A:醋酸
B:乙醇
C:硝酸
D:FeCl3溶液
( )÷5=3……2中,被除数是( )。
Unlike a film, __________ a passive audience watches and hears __________ is happening on the screen, Real Cine puts you into the action and connects with your senses of sight, smell and touch in an active way.
成分(mmol/L)
Na+
K+
Ca2+
Mg2+
Cl﹣
有机酸
蛋白质
①
142
5.0
2.5
1.5
103.3
6.0
16.0
②
147
4.0
1.25
1.0
114.0
7.5
③
10
140
10.35
25
﹣
47