题目内容
(请给出正确答案)
[主观题]
Although scientists have long ______ the human appendix as ______ organ, there is a growin
g body of evidence indicating that the appendix does in fact have a significant function as a part of the body's immune system.
A.overestimated ... a minor
B.discounted ... a vestigial
C.valued ... a major
D.ignored ... a pivotal
E.studied ... an inaccessible
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