兴奋可通过突触联系在神经元之间进行双向传播。
参考答案:错
I didn't go to see the film last night because I it. [ ]
A. have seen
B. saw
C. had seen
D. would see
教育对文化发展的促进作用表现为教育可以()
A.保存、传递支化
B.传播和普及文化
C.强化和弱化文化
D.发展和创新文化
E.选择和评价文化