问题
单项选择题
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
答案
参考答案：D
解析：这也是一道词义辨析题，passionate 意为“热烈的：充满激情的”，符合题意；vulnerable adj.意为“易受攻击的．易受……的攻击”：rational adj意为“理性的，合理的，推理的”：careless adj 意为“粗心的，疏忽的“。