血管损伤后止血栓能正确定位于损伤部位有赖于血小板的哪项特性()
A.粘附
B.聚集
C.收缩
D.吸附
E.释放
参考答案:A
The opening ceremony of the 29th Beijing Olympic Games was _____ that everybody was greatly
impressed_____ it. [ ]
A. a such big success; at
B. such a big success; on
C. a so big success; by
D. so big a success, with
防火墙是基于状态检测的防火墙,防火墙在会话建立期间检测数据包的内容有:()。
A.源/目的地址-源/目的端口-协议号
B.源/目的MAC地址
C.Syn-Fin-Reset等标志位
D.序列号