雅思阅读文章中，对考生们来说比较有难度的问题就是长难句的问题，我们在平时碰到类似的长难句时应该如何解析呢？下面我们整理了一些实例，供大家参考：

42. An alternative to this notion of genetic programming is to see the teacher-subjects’ actions as a result of the social environment under which the experiment was carried out.(剑5, Test 1 passage 2)

分析：本句的主句为“An alternative to this notion of genetic programming is to see the teacher-subjects’ actions as a result of the social environment”;其中“to see the teacher-subjects’ actions as a result of the social environment”为不定式作表语宾语;“under which the experiment was carried out.”为宾语从句，关系词为which, 做the social environment的定语。

43. Kant and Freud felt that joke-telling relies on building up a psychic tension which is safely punctured by the ludicrousness of the punchline.(剑5, Test 2 passage 2)

分析：本句的主句为“Kant and Freud felt that…”, 其中“that joke-telling relies on building up a psychic tension which is safely punctured by the ludicrousness of the punchline.”为that引导的宾语从句，做felt的宾语;而“which is safely punctured by the ludicrousness of the punchline”为定语从句，做a psychic tension的定语，关系词为which。

44. A modern hard-core sociobiologist might even go so far as to claim that this aggressive instinct evolved as an advantageous trait, having been of survival value to our ancestors in their struggle against the hardships of life on the plains and in the carves, ultimately finding its way into our genetic make-up as a remnant of our ancient animal ways.(剑5, Test 1 passage 2)

分析：本句的主句为“A modern hard-core sociobiologist might even go so far as to claim that …”;其中“that this aggressive instinct evolved as an advantageous trait, having been of survival value to our ancestors in their struggle against the hardships of life on the plains and in the carves, ultimately finding its way into our genetic make-up as a remnant of our ancient animal ways.”为that引导的宾语从句，做claim的宾语;在宾语从句中“having been of survival value to our ancestors in their struggle against the hardships of life on the plains and in the carves”为现在分词短语作状语，在该宾语从句中做原因状语，“ultimately finding its way into our genetic make-up as a remnant of our ancient animal ways.”也是现在分词短语做状语，在该宾语从句中做时间状语。

45. An a