搜题请搜索小程序“爱下问搜题”
问题
选择题
周围神经系统是由_______组成。 [ ]
A．脑神经，脊神经和运动神经
B．脑、脊髓和神经
C．运动神经纤维和感觉神经纤维
D．脑神经和脊神经
答案
答案：
D
选择题
Today we have too many choices of communication through advanced technology, but we seem
the joy of communicating face to face.
A. losing
B. to be losing
C. to be lost
D. having lost
查看答案
名词解释
热缩
查看答案
