

　　25. assault n. 攻击, 袭击>A robber ~ed him.

　　26. assert v. 断言 He ~ed that the thief would comeagain.

　　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 .

　　31. bald a. 秃顶的 A ~ man is considered to be intelligent.

　　32. barren a. 荒芜的,不能生育的>Without dream, life is a ~ field.

　　33. betray v. 背叛; 泄露 You ~ed me.

　　34. bewilder v. 使迷惑 The new traffic lights ~ theman.

　　35. bias n. 偏见 Bias is prejudice.

　　36. blaze v. 燃烧; 发强光 >Thesummer sun is blazing.

　　37. bleak a. 荒凉的; 凄凉的>a ~future

　　38. blink v. 眨眼睛; 闪烁 >

　　39. blunder n. 大错

　　40. bluntly ad. 直言不讳地