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《生物》(新课标)八年级(上)第64页在“制作”标题下介绍了有关孢子印的制作方法。学生在进行操作时,效果不太理想,因为做在纸上的孢子印在互相传看的过程中很容易脱落变形。所以在生物兴趣小组开展活动时我提出了这个问题。学生集思广益,提出把孢子印做在投影胶片上。
“Biology” (new curriculum standard) eighth grade (on) page 64 under the “production” heading described the production of spores. Students do not perform well when they are performing operations because the spores printed on the paper are easily dislodged during the process of viewing each other. So I raised this question when the Bio-Interest Group started an activity. Students brainstormed and proposed printing spores on transparencies.