单项选择题

The author seems to disapprove of ______.

A．political leaders' attitude to civil defense
B．citizens' awareness of self-protection
C．businesses' emergency plan
D．preparations made for the times of crisis

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单项选择题

From the passage we know that the security measures taken by Metro are ______.

A．in the wake of the Madrid bomb blasts
B．not visible to the passengers or passers-by
C．extensive in its coverage of public areas
D．various ranging from the use of dogs to the access to FBI

单项选择题

This article most probably appears ______.

A．in Metro brochure
B．in a newspaper
C．in a transportation journal
D．in a police warning notice