题干
— What time shall we leave for the airport? — It's foggy today. I'm not sure __________ be closed soon. Let's go now.
A：whether the highway wil
B：whether will the highway
C：when the highway will
D：when will the highway
答案(点此获取答案解析）
A
bB(气)达到平衡后，保持温度不变，将容器体积增大一倍，当达到新平衡时，B的浓度是原来的40%，则