e to light显露出来，暴露
22.over and over again
23.tell...apart一再；多次；反复
24.get hold of抓住；拿住；握住
25.make a beeline for径直朝……走去
26.as a matter of fact事实上；说真的；实际上
27.keep in touch保持联系
28.feast on大吃大喝；享受美食
29.make a distinction between...and...区分；区别
30.make sense有意义；有道理；讲得通
Ⅱ.重点句型
1.Finally,some Indians in unusual foreign clothes come to the house offering to entertain the guests,.... （in表示“穿着，戴着”，后面可以接表示衣物或颜色的名词）
2.Troubled by the loss of such a valuable jewel, Rachel’s mother hires the famous detective to investigate the theft.（过去分词作状语）
3.As the story develops we discover some secrets about the people at the house that night,and the reasons why they might have stolen the diamond.（as引导状语从句，表示时间，意思是“当……时候”；why引导定语从句，修饰先行词reason；might have +过去分词，表示对过去的可能性的推测）