Sociology 102(social problems),Statistics 252(data and models),Linguistic 101(contemporary linguistic analysis),Economics 101(principles and policy),mathmatics 113&114通用(stewart)6 T# V# z8 N! R6 P# k
5 q0 K7 y! F& P; _' D/ P1 d需要其他信息发邮箱或者打电话, K G% A) c7 f) P! Z4 \$ G