诊断弥散性血管内凝血(DIC)最有意义的试验是()
A.凝血酶原时间
B.血小板计数
C.血浆FDP和D-D定量测定
D.纤维蛋白原定量
E.APTT
参考答案:C
结合实际.论述良好课堂管理的基本原则。
There are _____ people in the street. What has happened? [ ]
A. very a few
B. very many
C. so many
D. so much