单项选择题

A．To collect some materials about cultures of a certain area.
B．To write a topic about her senior paper.
C．To make a research about the Amazon River.
D．To research an incidence.
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单项选择题
A．The main character always dies in the end.B．The main character always changes a lot in the end.C．The main character remains the same throughout the story.D．The main character always get what he wants in the end.
A．The main character always dies in the end.
B．The main character always changes a lot in the end.
C．The main character remains the same throughout the story.
D．The main character always get what he wants in the end.
单项选择题
A．Bone.B．Stone.C．Hard wood.D．Metals.
A．Bone.
B．Stone.
C．Hard wood.
D．Metals.
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