问题
选择题
_____ any failures, I have the courage to meet all challenges.[ ]
A. Having experienced
B. To experience
C. Experienced
D. Experience
答案
答案：A
搜题请搜索小程序“爱下问搜题”
_____ any failures, I have the courage to meet all challenges.[ ]
A. Having experienced
B. To experience
C. Experienced
D. Experience
答案：A
g KMnO4与12mol/L的浓HCl发生。反应方程式如下：2KMnO4＋ 16HCl ＝ 2KCl ＋ 2MnCl 2＋ 5Cl 2↑ ＋ 8H2O 通过计算解答以下问题：