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我搞清了。真费劲，考试这样的话，就麻烦了。还是要用有关无关快速斩乱麻才行，即使不对也没有办法了，谁叫自己理解能力差。 Which of the following most logically completes the passage?
Appendicitis (inflammation of the appendix) is potentially fatal; consequently, patients with symptoms strongly suggesting appendicitis almost always have their appendix removed. The appropriate surgery is low-risk but performed unnecessarily in about 20 percent of all cases. A newly developed internal scan for appendicitis is highly accurate, producing two misdiagnoses for every 98 correct diagnoses. Clearly, using this test, doctors can largely avoid unnecessary removals of the appendix without, however, performing any fewer necessary ones than before, since ______. 阑尾炎有潜在的致命危险；因此，有症状病人被建议切除阑尾。虽然手术风险很低，但是大约有20%的手术是不必要的。一个新的阑尾扫描技术可高度的准确检查。每98个正确诊断才产生2个误诊。很明显，使用这种手术，医生能够极大地避免不必要的切除手术。However, 比以前少了一些该做的，而没有做手术的案例。因为：(答案要在逻辑上能和文章接起来）_________
- the patients who are correctly diagnosed with this test as not having appendicitis invariably have medical conditions that are much less serious than appendicitis
讲什么药物治疗，没有那么严重等等，无关。
B. the misdiagnoses produced by this test are always instances of attributing appendicitis to someone who does not, in fact, have it 被新的方法错误诊断的那些人是那些诊断出没有阑尾的人，实际上他们是有阑尾炎的。（与文章最后衔接上。以前是102个手术，只有100个是该做的。现在是100各该做的只有98个作了。这样比以前少了一些该做的） C. all of the patients who are diagnosed with this test as having appendicitis do, in fact, have appendicitis 所有新的方法诊断出有阑尾的人，实际上都有阑尾。 D. every patient who is diagnosed with this test as having appendicitis has more than one of the symptoms generally associated with appendicitis 新的测试方法测试出有阑尾的每一个病人有一个以上的症状，（与诊断错对没有关系，与结论无关，错） E. the only patients who are misdiagnosed using this test are patients who lack one or more of the symptoms that are generally associated with appendicitis 被错误诊断的那个病人是缺少一个以上的症状blabla.....错
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发表于 2007-2-15 05:50:00
