正常凝血过程不能形成复合物的是()。
A.因子Ⅴ、Ⅷ
B.vWF
C.因子Ⅲ、Ⅶa、Ca2+
D.因子Ⅸ、Ⅺ、Ⅻ、Ca2+
E.因子Ⅻ、PK、HMWK
参考答案:D
Zheng He’s first stop during the expedition was in ________ is a part of Vietnam today.
A.where
B.what
C.which
D.that
佝偻病活动初期的主要表现是( )。
A.方颅B.肋骨串珠C.出牙延迟D.肌张力低下E.易激惹、多汗