答案:A
It is true that knowledge_____ rather than being taught.
A.learns
B.learned
C.is learned
D.was learned
输血引起的荨麻疹属于()
A.Ⅰ型变态反应
B.Ⅱ型变态反应
C.Ⅲ型变态反应
D.迟发过敏反应
E.与变态反应无关