华慧考博-考博英语两个复杂句子的结构分析(四十四)

1. People lucky enough to avoid chronic diseases may also fare better in intellectual function, they find, perhaps because chronic diseases can restrict lifestyle and reduce mental stimulation.

【结构分析】句子主干为“People may also fare better”；“lucky enough to avoid chronic diseases”为形容词短语来充当people的后置定语；“they find”为插入语；“in intellectual function”为介词短语作地点状语；because引导其后的成分充当原因状语。

2. Primary care physicians who refuse to compromise quality are either driven out of business or to cash-only practices, further contributing to the decline of primary care.

【结构分析】句子主干为“Primary care physicians are either driven out of business or to cash-only practices”；“who refuse to compromise quality”为who引导的从句来充当“Primary care physicians”的后置定语；“further contributing to the decline of primary care”为分词短语来充当结果状语。