题干
Did you ask the teacher what _____ this afternoon?
A：will we do
B：we would do
C：shall we do
D：would we do
答案(点此获取答案解析）
B
2NH3(正反应为放热反应)达到平衡后，下列选项中三种方法都能使平衡向正反应方向移动的是（ ）