在当前的课堂教学中我们常见到这样一种现象 :教师为了充分调动每一位学生思维的积极性 ,对学生的发言总是及时地给予评价 ,或赞赏有加 :“你的发现不亚于哥伦布发现了新大陆。”“你真是太聪明了 ,比老师想得还要好……”或委婉引导 :“你想得真好 ,只是没有说到点子上。”“ In the current classroom teaching we often see such a phenomenon: Teachers in order to fully mobilize the enthusiasm of every student thinking, the students always give timely comments on the speech or appreciated: “Your findings no less than Columbus Found the New World. ”“ You're so smart, better than the teacher ... ”or euphemism guide:“ You think too good, but did not say on the idea. ”"