()躲在床底下的戚芳看见万震山穿着什么鞋? ["麻布鞋","登云鞋","双梁鞋","棉布鞋"]
已知V=100mL的某水样的总碱度Ao=9.2mmol/L,用酚酞作指示剂时消耗浓度为0.1mol/L硫酸a=5.5mL,问再用甲基红-亚甲基蓝指示剂时消耗浓度为0.1mol/L硫酸多少毫升?
()万圭认为戚芳盗书是为了何人? ["戚长发","狄云","吴坎","戚芳自己"]
()以下何人最擅长模仿别人说话? ["万震山","言达平","戚长发","花铁干"]
()戚芳引万震山父子出去,刚好谁经过,无意间替戚芳圆了谎? ["卜垣","吴坎","沈城","孙均"]
锅炉房耗用软化水量GRS=6t/h,采用钠型软化器流速W=30m/h,树脂层高度h=1.5m,求树脂用量GR=?