肩关节前后位摄影，中心线应对准（）
A.肱骨头
B.喙突
C.喙突下2cm
D.喙突上5cm
E.肩锁关节
参考答案：B
—Where are you going, Jack?
—I’m going to _______ the English corner. Would you like to _______ me?
—I’m afraid I can’t.
A．take part in; join
B．join; take part in
C．join; join in
D．join in; take part in
生物转运过程是指
A．吸收、分布、代谢B．吸收、分布、排泄C．分布、代谢、排泄D．吸收、代谢E．代谢、排泄
