单项选择题

Human behavior is mostly a product of learning, whereas the behavior of an animal depends mainly on________.

A．consciousness
B．impulse
C．instinct
D．response
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单项选择题
A beautiful autumn day like this ________for the wet summer we have had.
A．compensates
B．revenges
C．balances
D．compels
单项选择题
During the business intervals, customers appreciate the guest rooms which are full of pictures and other beautiful________
A．imitations
B．illustrations
C．ornaments
D．implementations
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