模型构建方法是现代科学方法的核心内容之一。下列不属于模型研究方法的是( )A.J.D.Watson和F.Crick创建DNA分子的双螺旋结构B.某生物兴趣小组成员利用剪纸制作减数分裂各个时期染色体行为变化图C.用光学显微镜观察并拍摄某植物细胞的显微结构图D.某同学通过研究酵母菌繁殖不同时间段后产生的细菌细胞数目绘制成的曲线
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why can I buy some juice
when does the supermarket close
how to get to the library
what time does the movie begin