单项选择题

The expression "ripple effect" (Line 6, Para. 1) most probably means " ______ ".

A．chain reaction
B．cumulative effect
C．immediate response
D．long-lasting impact
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单项选择题
The purpose of the federal needs analysis is to determine ______.
A．whether a family is on financial aid
B．how much of a family's income is discretionary
C．whether or not a family is below the poverty line
D．how much families should pay in state and local taxes
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