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有幸参加1999年的中考阅卷,深感实行素质教育以来所取成绩喜人,但也看到了目前初中数学教学中存在的问题:一、概念教学重视不够今年中考第八大题的第一问题的要求是:求证:“AE切○·O于D”,我们知道,据切线的判定定理应满足两个条件(1)OD是半径(2)OD⊥AE。但在中考卷面上?..
I am fortunate to participate in the 1999 examination papers, I feel deeply gratified by the results of the implementation of quality education, but also see the current problems in the teaching of mathematics in junior high school: First, the concept of teaching is not enough attention to the requirements of the first question of the eighth topic of the senior high school entrance examination this year Yes: Proof: “AE cut ○ · O in D”, we know, according to the tangent decision theorem should meet two conditions (1) OD is the radius (2) OD ⊥ AE. But in the examination paper surface?