考博考试

根据网考网考试中心的统计分析，以下试题在2018/7/15日考博习题练习中，答错率较高，为：57%
【单选题】 According to this passage, research in this area is characterized as ______.
A．empirically observable
B．often impossible to observe directly
C．poorly defined in the research literature to date
D．easier to theorize about than to carry out directly

网考网参考答案：B，答错率：57%
网考网试题解析：
从第四段中“it is not possible to observe directly...”可知。 查看试题解析出处>>