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高考题多源于教材,高于教材,最后的落脚点还是教材,因此在高考复习中对教材题的把握尤为重要.教材中习题,例题多是浅显的,学生不重视,学生复习教材多浮于表面,流于形式,提不起兴趣.这就要求教师在教学中从以下两方面加以引导,点拨.一、寻根求源记单词想词根,解难题找题根,题根就是讲课时的例题,教材中的习题,考卷上的考题.它是一个题族的根祖,一个题系的根基,一个题群的代表.抓住了一个题根,就等于抓住了这个题族,这个题群,这个题系.引例过点A(1,2)作抛物线y2=4x的弦AP,AQ,若AP
Most of the college entrance examination questions from the textbook, higher than the textbook, the final goal or textbook, so in the college entrance examination in the grasping of the textbook is particularly important.Exercises in the textbook, examples are mostly superficial, students do not pay attention to the students review the material floating On the surface, the mere formality, can not mention interest, which requires teachers in teaching from the following two aspects to guide and make the call. Exercises in the textbook, test questions on the test paper.It is the root cause of a clan, the foundation of a question, the representative of a problem group.Catch a question root, it is equivalent to grasp this topic clan, this The subject group, the case cited point A (1,2) for the parabola y2 = 4x chord AP, AQ, if the AP