单项选择题

According to the lecture, inflation means______.

A．cost of living
B．fixed income
C．real income
D．rising prices
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单项选择题
Single women with children suffer from different barriers EXCEPT______.
A．language
B．economic
C．cultural
D．food
单项选择题
Parents should______to prevent playground injures.
A．teach their children how to use the equipment
B．stop their children from climbing ladders
C．keep a watchful eye on their children
D．help maintain the equipment
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