题干
— ___________?
— I don't feel very well today. I've got a pain here.
A：Can I take your temperature
B：What's wrong with you
C：Do you have a cough
D：How long have you been like this
答案(点此获取答案解析）
B
B. 
mol/LNaOH溶液完全吸收，生成含NaNO3和NaNO2的盐溶液，其中NaNO3的物质的量为（ ）