Guo yu wen jiao xue yan jiu/ Ti yu ke jiao xue yan jiu/ Shu xue ke jiao xue yan jiu/ Yin le ke jiao xue yan jiu/ Guo min jiao yu yan jiu/ Jiao yu xin li xue yan jiu/ You er jiao yu yan jiu/ Zi ran ke jiao xue yan jiu/ wen xian xue yan jiu/ Guo xiao ti yu jiao xue yan jiu/