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.
单项选择题
A．The city is a tourist attraction.B．Most visitors go to the city to see the British Museum.C．Buckingham Palace is the most attractive scenic spot to foreign visitors.D．The visitor will probably have no time to go to the theater in the evening.
A．The city is a tourist attraction.
B．Most visitors go to the city to see the British Museum.
C．Buckingham Palace is the most attractive scenic spot to foreign visitors.
D．The visitor will probably have no time to go to the theater in the evening.
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