The motifs(主语) that recur in this thesis(定语从句) can be indentified(谓语,被动式) as far back as the eighteenth century(时间状语) in the vain warnings(方式状语) that early cultural criticism sounded against the dangers of reading novels(warning的同位语从句).
论文中该观点再次出现,它可以被远远追溯到十八世纪之久的一个没有价 值的警告,即早期的文化言论针对了读书的危险性.