单项选择题
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．overestimated ... a minor B．discounted ... a vestigial C．valued ... a major D．ignored ... a pivotal E．studied ... an inaccessible
单项选择题 肾虚、水饮证的面色变化为（）
单项选择题 目标定价法所确定的单位价格为（）。
单项选择题 在溶血反应中，当凝集的红细胞溶解，大量的血红蛋白进入血浆中时所出现的典型症状是（）
