已知集合,则()
A.A
B.B
C.C
D.D
参考答案:D
组织因子途径抑制因子()
A.参与止血过程
B.参与凝血过程
C.参与纤溶抑制过程
D.参与纤溶激活过程
E.参与抗凝过程
He went to America with his family _____ the age of eight. [ ]
A. at
B. in
C. on
D. with