枸橼酸钠属于
A．体内抗凝血药B．体外抗凝血药C．体内、外抗凝血药D．抑制纤维蛋白溶解药E．促进纤维蛋白溶解药
参考答案：B
国际互联网不能提供的服务是
A．电子贸易
B．文件传输
C．网络浏览
D．安全维护
E．收发信件
— _______ do you think of the football match?
— It's perfect. It's more exciting than _______ match that I have ever watched.
A．How ; any other
B．How ; any others
C．What ; any other
D．What ; any others
