第5段落
'One recent study suggested that people who believe in superstitions actually seem
to have more bad luck than other people. ®For example, people who believe that
Friday the thirteenth is unlucky seem to have more accidents on that date. ®The
cause of this bad luck is not the date itself. Instead, say the researchers, people may
actually behave differently on that date. ® People who believe 13 is unlucky may feel