问题
选择题
| Have you ever had a case _____ someone accused your journalists of getting the wrong end of the stick? |
A. that |
答案
答案：C
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| Have you ever had a case _____ someone accused your journalists of getting the wrong end of the stick? |
A. that |
答案：C
2NH3的反应，下列选项中能说明反应已达到平衡状态的是