胸膜腔内积血不易凝固的原因是( )。
A.心跳运动
B.肺脏的呼吸运动
C.膈肌的运动
D.胸膜腔内的负压
E.肺组织受压后萎缩
参考答案:A,B,C
解析: 损伤性血胸
改错。
( ) 1. I live near from school. ________________
A B C D
( ) 2. I drive my bicycle. ________________
( ) 3. Is this a bus and a truck? ________________
( ) 4. I live in a house in Ninth Avenue. ________________
( ) 5. Where are you live? ________________
( ) 6. This is a apartment. ________________
( ) 7. Can you play and me today? ________________
下面哪些部件与自动刹车系统无关()
A.自动刹车控制组件
B.轮速传感器
C.速度刹车预位电门
D.正常刹车计量活门