In the first paragraph, the author discusses the economic treatment behind altruism in order to______.
A. treat it in a sociological perspective instead
B. demonstrate that the economic view of man is insufficient
C. argue that altruism is really a form. of self-interest
D. introduce his argument that charity is part of humanity
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EN-DC中，MCG进行NR邻区测量使用的参考信号 ()
ASSB RS
BCSI-RS
CC-RS
DDM-RS
Which of the following best summarizes the text？
A. Lots of animals learn, but smarter isn"t better.
B. Humans pay hidden costs for learning.
C. Learning has dangerous side effects to animals.
D. Animals learn to adapt to changing environment.
The underlined word in Paragraph 6 refers to______.
A. agreement
B. conclusion
C. balance
D. equality
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