Zhe xue shi jia wen ku. Zhe xue shi jia wen ku Zi xue zhi shi wen ku. Er shi shi ji wen ku. Xin shi jie wen ku. zhe xue she hui ke xue Xin shi ji wen ku. Ke xue xiao wen ku. Zhong xue sheng wen ku. zhe xue shi- li xue