HOLLYWOOD, the world’s factory for turning out hot movies, has discovered its next big thing: family films. The industry made its biggest (36) last year from G-(General audience, 普通级) and PG-rated (Parental Guidance suggested, (家长指导级) movies. In the next few years it plans to (37) the nation’s screens with even more princesses, (38) , talking animals and bright school kids. It’s not hard to see why. "Ice Age", a computer-animated story about (39) between prehistoric animals, was (40) in March. It has earned more than US $ 140 million so far and is this year’s biggest surprise (41) . This follows several successful family films in 2001, when three of the top four (42) films("Harry Potter and the Philosopher’s Stone", "Shrek" and "Monsters, Inc. ") were rated G or PG. These successes showed Hollywood that movies about children, even animated ones, could (43) to parents as well as their children. (44) . Film industry insiders say that the new interest in family films is due to a number of factors. (45) . Americans are also looking for fun entertainment since September 11. And there is a new generation of film makers who are also parents. "(46) ,"said Glenn Ross, president of American company Artisan’s Family Home Entertainment.