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 见第五段“A surgeon can remove a long section of diseased intestine and sew the remaining intestinal sections together.”外科医生可以切除一长段患病的小肠然后把剩下的两段缝合起来。
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