【单选题】在直流电作用下,组织的兴奋性发生改变,阳极下兴奋性( ),阴极下兴奋性( )。
【单选题】Florence Nightingale was born into a rich
【单选题】在直流电作用下,组织的兴奋性会发生改变,阳极下的兴奋性(),阴极下的兴奋性()。
【单选题】The rich man __________a hospital and a school in the town where he was born.
【简答题】阅读理解 Animals are more like us than we ever imagined . They feel pain, they experience stress, they show affection, excitement and love . All these findings have been made by scientists in recent years...
【简答题】在直流电作用下,组织的兴奋性发生改变,阳极下兴奋性___、阴极下兴奋性 。
【单选题】在直流电作用下,组织的兴奋性发生改变,阳极下兴奋性(),阴极下兴奋性()
【单选题】From the article, we can guess the author was ______.