填空题

For some educators, there is nothing wrong with fun and games. A group called the Education Arcade recently held a (36) in Los Angeles to discuss the future of educational games, and it brings together (37) game designers, publishers, teachers and policymakers. The Education Arcade (38) at the Massachusetts Institute of Technology, near Boston. Professors (39) with the Microsoft Company to create what they called the Games-to-Teach Project. The group began to explore (40) to use technology in teaching and learning. They worked with game designers to develop ideas about how mathematics and science could (41) with game playing. The group recently (42) that a "Games for Learning" statement will be placed on some products. The goal is to help people find games that are (43) but will also teach. The Entertainment Software Association says (44) . Sales of such games in the United States grew eight percent last year,to seven-thousand-million dollars. Experts say developing a successful computer game can take millions of dollars and years of work. (45) . Still, companies have been creating systems like hand-held educational devices made by LeapFrog. (46) . For example, M. I. T. is developing a game so that players will get to experience the American Revolution online.