肺下界移动度最大的部位是
A．腋前线及腋中线
B．肩胛线及腋后线
C．锁骨中线及腋后线
D．腋中线及腋后线
E．胸骨旁线及肩胛线
参考答案：D
A young man _______ glasses came _______ the office. He had an old bag _______ his arm. [ ]
A. without; in; in
B. with; into; under
C. in; out of; under
D. with; in; on
尖轨尖端与基本轨或可动心轨尖端与翼轨不靠贴大于（）时，应及时修理或更换。
A.1mm
B.2mm
C.0.5mm
D.1.5mm
