特发性血小板减少性紫癜的诊断依据不包括()
A.血小板寿命缩短
B.血小板减少
C.APTT延长
D.骨髓巨核细胞增多并成熟障碍
E.脾不大或轻度肿大
参考答案:C
-How do the students in your school go to school every day?
-Most of them go to school _______the school bus.[ ]
A. by
B. from
C. at
D. on
车辆的结构可以通过专业维修厂任意改造。