内源性与外源性凝血途径的根本区别在于()。
A. 参与的全部凝血因子都不同
B. 启动因子不同
C. 最后形成的凝血块不同
D. 内源性凝血不需要稳定因子
Maggie Kuhn travels across the United States in order to____elders.
A. collect money fo
B. show concerns for
C. find houses for
D. educate people to help
使血浆胶体渗透压升高的主要因素是()。
A. 血浆白蛋白增多
B. 血浆白蛋白减少
C. 血浆球蛋白增多
D. 血浆球蛋白减少
The specialist is_____.
A. a man whose job is to train other people
B. a man who has been trained in more than one field
C. a man who can see the forest rather than the trees
D. a man whose concern is mainly with technical or professional matters