尿激酶()
A.抑制血小板聚集
B.抑制凝血酶的产生和活性
C.纤溶激活剂
D.抑制X因子合成
E.单纯灭活凝血酶
参考答案:C
He found his uncle the reading of a workers newspaper.
A.absorbing
B.absorbed
C.buried
D.absorbed in
在港内航行和作业的拖轮,可以实行()
A、单航次签证
B、定期签证
C、每天签证
D、月度签证