在“岁饥,浙有司下遏粜令”中,“有司”之义为()
A.专职官吏
B.官名
C.人名
D.官署名
参考答案:A
Mr. Smith didn’t understand _____ made his son so upset that evening.
A.what was it
B.why it was this
C.how that was
D.what it was that
女,14岁,月经量增多9个月,2周来牙龈出血,下肢散在出血点及瘀斑。血常规Hb85g/L,WBC5.6×109/L.PLT32×109/L。
初步诊断为原发性血小板减少性紫癜,下列哪项检查对诊断最有帮助()
A.束臂试验阳性
B.血小板抗体阳性
C.骨髓增生活跃,巨核细胞增多,且有成熟抑制
D.出血时间延长
E.血块收缩不良