判断题 中位数是一组数据的中间位置的数值。()
判断题 课堂问题行为的产生主要是由课堂内部因素引发的。()
未知题型 What is said about FutureFashion?A．It inspired many leading designers to start going green.B．It showed that designers using organic fabrics would go far.C．It served as an example of how fashion shows should be organized.D．It convinced the public that fashionable clothes should be made durable.