高二生物,高手请解释!1.神经纤维兴奋时产生的电流是从兴奋部位流向未兴奋部位.(为什么错?)2.某成年人由于脑部受伤,留下了后遗症.他只能扶着墙高一脚、低一脚颤颤巍巍地走动,讲话口
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![高二生物,高手请解释!1.神经纤维兴奋时产生的电流是从兴奋部位流向未兴奋部位.(为什么错?)2.某成年人由于脑部受伤,留下了后遗症.他只能扶着墙高一脚、低一脚颤颤巍巍地走动,讲话口](/uploads/image/z/1605342-30-2.jpg?t=%E9%AB%98%E4%BA%8C%E7%94%9F%E7%89%A9%2C%E9%AB%98%E6%89%8B%E8%AF%B7%E8%A7%A3%E9%87%8A%211.%E7%A5%9E%E7%BB%8F%E7%BA%A4%E7%BB%B4%E5%85%B4%E5%A5%8B%E6%97%B6%E4%BA%A7%E7%94%9F%E7%9A%84%E7%94%B5%E6%B5%81%E6%98%AF%E4%BB%8E%E5%85%B4%E5%A5%8B%E9%83%A8%E4%BD%8D%E6%B5%81%E5%90%91%E6%9C%AA%E5%85%B4%E5%A5%8B%E9%83%A8%E4%BD%8D.%EF%BC%88%E4%B8%BA%E4%BB%80%E4%B9%88%E9%94%99%3F%EF%BC%892.%E6%9F%90%E6%88%90%E5%B9%B4%E4%BA%BA%E7%94%B1%E4%BA%8E%E8%84%91%E9%83%A8%E5%8F%97%E4%BC%A4%2C%E7%95%99%E4%B8%8B%E4%BA%86%E5%90%8E%E9%81%97%E7%97%87.%E4%BB%96%E5%8F%AA%E8%83%BD%E6%89%B6%E7%9D%80%E5%A2%99%E9%AB%98%E4%B8%80%E8%84%9A%E3%80%81%E4%BD%8E%E4%B8%80%E8%84%9A%E9%A2%A4%E9%A2%A4%E5%B7%8D%E5%B7%8D%E5%9C%B0%E8%B5%B0%E5%8A%A8%2C%E8%AE%B2%E8%AF%9D%E5%8F%A3)
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