急性血源性骨髓炎的发病部位最常见于
A．尺桡骨
B．肱骨、肩胛骨
C．胫骨、股骨
D．髋骨、骶骨
E．脊椎骨
参考答案：C
单采血小板终产品中白细胞混入量为____，红细胞混入量为____（）
A.≤2.5×108/袋，≤4.0×109/袋
B.≤5.0×109/袋，≤4.0×109/袋
C.≤2.5×109/袋，≤4.0×109/袋
D.≤5.0×109/袋，≤8.0×109/袋
E.≤5.0×108/袋，≤8.0×109/袋
By the time he went to the shop, all the clothes _____. [ ]
A. sold out
B. had sold out
C. had been sold out
