题目内容
（请给出正确答案）
Why does the author mention "the San Andreas Fault"？
A．To show a typical result of a convergent boundary.
B．To provide an example of a transform. boundary.
C．To reiterate a point about divergent boundaries.
D．To introduce a theory about transform. boundaries.
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更多“Why does the author mention "t…”相关的问题
Why does the author mention Oates's book Them？
A．It is a typical novel of the 1960's.
B．It is her best piece of nonfiction.
C．It is a fictional work based on the experiences of another person.
D．It is an autobiography.
Why does the author mention the Weddell Sea？
A．To show that this body of water has salinity variations.
B．To compare Antarctic waters with Arctic waters.
C．To give an example of cold-water salinity.
D．To point out the location of deep waters.
Why does the author mention the high infant death rates in the last two paragraphs？
A．To illustrate the inefficiency of the Government.
B．As the data of Helen Christensen's research project.
C．To illustrate the difficult pregnancy and motherhood.
D．As the result of mothers' absent-mindedness and tiredness.
Why does the author use the saying "Knowledge is power" in the passage？
A．Because the saying is the truest of all other sayings.
B．Because the author wants to emphasize the importance of the information explosion.
C．Because knowledge is more important than power in the information era.
D．Because knowledge equals to information in modern times.
Why does the author mention Florence Nightingale？
A．To describe the career of a pioneer of nursing education.
B．To show that women doctors supported the effort to upgrade nursing.
C．To prove that conditions differed in military and civilian hospitals.
D．To show the similarity of her means to those used by United States reformers.
Why does the author mention immigration and emigration in paragraph 8？
A．To identify factors affecting population dispersion
B．To give examples of territorial behavior. in animals
C．To show that populations balance themselves over time
D．To explain why animal populations are uniformly dispersed
Why does the author mention Columbia University in lines 9 and 10？
A．Hazen and Brown developed nystatin there.
B．Brown was educated there.
C．Hazen did research there.
D．It awarded a prize to Hazen and Brown.
