Some of the words employed by Shakespeare in his works have become______ and are no longer used in the present days.(2007年中国科学院考博试题)

单项选择题Professional archivists and librarians have(he resources to duplicate materials in other formats and the expertise to retrieve materials trapped in______ computers.(2006年北京大学考博试题)

单项选择题The current ______ with exam results is actually harming children’s education. (2013年3月中国科学院考博试题)