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　　 长难句Their analysis ruled out the possibility that it was firms" political influence, rather than theirCSR stand, that accounted for the leniency: Companies that contributed more to political campaignsdid not receive lower fines. ( 2016, Reading Comprehension, Text 3)
　　 难句分析词汇点睛
　　rule out: 排除; stand: 立场; account for: 解释,导致; leniency: 宽大,仁慈难点突破
　　同位语从句,强调句
　　结构图示
　　句子分解
　　句子有五个谓语动词: ruled out, was, accounted for, contributed 和did not receive。冒号前后为两个并列句.据此将句子划分为:
　　A.Their analysis ruled out the possibility
　　分句一的主句为“主谓宾"句型。
　　B.that it was firms' political influence, rather than their CSR stand, that accounted for the leniency
　　that引导位于名词possibility后的同位语从句。此部分中包含it was... ta...结构，去掉后
　　句子成分不差.故此句是强调句。was不作强调句的谓语,句子还原后应为that firms' political influence, rather than their CSR stand, accounted for the leniency。
　　C. Companies..did not receive lower fines
　　分句二的主旬为“主谓宾"句型,对冒号前整个旬子进行解释说明。
　　D.( Companies )that contributed more to political campaigns
　　从属连词that引导定语从旬,修饰限定companies.
　　 参考译文他们的分析排除了某种可能性,即恰是这些公司的政治影响力,而非它们的企业社会责任立场，促成了这种仁慈:因为那些更多的支持政治运动的公司并没有被判处更低的罚金。