听力原文:M: I really like those abstract paintings we saw in the exhibition today. What did you think? W: I guess it's something I haven't acquired a taste for yet. What does the man imply? (18)
【判断题】In potentiometric titration if the electrode reaction may be (M n+ + ne- Mn) as the concentration of M n+ changes, the E cell changes correspondingly. Thus the potentiometric titration involves measur...