In a telephone survey of more than 2,000 adults, 21% said they believed the sun revolved (旋转) around the earth. An __31__ 7% did not know which revolved around __32__ I have no doubt that __33__ all of these people were __34__ in school that the earth revolves around the sun; __35__ may even have written it __36__ a test. But they never __37__ their incorrect mental models of planetary (行星的) __38__ because their everyday observations didn’t support __39__ their teachers told them: People see the sun “moving” __40__ the sky as morning turns to night, the earth seems stationary (静止的) __41__ that is happening.