题目

The winning of hosting _______ 2010 World Expo is _______ victory not only for Shanghai residents, but for ___________ people of the whole Chinese nation. A．the; a; the       B．a; the; a          C．a; a; the         D．the; the; a 答案：A（2013?通州区一模）影响元素化学性质主要是原子的（　　）A．核外电子总数B．核内中子数C．最外层电子数D．核外电子层数