金属离子
浓度
(mmol/L)
相对活性(%)
草鱼
鮰鱼
鳝鱼
Na+
30
100.83
101.47
96.03
Zn2+
1
112.38
116.06
158.13
Ca2+
5
65.21
96.18
88.18
ACP在不同浓度金属离子中的相对活性
Mrs Smith's living room is large. There is a television in the room. The television is near the window. There are some magazines on the television. There is a table in the room. There are some newspapers on the table. There are some armchairs in the room. The armchairs are near the table. There is a stereo in the room. The stereo is near the door. Mrs Smith often listens to music from it.
依次填入下面一段文字中横线处的词语,最恰当的一组是( )
从信息角度看,真话和假话同样可以具有最大的信息量。______从社会角度看,______具有一定信息量而又切题的真话,______有可能获得最佳表达效果,具有一定信息量而又切题的假话,其表达效果等于零。这是人所皆知的常识,______是言语表达的最重要的原则之一。
①诞生原始生命②形成有机小分子物质③构成独立的体系④形成有机大分子.