在教学过程中,各种因素都不是一成不变的,随时都有可能出现意想不到的情况。如何处理好突如其来的问题,是对教师应变能力的考验。如果问题化解得巧妙,不仅能使教师迅速摆脱窘境,还会得到学生的敬佩;相反,教师如果不能迅速地控制局面 In the teaching process, various factors are not static, at any time may appear unexpected situation. How to deal with sudden problems is the test of teachers’ adaptability. If the problem is solved cleverly, not only can teachers quickly get out of their predicament, but also get the students’ admiration; on the contrary, teachers can not quickly control the situation