【例句】(2004英语一新题型)

　　We are obliged to them because some of these languages have since vanished, as the peoples who spoke them died out or became assimilated and lost their native languages.

　　【解题技巧】划出主语和谓语because和as均引导原因状语从句，who引导定语从句修饰peoples

　　【参考译文】我们之所以感激他们，是因为从此以后，这些语言中的一部分消失了， 因为讲这些语言的人要么灭绝了，要么被同化了，因而丧失了自己的语言。