单项选择题

The remarkable （） of life on the Galapagos Islands inspired Charles Darwin to establish his theory of evolution.

A．classification
B．variety
C．density
D．diversion

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单项选择题
It was a small country house, but it was large （）urban standards.

A．at
B．for
C．by
D．from
单项选择题
She made two copies of this poem and posted them（）to different publishers.

A．sensationally
B．simultaneously
C．strenuously
D．simply
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