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【参考答案】

look —looking
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填空题service ∧ well —as

填空题present —presented

填空题and ∧ latest —the

填空题taken —brought

单项选择题This passage is concerned with ______.

A．the revival of some North American and European CBDs
B．the problems facing the development of U.S. downtown areas
C．the moving pattern of the U.S. middle class
D．the possible solutions to the fiscal problems