41.   Security was stepped up to unprecedented levels in Israel to protect mourners in Tel Aviv and government officials in Jerusalem.

42.   Senate candidates are raising and spending money at unprecedented levels.

43.   Saturn inspired that kind of devotion through customer service, raised to unprecedented levels for midpriced cars.

44.   Steve Spurrier has lifted his school to an unprecedented level of football success.

45.   Still, many officials say, cooperation between local, state and federal officials has risen to unprecedented levels.

46.   Successes in biotechnology in both Britain and the U.S. have pushed share prices to unprecedented levels.

47.   Television ratings have shot up dramatically for ABC and to unprecedented levels for ESPN.

48.   That buying has driven U.S. stocks, especially technology stocks, to unprecedented levels.

49.   The Americans, who have reached an unprecedented level of popularity after an intense marketing effort, were efficient from the start.

50.   The ardor among companies worldwide to acquire one another grew to unprecedented levels.