单项选择题

A．So that the chicks can be examined in a sterile environment.
B．So that the chicks don’t become dependent on human.
C．So that they are protected from scratches by the crane’s talons.
D．So that they aren’t exposed to infectious diseases.
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单项选择题
A．At a warehouse.B．In a shopping cafeteria.C．At the campus cafeteria.D．At the museum entrance.
A．At a warehouse.
B．In a shopping cafeteria.
C．At the campus cafeteria.
D．At the museum entrance.
单项选择题
A．It was getting dark.B．He was afraid of being blamed by his friend.C．The birds might have flown away.D．His friend would arrive any time.
A．It was getting dark.
B．He was afraid of being blamed by his friend.
C．The birds might have flown away.
D．His friend would arrive any time.
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