单项选择题

A．By digging site.
B．By reconstructing skeletons.
C．By observing them closely.
D．By living with them.
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单项选择题
A．To attend a conference.B．To sec tile planetarium.C．To change planes.D．To go sightseein
A．To attend a conference.
B．To sec tile planetarium.
C．To change planes.
D．To go sightseein
单项选择题
A．Alex doesn’t need a scholarship.B．Alex doesn’t have much money.C．Alex doesn’t know how to apply.D．Alex isn’t applying for a scholarship.
A．Alex doesn’t need a scholarship.
B．Alex doesn’t have much money.
C．Alex doesn’t know how to apply.
D．Alex isn’t applying for a scholarship.
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