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27.What can be a suggestion from Adison Smith?A.Citizens should avoid keeping ducks.B.Schools should stop their hatching projects.C.People shouldn't dump their ducks in the wild.D.The choice for presents on Easter should be diverse.CResearchers from Carnegie Mellon University have demonstrated a more effective way tosupport learning and increase engagement.They used artificial intelligence to create a newgenre of interactive,hands-on exhibits that includes an intelligent,virtual assistant to interactwith visitors.When the researchers compared their intelligent exhibit to a traditional one,they found thatthe intelligent exhibit increased learning and the time spent at the exhibit."Having artificialintelligence and computer vision turned the play into learning,"said Nesra Yannier,head of theproject,who called the results "purposeful play."Earthquake tables are popular exhibits.In a typical example,kids build towers and thenwatch them tumble on a shaking table.Signs around the exhibit try to engage kids in thinkingabout science as they play,but it is not clear how well these work or how often they are evenread.Yannier led a team of researchers that built an Al-enhanced earthquake table outfitted with acamera,touchscreen,large display and an intelligent agent,NoRilla,that replaced the signs.NoRilla ---a virtual gorilla ---interacts with participants,taking them through differentchallenges and asking questions about why towers did or didn't fall along the way and helpingthem make scientific discoveries.The pre-and post-tests and surveys revealed that children learned significantly more fromthe Al-enhanced intelligent science exhibit compared to the traditional exhibit while havingjust as much fun.Their experiment at the Science Center also showed that people spent aboutsix minutes at the intelligent exhibit,four times the 90-second average of the traditional one."This research will have lasting implications for future exhibit experiences at the ScienceCenter,"said Jason Brown,the Henry Buhl Jr.director of the Carnegie Science Center."Creating hands-on fun and inspirational exhibit experiences that scaffold science,technology,engineering or mathematics learning and discovery is what positions us as one of the mostunique museums in the region."28.What can we learn about AI enhanced intelligent science exhibits?A.They require more action than thinking.B.They're less interactive and instructional.C.They're more like demanding learning activities.D.They increase the time people spent at the exhibits.第5页共10页