胸膜摩擦音听诊最清楚的部位是()
A.前下侧胸壁
B.双上前胸
C.双下背部
D.双侧腋中线
E.双肺尖
参考答案:A
Every month he measures his baby daughter against the wall to see how much ____ she is getting.
A.tall
B.the taller
C.taller
D.tallest
发电机皮带松紧度应调整适中,即在发电机与风扇皮带轮的中点垂直加39N的力,皮带挠度为()。
A、5~10mm
B、10~15mm
C、15~20mm
D、20~25mm