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 ~ the man.

　　35. bias n. 偏见 Bias is prejudice.

　　36. blaze v. 燃烧; 发强光 The summer 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