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近年来生物高考试题题型基本趋于稳定,主要包括选择题、简答题两大项,其中选择题占试卷总分的40%-50%。大多数选择题迷惑性较强,考生容易失分,因而在教学中有必要让学生了解选择题的常见设错方式,举例说明如下。 1.习俗设错即按照学习惯性思路特征没错,使学生致错。〔例〕根据传播途径,下列四种疾病中,属于血液传染病的是( )。 A、血吸虫病 B、黑热病 C、绦虫病 D、猩红热〔分析〕有的学生见A答案带有“血”字,就猜A而错,正确答案是B。 2.隐晦设错就是题干的规定性不明显,但又必
In recent years, the type of the biological college entrance examination questions basically stabilized, including multiple choice questions, answer two major questions, of which multiple choice questions account for 40% -50% of the total score. Most of the multiple-choice questions are more enchanting and candidates are easily divided. Therefore, it is necessary to make students understand the common mistakes of multiple-choice questions in teaching. Examples are as follows. 1 custom set the wrong idea that in accordance with the characteristics of learning inertia, so that students lead to the wrong. [Example] According to the route of transmission, the following four diseases, are blood diseases (). A, schistosomiasis B, kala-azar C, taeniasis D, scarlet fever [analysis] Some students see A answer with “blood” word, guess A and wrong, the correct answer is B. 2. Obscure error is the subject of the provisions of the dry is not obvious, but must