外源性凝血途径的始动因子是A．因子Ⅰ B．因子Ⅱ C．因子Ⅲ D．因子Ⅶ E．因子Ⅹ 发布时间：2017-05-24 00:31 │ 来源：www.tikuol.com 题型：单项选择题 问题： 外源性凝血途径的始动因子是A．因子ⅠB．因子ⅡC．因子ⅢD．因子ⅦE．因子Ⅹ
题型：单项选择题 用方框中所给单词的适当形式填空。early three buy excite close1. Please come to school a little ________ next time.2. Please keep the door ________.Don't open it.3. The ________ month is March.4. On my last holiday I ________some presents for my friend.5. We had an ________ holiday this year. 查看答案