A:A溶液中可能含有H+、Mg2+、Al3+ Cl-
B:A溶液含有0.1molAl3+
C:A溶液中一定含有AlO2- Na+离子
D:A溶液加入NaOH溶液至少发生了三个化学反应
Sam: Come on, it's time for school.
Mike: What class do you have today?
Sam: I have math, music and PE. How about you?
Mike: I have English, art and music.
Sam: I like English. What about you?
Mike: I like music.
选择正确的答案填在括号里。