单项选择题

A．high prices
B．fatty foods
C．sanitation problems
D．poor nutrition
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单项选择题
A．at least 35B．at least 55C．nearly 100D．nearly 700
A．at least 35
B．at least 55
C．nearly 100
D．nearly 700
单项选择题
A．Inner-city children.B．Minority children.C．Handicapped children.D．Rural children.
A．Inner-city children.
B．Minority children.
C．Handicapped children.
D．Rural children.
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