问题
选择题
I hope what I say will the situation. [ ]
A. clarify
B. clean
C. clear
D. claim
答案
答案：A
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I hope what I say will the situation. [ ]
A. clarify
B. clean
C. clear
D. claim
答案：A
2Fe2++I2设计成下图所示的原电池。下列判断不正确的是
