单项选择题

What's the passage mainly about

A．American efforts in dealing with brown-fields.
B．The damage caused by brown-fields.
C．The consequence brought about by brown-fields.
D．Financial assistance and brown-fields.

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单项选择题

What does the passage mainly tell us

A．Priority should be given to environmental protection.
B．Economic growth and environmental protection are compatible.
C．Economic growth and environmental protection are incompatible.
D．Priority should be given to economic growt

单项选择题

The important relationship between environment and economy is most clearly reflected______.

A．in industry
B．in agriculture
C．in cities
D．in suburbs