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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Year after year a dedicated Swedish chemist worked to find a substance which, when (1)_____ nitroglycerine(硝化甘油), would make explosives safer to handle (2)_____ weakening their force. He had a persona...
A.
mixing with
B.
mixed with
C.
was mixing with
D.
was mixed with
【单选题】肩关节正位摄影，以下错误的是（）。
A.
被检侧上肢稍外旋
B.
肩部紧贴暗盒
C.
肩胛骨喙突置于暗盒中心
D.
影像显示肩关节盂前后重合，成切线位显示，关节间隙显示清晰
E.
肱骨小结节位于肱骨头内1／3显示