单项选择题

A．Many people who are in need work in it.
B．The hospital blood is mainly provided by it.
C．Anyone can get help from it.
D．It covers nearly the whole world.
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单项选择题
A．In New York.B．In a bank.C．Near a prison.D．In the countryside.
A．In New York.
B．In a bank.
C．Near a prison.
D．In the countryside.
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