单项选择题

A．Experimental medicines.
B．Special treatment centers.
C．Flexible work schedule.
D．Innovative physical exercise.
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单项选择题
A．He appreciates her concern.B．He is indifferent.C．He does not like it.D．He cannot understand it.
A．He appreciates her concern.
B．He is indifferent.
C．He does not like it.
D．He cannot understand it.
单项选择题
A．Ways to control New York’s population.B．The growth of New York’s population.C．The structure of New York’s population.D．Ways to increase New York’s population.
A．Ways to control New York’s population.
B．The growth of New York’s population.
C．The structure of New York’s population.
D．Ways to increase New York’s population.
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