单项选择题

What is the chief purpose of the passage

A．To propose new fields in brain research.
B．To outline the research findings on the brain structure.
C．To discuss the various causes of structural differences in brain.
D．To explain the relationship between gender and brain structure.

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热门试题

单项选择题

According to the passage, brain differences are caused by ______ factors.

A．biological
B．psychological
C．mental
D．social

单项选择题

In the last paragraph, the author suggests more work on ______

A．the brain structure as a whole
B．the differences between men and women
C．the functioning of parts of the brain
D．the effects of the trunk line