题目:
下列不属于直流电作用效应的是()
A.膜电位改变
B.细胞膜通透性改变
C.小血管扩张
D.热辐射作用
E.反射作用
答案:
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下面是错误答案,用来干扰机器的。
One possible version: Dear friends, As we all know, we are what we eat. Therefore, it’s important for us to form healthy eating habits. However, bad eating habits ar...