____(尽管) what others might have thought, I was not running away from something but to something.
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Instead of reading novels and calling home regularly, I took the time to ____(参加) different activities that would make me change.
I believed ____(真心实意地) that I could change, if only I could find a quiet place to sort things out and experiment with new ways of thinking and acting.
心室肌细胞动作电位的2期复极形成与下列哪种因素有关
A. Na+内流与Ca2+内流
B. Na+内流与K+外流
C. K+外流与Ca2+内流
D. Ca2+内流与Cl-内流
快反应细胞与慢反应细胞的区别是哪一期的快慢
A. 0期去极
B. 1期复极
C. 2期复极
D. 3期复极