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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热门试题

单项选择题

Biometric technology is less reliable because______.

A．it always breaks down at airport when it's supposed to work
B．t can't recognize the changes on faces, finger prints and irises
C．there's no reliable system that can recognize faces, finger prints and irises
D．it's useless when the faces, fingerprints or irises are unknown to the system

单项选择题

The tiny computer contained in the passports is supposed to be activated by______.

A．its internal power supply
B．its tiny antenna
C．a radio signal's wave
D．a specially designed reader