答案:B
血液凝固的阶段包括()
A.凝血活酶(凝血活酶复合物)形成
B.凝血酶形成
C.纤维蛋白形成
D.纤维蛋白降解产物形成
E.FDP形成
There is _______ basketball here. Do you like playing _______ baseball?[ ]
A. a; a
B. a; /
C. the; the
D. a; the