单项选择题

The American Automobile Association Foundation for Traffic Safety plans to ______.

A．try out the Japanese method in certain areas
B．change the road signs across the country
C．replace straight, horizontal bars with chevrons
D．repeat the Japanese road patterns
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单项选择题
The passage mainly discusses ______.
A．a new way of highway speed control
B．a new pattern for painting highways
C．a new approach to training drivers
D．a new type of optical illusion
单项选择题
On roads painted with chevrons drivers tend to feel that ______.
A．they should avoid speed-related hazards
B．they are driving in the wrong lane
C．they should slow down their speed
D．they are approaching the speed limit
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