GRE考试

根据网考网考试中心的统计分析，以下试题在2018/5/2日GRE考试习题练习中，答错率较高，为：92%
【单选题】 Although scientists have______long the human appendix as______organ, there is a growing body of evidence indicating that the appendix does in fact have a significant function as a part of the body's immune system.
A．(A) overestimated … a minor
B．(B) discounted … a vestigial
C．(C) valued … a major
D．(D) ignored … a pivotal
E．(E) studied … an inaccessible

网考网参考答案：B，答错率：92%
网考网试题解析：
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