单项选择题

Where was the experiment carried out

A．In a crowded street.
B．In a laboratory.
C．At crossroads.
D．At a police station.
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单项选择题
What caused the scientists of Sydney University to conduct the investigation
A．A chance encounter with music-playing cars.
B．A proposal by the European Congress of Psychology.
C．An experience of traveling in music-playing vehicles.
D．The growing number of traffic accidents.
单项选择题
Which of the following is the best title of this passage
A．Music and Psychology
B．Music -- a New Cause of Traffic Accidents
C．How to Drive Safely
D．Musical Effect on Drivers
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