题干
—What did the teacher say to you just now?
—She asked _______.
A：where did I buy the dictionary
B：where I bought the dictionary
C：where do I buy the dictionary
D：where I buy dictionary
答案(点此获取答案解析）
B
H++CH3COO-的电离平衡中，要使电离平衡向右移动，应采取的措施是
