—Is she your _______?
—Yes, she is. [ ]
A. aunt
B. brother
C. parent
D. father
答案:A
鼻石
传导深部钝痛的神经纤维是()
A.Aα纤维
B.Aβ纤维
C.Aб纤维
D.B类纤维
E.C类纤维