GWD21-Q4:
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 ______.
最后一句话doctors can largely avoid unnecessary removals of the appendix without, however, performing any fewer necessary ones than before，是什么意思？？？尤其是without performing any fewer necessary ones than before是什么意思？？？作者: Lhitachii 时间: 2013-3-8 22:17
without performing any fewer necessary removals of the appendix than before作者: ximenheng 时间: 2013-3-9 10:18
