题干
补全对话。
Mike: When do you have breakfast, John?
John: I ____ at 8:20. What about you?
Mike: At 8:30. When do you ____?
John: I have Chinese class at 9:00. When do you eat lunch?
Mike: I ____ at 12:00.
John: Me too. Do you ____ at home?
Mike: No, I usually eat lunch at school. Do you ____ at school?
John: No, I eat dinner with my family at home.
答案(点此获取答案解析）
have breakfast,have Chinese class,eat lunch,eat lunch,eat dinner
Al2O3+2Fe，这一反应原理来焊接钢轨．对该反应说法错误的是（ ）