There are 63 participants in an acitivity, among which 20 are freshmen, 25 are sophomores, 10 are juniors and 8 are seniors. If we treat the grade (year) as an attribute of the participants, what is the mode of the attribute?
【简答题】What’s a smile? What does a smile 1 like? Does anyone know the answers? But I can say it’s like a flower with a pleasant scent( 香味 ). Our smile can make people get 2 to see inside you. That’s the powe...