题目

从对话后的选项中选出能填入空白处的最佳选项。A. Can you play it well?B. What's your favorite food?C. What's your favorite sports?D. And you?E. Do you like it?A: Excuse me, David.B: Football.A: Basketball.B:A: No. I'm not good at it. But I love this game.B:A: Hamburgers.B: No, I like dumplings. 答案：【1】C【2】D【3】A【4】B【5】E 下列不属于氮气用途的是(  ) A．用作灯泡的填充气  B．用作火箭的助燃剂 C．用作粮食的保护气  D．用作制氨气的原料