Ⅰ型变态反应:()
A.链球菌感染后肾小球肾炎
B.全身青霉素过敏
C.ABO血型不合所致的新生儿溶血病
D.支气管肺炎
E.同种移植排斥反应
参考答案:B
— Jane was an hour late this morning.
— I noticed she left her home early.
A.How come?
B.Never mind.
C.Why not?
D.All right.
学校组织春游,安排九年级三辆车,小王和小菲都可以从三辆车中任选一辆搭乘,则小王和小菲乘同一辆车的概率是______.