A:热稳定性:HF>HCl>HBr>HI
B:微粒的半径:Cl﹣>Na+>Mg2+>Al3+
C:电离程度(同温度同浓度溶液中):HCl>CH3COOH>NaHCO3
D:分散质粒子的直径:Fe(OH)3悬浊液>Fe(OH)3胶体>FeCl3溶液
对抛物线y=-x2+2x-3而言,下列结论正确的是( )
《共产党宣言》的发表标志着( )
— . There were good things and bad things about them.