Though science is often imagined as a disinterested subject, scientists are no different from anyone else: they are ______ human beings enmeshed (陷入:卷入) in a web of personal and social circumstances.
A. vulnerable B. rational C. careless D. passionate

中性粒细胞反应性增多最常见的原因不包括

A．急性白血病
B．急性感染
C．急性失血
D．急性溶血
E．恶性肿瘤