11.   But few studies have examined the effects of long-term cultural shifts on disordered eating in traditional societies.

12.   But he defended his conservative shift on affirmative action.

13.   But it may take an attitude shift on the topic of discipline.

14.   But his shifts on the ice were brief.

15.   But predicting the effect of the demographic shifts on issues like unemployment is a hazardous business.

16.   By the time the petitions are submitted, all the signatures will have been checked against voter rolls by volunteers working in three shifts on rented and borrowed computers.

17.   By then, the precinct had received a new captain and a new head of the midnight shift, the shift on which most of the problems had occurred.

18.   Cheryl Hageman said her husband vomited on the way home recently after spending his shift on a stifling-hot train.

19.   Denis and eight other inmates sleep in shifts on the six bunks in his tiny cell.

20.   Divers on the Grasp, a Navy ship moored over the main wreckage field, skipped the noon-to-midnight shift on Sunday.