_____ is Lucy. Is it _____ dress? [ ]
A. It, her
B. She, her
C. This, she
答案:B
下列反应中,不属于氧化还原反应的是( )
A.2Fe+3Cl2点燃.2FeCl3
B.NH4Cl△.NH3↑+HCl↑
C.2Na+2H2O═2NaOH+H2↑
D.Cu+2H2SO4(浓)△.CuSO4+SO2↑+2H2O
“比纳——西蒙量表”是心理学史上第一个智力量表。