维生素K依赖的凝血因子包括
A.凝血因子Ⅱ、Ⅶ、Ⅺ、Ⅹ
B.凝血因子Ⅱ、Ⅷ、Ⅸ、Ⅹ
C.凝血因子Ⅱ、Ⅷ、Ⅸ、Ⅹ
D.凝血因子Ⅲ、Ⅶ、Ⅸ、Ⅹ
E.凝血因子Ⅱ、Ⅴ、Ⅸ、Ⅹ
参考答案:B
--Tom failed again in the driving test.
---Why not?Tom is ____ but a fool in driving.
A.nothing
B.anything
C.something
D.everythin
原初演替。