2. 外语
  3. The need for a surgical operation, especially an emergency operation, almost always comes as a severe shock to the patient and h

The need for a surgical operation, especially an emergency operation, almost always comes as a severe shock to the patient and h

admin2015-12-31  191
问题     The need for a surgical operation, especially an emergency operation, almost always comes as a severe shock to the patient and his family. Despite modern advances most people still have an irrational fear of hospitals and anaesthetic. Patients do not often believe they really need surgery—cutting into a part of the body as opposed to treatment with drugs.
    In the early years of this century there was little specialization in surgery. A good surgeon was capable of performing almost every operation that had been devised up to that time. Today the situation is different. Operations are now being carried out that were not even dreamed of fifty years ago. The heart can be safely opened and its valves repaired. Clogged blood vessels can be cleaned out, and broken ones mended or replaced A lung, the whole stomach, or even part of the brain can be removed and still permit the patient to live a comfortable and satisfactory life. However, not every surgeon wants to, or is qualified to carry out every type of modern operation.
    The scope of surgery has increased remarkably in this century. Its safety has increased too. Deaths from most operations are about 20% of what they were in 1910 and surgery has been extended in many directions, for example, to certain types of birth defects in newborn babies, and, at the other end of the scale, to life-saving operations for the octogenarian (80岁至89岁之间的人).
    Many developments in modern surgery are almost incredible. They include the replacement of damaged blood vessels with simulated ones made of plastic; the replacement of heart valves with plastic substitutes; the transplanting of tissues such as the lens of the eye; the invention of the artificial kidney to clean the blood of poisons at regular intervals and the development of heart and lung machines to keep patients alive during very long operations. All these things open a hopeful vista for the future of surgery.
The word "vista" in the last line refers to______.
选项 A、support
B、prospect
C、history
D、visit
答案B
解析 本题为词汇题。应结合上下文和语法结构来判断词义。文中第四段主要说明新兴的人工合成材料在外科手术中的应用。结合文中最后一句：“All these things open a hopeful vista for the future of surgery．”我们可以推断出，此句的大意应为：所有这些东西(指人工器官或合成材料)为外科手术的未来开辟出一个光明的前景。B与此句中的“vista”一词相符。
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