题目

阅读下列短文，根据短文内容填空。在未给提示词的空白处仅填写 1个适当的单词，在给出提示词的空白处用括号内所给词的正确形式填空。I picked up the phone, slowly dialing the number to her house. All I could think was 【1】 we could possibly have a conversation about. Nothing! I didn’t think I could have anything in common with the person 【2】 is 50 years older than me. “Your grandmother won’t be around forever,” my mom said, so I just did what she told me and called my grandmother. What I didn’t know was that the phone call 下列物质的性质与所对应的用途没有关系的是A. 氧气助燃——作燃料 B. 氮气的性质稳定——作保护气C. 铜能导电——可作电线 D. 稀有气体通电发光——作霓虹灯