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In 2010, leading congressional Democrats and Republicans sent letters to the AAAS asking that it identity actions that could be taken by “ federal, state and local governments, universities, foundations, educators, individual benefactors and others “ to “maintain national excellence in humanities and social scientific scholarship and education.”
A. 断句：找标志断句，在第一个逗号处断句，连词that,可在第一that前断句，短语，to前断句。即：In 2010, leading congressional Democrats and Republicans sent letters to the AAAS asking //that it identity actions that could be taken by “ federal, state and local governments, universities, foundations, educators, individual benefactors and others //“ to “maintain national excellence in humanities and social scientific scholarship and education.”
B. 语法分析：
句子主干：Democrats and Republicans sent letters to the AAAS,其中包含了adj做定语，leading/congressional 定语修饰主语Democrats and Republicans.
修饰：
伴随状语：asking that it identity actions that could be taken by “ federal, state and local governments, universities, foundations, educators, individual benefactors and others，其中，第一个that宾从;第二个that定从修饰actions。
目的状语：to “maintain national excellence in humanities and social scientific scholarship and education，其中in humanities...句末介词短语做定语修饰excellence.
C.翻译：2010年，国会的民族党和共和党的领导给美国人文与科学院写信，要求明确“联邦，州，地方政府，大学，基金会，教育者，个人和其他热采用的行动内容，用来维护国家人文学科和社会科学学术与教育领域的领先地位。
