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：

23. The problem of how health-care resources should be allocated or apportioned, so that they are distributed in the most just and efficient way, is not a new one.(剑4, test4 passage 3)

分析：本句的主句为“The problem is not a new one”;“how health-care resources should be allocated or apportioned, so that they are distributed in the most just and efficient way”为how引导的宾语从句，做of的宾语;“so that they are distributed in the most just and efficient way”为so that引导的目的状语从句。

24. What is new is that, from the 1950s onwards, there have been certain general changes in outlook about the finitude of resources as a whole and of health-care resources in particular, as well as more specific changes regarding the clientele of health-care resources and the cost to the community of those resources. (剑4, test4 passage 3)

分析：本句的主句为“What is new is that…”;“that, from the 1950s onwards, there have been certain general changes in outlook about the finitude of resources as a whole and of health-care resources in particular, as well as more specific changes regarding the clientele of health-care resources and the cost to the community of those resources.”为that引导的表语从句;“regarding the clientele of health-care resources and the cost to the community of those resources”为现在分词短语做定语。

25. Thus, in the 1950s and 1960s, there emerged an awareness in Western societies that resources for the provision of fossil fuel energy were finite and exhaustible and that the capacity of nature or the environment to sustain economic development and population was also finite. (剑4, test4 passage 3)

分析：本句较长，主句为“there emerged an awareness in Western societies”;“that resources for the provision of fossil fuel energy were finite and exhaustible”和“that the capacity of nature or the environment to sustain economic development and population was also finite”为and连接的并列从句，都是that引导的同位语从句，做awareness的同位语。

26. Looking back, it now seems quite incredible that in the national health systems that emerged in many countries in the years immediately after the 1939-45 World War, it was assumed without question that all the basic health needs of any community could be satisfied, at least in principle; the ‘invisible hand’ of economic progress would provide. (剑4, test4 passage 3)

分析：本句为分号连接的两个分句，第一个分句较长，其主句为“it now seems quite incredible that