问题
选择题
| —Have you eaten your breakfast? —________. I had rice and fish this morning. |
A. Yes, I have B. No, I haven't C. Yes, I do D. No, I don't |
答案
答案：A
搜题请搜索小程序“爱下问搜题”
| —Have you eaten your breakfast? —________. I had rice and fish this morning. |
A. Yes, I have B. No, I haven't C. Yes, I do D. No, I don't |
答案：A
H++OH－欲使该平衡向正方向移动，且c(H+)增大，应加入的物质是 [ ]