题目

根据对话内容，运用方框中所给的句子选项补全对话。选项中有一项是多余的。（Jiang Mei and Zhang Hua come back to school after the Spring Festival.）Zhang Hua: Did you have a good time during the Spring Festival, Jiang Mei?Jiang Mei : Yes. I went to Hainan Island with my family.Zhang Hua: What did you do there?Jiang Mei: I tried some water sports.【1】Zhang Hua: Sounds great. How did you spend the New Year's Eve?Jiang Mei: We stayed in the hotel and watched the Spring Festival Gala（春晚）.Zhang Hua: 【2】Jiang Mei: The part about Changchun branch field放射性同位素的原子核内中子数与电子数之差是 A．32        B．67         C．99      D．166