代转牺牲阳极外行为带状，增加了单位质量阳极的输出，适应（）的环境。
A.更地电阻率
B.更高电阻率
C.更低氯离子浓度
D.更高氯离子浓度
参考答案：B
They were all pleased with _____ them. [ ]
A. what you said
B. what did you say
C. what you had told
D. what you had spoke
试论艺术创造的主要心理因素。
