本题是继《阅读长难句分析基本原理》后的练习篇，把所掌握的技巧，应用的实际练习当中，进一步夯实自己的阅读能力。
练习步骤：
step1：划分句子结构，找句子主干
step2: 确定修饰词，修饰短语或修饰从句的修饰关系
step3: 确定代词指代对象
剑桥雅思9
Reading Passage 2
长难句：Second, we make a very conservative assumption that we are looking for a life form that is pretty well like us, since if it differs radically from us we may well not recognize it as a life form, quite apart from whether we are able to communicate with it.