开放性气胸最有意义的体征是()
A.伤侧胸壁叩诊呈鼓音
B.每次呼吸时,有气流通过伤口
C.气管向健侧移位
D.听诊呼吸音消失
E.广泛性进行性皮下气肿
参考答案:D
Agricultural officials this week said strict control measures are in place, ____ to prevent the red
fireants spreading across the country. [ ]
A. intended
B. to intend
C. to be intended
D. having intended
在顺序表(2,5,7,10,13,17,18,22,24,27,30)中,采用二分法查找法查找关键码值11,所需的关键码比较次数为( )。
A.2
B.3
C.4
D.5