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Section B
Passage One

A．Black doctors weren’t allowed to use medical equipment.
B．Black doctors were hated by patients.
C．Blacks weren’t allowed to do operations.
D．No black doctors could operate on white patients.
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单项选择题A．The scientists know it is definitely getting smaller.B．The scientists know it is near extinct.C．The scientists still do not know.D．The scientists think it is rebounding slightly.

A．The scientists know it is definitely getting smaller.
B．The scientists know it is near extinct.
C．The scientists still do not know.
D．The scientists think it is rebounding slightly.

单项选择题A．Tall enough for them to build nests.B．Short so that birds can find.C．It doesn’t matter since all birds like both.D．It depends on the kind of bird.

A．Tall enough for them to build nests.
B．Short so that birds can find.
C．It doesn’t matter since all birds like both.
D．It depends on the kind of bird.