将夜一、英语长难句之定语从句一、定语从句定语从句是英语中一种最常见的句型，它可以分为限制性定语从句和非限制性定语从句，即定语从句的关系词在文中修饰哪个词、短语或句子。在主句中不可缺少的定语从句称限定性定语从句。对主句起附加说明作用的定语从句称非限定性定语从句。此外，定语从句和主句之间还存在着状语关系，说明原因、目的、让步、假设等。例1.The change met the technical requirement of the new age and prevented the decline in efficiency that so commonly spoiled the fortunes of family firms in the second and third generation after the energetic founders. (1996年真题)例2. The American economic system is, organized around a basically private-enter
