单项选择题

A．To have more knowledge about nature.
B．To put forward an explanation for birds’ abilities.
C．To better understand how a human brain processes information.
D．To better understand birds.
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单项选择题
A．12:45 p.m.B．1:30 p.m.C．2:00 p.m.D．2:15 p.m.
A．12:45 p.m.
B．1:30 p.m.
C．2:00 p.m.
D．2:15 p.m.
单项选择题
A．They felt surprised.B．They felt funny.C．They felt curious.D．They felt shocked.
A．They felt surprised.
B．They felt funny.
C．They felt curious.
D．They felt shocked.
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