题目

秦始皇统一六国后，建立专制主义中央集权制度，其核心是   A．规定皇位世袭     B．建立三公九卿    C．推行郡县制    D．确立皇权至高无上   答案：DThe presidents of China and the USA had ________ interview a short time ago.—And it was ________ great success.A. an; / B. the; a C. an; a D. the; /