单项选择题

This passage is probably _______.

A．a newspaper advertisement
B．a chapter of a novel
C．an excerpt from a textbook
D．a scientific report of new findings
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单项选择题
According to the second paragraph, the formation of the Atlantic Ocean is the example of _______.
A．spreading contacts
B．the influence of volcanic eruptions
C．converging contacts
D．transform contacts
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