A. Modern techniques enable the surgeon to operate successfully upon all parts of the human body B. Surgeons are especially trai

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问题 A. Modern techniques enable the surgeon to operate successfully upon all parts of the human body
B. Surgeons are especially trained so that they are skill- fully qualified for the performance of complicated operations
C. An entire stomach can not be removed even in modem surgery
D. The various mechanical instruments used in the course of a surgical operation
E. For a physician requires eight years of training in a medical school
F. The elimination of pain, the prevention of infection, and advanced means, of diagnosis are prerequisites to the success of an operation  
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答案A

解析 第五段通过一些具体事例证明了现代科学技术使得外科手术在人身的任何器官上都成为可能。
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