We might know more than the past great makers because they left us what they knew.
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By reading books, we can know lives we can't live and worlds we can't travel.
A. 对
B. 错
The function of the teaching faculty is to help students find books in the college storehouse.
A. 对
B. 错
在有机酸摩尔质量的测定实验中，原理、指示剂、终点颜色分别是
A. 酸碱滴定、酚酞、微红色
B. 氧化还原滴定、淀粉、蓝色
C. 酸碱滴定、甲基红、红色
D. 高锰酸钾法、高锰酸钾、粉红色
下列酸不能被0.1 mol/L氢氧化钠准确滴定的是
A. 0.1 mol/LHCl
B. pKa =4.0
C. pKa =9.0
D. pKa =6.0
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