第15题: [多项选择]关于血液凝固机制,下列说法正确的是()。 A. 正常人血液中参与血液凝固的因子共有14个 B. 参与内源凝血系统的凝血因子有FⅫ、Ⅺ、Ⅹ、Ⅷ、Ⅶ、Ⅴ、Fg和凝血酶原等 C. 可溶性纤维蛋能在FⅩⅢa的作用下转变成稳定的不溶性纤维蛋白 D. 硫酸钡吸附血浆中不含有Fg、Ⅶ、Ⅹ、Ⅴ等因子 E. Ⅱa可以激活凝血因子Ⅴ和Ⅷ 参考答案:C, E
第24题: [简答题]part 2 & 3A speech
Why do people feel nervous when delivering a speech
Who should give speeches to children
Describe an important conversation you had.
Are there any communication differences between males and females
Do you think communication skills are important 参考答案: