单项选择题

The reason why studying the nature of human beings is popular is that ______.

A．the scale and scope of it is unprecedented
B．it is useful for determining policy
C．it is still an area of great mystery
D．there are so many best selling books about it

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热门试题

单项选择题

According to the text, the problem that the scale of the study of human nature brought is ______.

A．that it is mysterious
B．insights lead to more questions and mystery
C．it is almost always used for the wrong purposes
D．there are too many competing theories

单项选择题

Scientists are responsible for people who hold harmful beliefs about human nature because ______.

A．the theories of scientists are used as justification for such harmful beliefs
B．only through science can these people be refuted
C．they have an obligation to correct their mistakes
D．scientists are the ones who know the true nature of humankind