A:2mm,88
B:2mm,44
C:2mm,2
D:88mm,88
--What's wrong?
-- I have a . I have to go to the doctor.
向等质量的相同的稀硫酸中分别加入足量的镁条、铁片、锌粒,有关量的关系图象如下,其中正确的是( )