科研之友
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<正>A woman driving a car got lost in a snowstorm. She remembered what her dad had once told her:"If you ever get stuck in a snowstorm,just wait for a snow plow truck to come by and follow it."Sure enough, pretty soon a snow plow came by, and she started to follow it. She followed the plow for about forty-five minutes. Finally the driver of the truck got out and asked
