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：

35. Some are ‘thermoplastic’, which means that, like candlewax, they melt when heated and can then be reshaped.(剑5, Test 2 passage 1)

分析：本句的主句为“Some are ‘thermoplastic’”; “which means that, like candlewax, they melt when heated and can then be reshaped.”为定语从句，做‘thermoplastic’的定语，关系词为which; 在此定语从句中“that, like candlewax, they melt when heated and can then be reshaped.” 为that引导的宾语从句，做means的宾语;“when heated”为过去分词短语做状语，做they melt的时间状语。

36. Baekeland’s interest in plastics began in 1885 when, as a young student in Belgium, he embarked on research into phenolic resins, the group of sticky substances produced when phenol (carbolic acid) combines with an aldehyde (a volatile fluid similar to alcohol). (剑5, Test 2 passage 1)

分析：本句的主句为“Baekeland’s interest in plastics began”; in 1885为时间状语，而“when, as a young student in Belgium, he embarked on research into phenolic resins”为定语从句，做1885的定语，关系词为when; “the group of sticky substances”为phenolic resins的同位语;“produced when phenol (carbolic acid) combines with an aldehyde (a volatile fluid similar to alcohol”为过去分词短语做定语，做the group of sticky substances的定语，而“when phenol (carbolic acid) combines with an aldehyde (a volatile fluid similar to alcohol).”为when引导的时间状语从句。

37. On 13 July 1907, Baekeland took out his famous patent describing this preparation, the essential features of which are still in use today. (剑5, Test 2 passage 1)

分析：本句的主句为“Baekeland took out his famous patent”, “On 13 July 1907”为时间状语;“describing this preparation”为现在分词短语做定语，做

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