肺纤维化（）
A.残气容积减少
B.肺总量增多
C.氧离曲线右移
D.氧离曲线左移
E.PaO正常
参考答案：A
Can Tom and his father ________? [ ]
A. swimming
B. swim
C. to swim
D. swims
胫骨有（）
A.桡切迹
B.尺切迹
C.颈静脉切迹
D.桡神经沟
E.腓切迹
正常
正常