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。

　　● 题目：

　　In the third, distinctly different dance, she started by running a short distance in a straight line, waggling her body from side to side, and returning in a semi-circle to the starting point before repeating the process.(剑4, General Training Test B section3)

　　● 分析：

　　本句的主句为“she started by running a short distance in a straight line”; “waggling her body from side to side”和“returning in a semi-circle to the starting point”并列，都为现在分词短语做伴随状语;“before repeating the process”为before引导的现在分词短语做时间状语。