损伤性血胸,胸腔穿刺抽出不凝血主要因为()
A.出血量少
B.心脏、肺和膈肌的去纤维蛋白作用
C.胸腔内负压
D.凝血功能障碍
E.胸壁运动
参考答案:B
--Excuse me, could you tell me the way to the British Museum?
---Sorry, I'm a stranger here.
---_______.
A.Thanks anyway
B.It doesn't matter
C.Never mind
D.No problem.
轻柴油储存温度()℃。
A、<35;
B、<50;
C、<40;
D、<90