使用显微镜的正确步骤是:(1)对光有白亮的视野 (2)调节粗、细

使用显微镜的正确步骤是:(1)对光有白亮的视野 (2)调节粗、细准焦螺旋等结构看清物像 (3)放玻片标本,用压片夹压住 (4)取出显微镜放在实验台上并安放 (5)收镜

A 1)(2)(3)(4       B 4)(1)(3)(2)(5 

C 4)(1)(2)(3)(5   D  5)(3)(1)(2)(4

答案

B

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