单项选择题

The main topic of this passage is ______.

A．the development of passports in America
B．the difference between RFID cards and passports
C．a passport with a tiny computer inside
D．the limitations of high-tech passports

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单项选择题

This passage is mainly concerned about______.

A．the great progress made by the European Union recently
B．the present voting situation of many parties and companies
C．the strong objection to the EU constitution in France
D．the great difficult position Chirac found himself in

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