下面我们就按照长难句拆分原则，依照这些拆分信号，结合考研英语阅读或翻译真题中的长难句进行实战演练一下吧! 　　1、{C}This trend began during the Second World War, when several governments came to the conclusion that the specific demands that a government wants to make of its scientific establishment cannot generally be foreseen in detail. 　　(1)句子拆分 　　拆分点：从属连词、介词、标点符号 　　This trend began∥during the Second World War,∥when several governments came to the conclusion∥that the specific demands∥that a government wants to make of its scientific establishment cannot generally be foreseen∥in detail. 　　(2)句子结构 　　找谓语动词(began, came, wants, cannot be foreseen); 　　↓ 　　找连词(when, that, that) 　　↓ 　　前面没有从属连词的动词即为主句的谓语动词 　　↓ 　　确定主从句 　　主句：This trend began during the Second World War; 　　从句：定语从句when several governments came to the conclusion修饰the Second World War，本从句嵌套着一个二级从句即同位语从句that the specific demands cannot generally be foreseen in detail修饰conclusion和一个三级从句that引导的定语从句that a government wants to make of its scientific e