课堂教学好像是打棒球,教师是击球手,将球击出后,学生要主动接住球。如果把球击得过远,超过了学生能够接住的范围,抑或没有调动起学生接球的愿望,他们只是在原地等球,这样的课堂注定是要失败的。所以,高明的教育者,总是让受教育者自己去拿他想给的东西,甚至还会设计一些难度,需要“跳一跳”才能够得着。落球点必须在教师的控制范围内,在学生的活动范 Classroom teaching seems to play baseball, the teacher is a batter, hit the ball, the students should take the initiative to catch the ball. If the ball hit too far, beyond the scope of the students can catch, or did not mobilize the desire to catch the students, they are just waiting in the field, such a classroom is doomed to failure. Therefore, wise educators always let the educated themselves to get what he wants, and even designed some difficulty, you need to “jump” to be able to get. The point of falling must be within the control of the teacher and the activity of the student