一、注重质疑价值——选好质疑对象训练学生质疑,必须要有质疑的对象。在选择质疑对象时,一定要考虑它的实用价值,如果所质疑的内容没有多少锻炼的价值,就达不到质疑的目的。质疑“流行说法是否正确”的活动中,第一次试上时,我列举了前段时间社会上的流行说法:“食用碘盐防辐射”“日本核事故污染了海水,再用海水晒出的盐也受到了污染。”实事求是地说,刚出现这种说 First, pay attention to the value of doubt - select the object of questioning training Students questioned, we must have the object of questioning. In the choice of questioning objects, we must consider its practical value, if the content of the question does not have much exercise value, can not be questioned. When I first tried it, I cite the popular saying of the previous period: “eating iodized salt radiation protection” “Japan’s nuclear accident polluted the seawater and then Salt that has sun-dried from the sea is also polluted. ”To be realistic, just say this