单项选择题

A．It monitors the signals transmitted from the driver’s brain.
B．It can measure the driver’s alcohol level in the blood.
C．It can quicken the driver’s response to emergencies.
D．It bases its analysis on the driver’s heart beat.
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单项选择题
A．The man has changed his destination.B．The man is returning his ticket.C．The man can’t manage to get to Los Angeles as planned.D．The man is flying to Los Angeles tomorrow morning.
A．The man has changed his destination.
B．The man is returning his ticket.
C．The man can’t manage to get to Los Angeles as planned.
D．The man is flying to Los Angeles tomorrow morning.
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Why will ten cats spend some days in a store window
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