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目前,普通高中所用《生物》教材大体上有三种版本:1985年出版的《生物》甲种本和乙种本,1990年出版的必修本。现将三种教材之差异略述如下: 一、必修教材有别于甲种和乙种教材的特点1.直观性强必修教材具彩图17幅(封面、封底计入其内)、黑白图105幅。甲种本彩图3幅(封面)、黑白图89幅。乙种本具彩图3幅(封面)、黑白图67幅。现将三种教材
At present, there are basically three editions of “biology” textbooks used in ordinary high schools: “Biological” A and B editions published in 1985, and required editions published in 1990. The differences among the three teaching materials are summarized below: 1. The compulsory teaching materials are different from the features of the A and B textbooks. 1. The intuitive teaching material has 17 color pictures (covers, back covers included), black and white drawings. 105 pictures. A color picture 3 (cover), 89 black and white pictures. There are 3 color pictures (cover) and 67 black and white pictures. Now three kinds of teaching materials