下面是某同学做“用显微镜观察人的口腔上皮细胞 的实验该同学在操作过程中有一处不正确你认为是哪一处 A.取一洁净的载玻片在中央滴一滴清水 Template




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tomski下面是某同学做“用显微镜观察人的口腔上皮细胞 的实验该同学在操作过程中有一处不正确你认为是哪一处 a.取一洁净的载玻片在中央滴一滴清水 coloring