受伤24h的膝关节开放性伤口，应采取（）
A．清创及一期缝合
B．清创及延期缝合
C．清创后不予缝合
D．清创及植皮
E．无须清创
参考答案：A
利杜体的寄生部位是（）
A.红细胞
B.巨噬细胞
C.肝细胞
D.淋巴结
E.肌肉
________it is a good thing I did not get the post I had applied for，though I must admit that I was disappointed at the time.
A．By the way
B．In a way
C．In the way
D．In no way
