Beginning as something unusual in a handful of big cities—New York, London, Paris and Berlin—the new medium quickly found its way across the world, attracting larger and larger audiences wherever it was shown and replacing other forms of entertainment as it did so. (剑4, General Training Test A passage 3)
● 分析：
本句的主句为“the new medium quickly found its way across the world”;“Beginning as something unusual in a handful of big cities—New York, London, Paris and Berlin”现在分词短语做状语;“attracting larger and larger audiences wherever it was shown and replacing other forms of entertainment as it did so”两个并列的分词短语做状语，其中“wherever it was shown”wherever引导的为地点状语，“as it did so”为as引导的状语从句。
● 题目：
The second set of more specific changes that have led to the present concern about the distribution of health-care resources stems from the dramatic rise in health costs in most OECD countries, accompanied by large-scale demographic and social changes which have meant, to take one example, that elderly people are now major (and relatively very expensive) consumers of health-care resources. (剑4, test4 passage 3)
● 分析：
本句主句为“The second set of more specific changes stems from the dramatic rise in health costs in most OECD countries”;“that have led to the present concern about the distribution of health-care resources.”为定语从句，做changes的定语，关系词为that;“accompanied by large-scale demographic and social changes which have meant, to take one example, that elderly people are now major (and relatively very expensive) consumers of health-care resources.”为过去分词短语做状语，其中“which have meant, to take one example, that elderly people are now major (and relatively very expensive) consumers of health-care resources.”为定语从句，做changes的定语，关系词为which,“that elderly people are now major (and relatively very expensive) consumers of health-care resources.”为that引导的宾语从句，做mean的宾语。
