投照肩关节喙突卧位前后位时,中心线应()
A.向脚侧倾斜15°~30°
B.向头侧倾斜5°~15°
C.与床面垂直
D.向头侧倾斜15°~30°
E.向头侧倾斜5°~15°
参考答案:D
----You’ve never seen him these years, _________ ?
----No, I_________. He _________ abroad since ten years ago.
A.have you, haven’t, has been
B.have you , haven’t, have gone
C.haven’t you, have, went
D.don’t you, don’t, goes
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