题干
The children are making so much ______. Please tell them to be quiet.
A：space
B：noise
C：food
D：time
答案(点此获取答案解析）
B
The children are making so much ______. Please tell them to be quiet.
A：space
B：noise
C：food
D：time
。恒容时，温度升高，B的浓度减小。下列说法正确的是
A(g)＋B(g)