问题
单项选择题
内源凝血途径的始动因子是下列哪一个（）。
A.Ⅷ
B.Ⅹ
C.Ⅻ
D.ⅩⅢ
E.因子Ⅸ
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
内源凝血途径的始动因子是下列哪一个（）。
A.Ⅷ
B.Ⅹ
C.Ⅻ
D.ⅩⅢ
E.因子Ⅸ
参考答案：C
A man and his friend were walking through the deser（沙漠）. During the trip they had a ___and the man hit his friend in the face. His friend was hurt, but without saying ____, he wrote in the sand, “Today my best friend hit me in the face.” They ____ on walking until they found a lake, where they decided to take a bath. The man’s friend fell into the lake and was in danger, but the man saved him. After he came back to life, he wrtoe on a ______ : “Today my best friend saved my life.” The man who had hit and ___his best friend asked, “______ I hurt you, you wrote in the sand and now , you wrote on a stone. Why?” His friend _____, “When someone hurts us, we should write it down in sand where wind can ____ it away. ___, when someone does something good for us, we must write it down in stone where it can ______ for ever.”
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