单项选择题

What is the author's main purpose

A．To make the point that animal emotions are worth our attention.
B．To explain what reflexive behaviors are.
C．To compare human emotions with animal emotions.
D．To discuss the importance of emotions.

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热门试题

单项选择题

Many evolutionary biologists believe that

A．emotions do not exist.
B．emotions contribute to survival.
C．emotions serve no other purpose than giving meaning and depth to life.
D．only humans are capable of emotions.

单项选择题

To study animal emotions, scientists should

A．set up improved and refined skillful experiments.
B．analyze human emotional.
C．distinguish what is emotional and what is conditioned.
D．learn from animal behaviorists.