显微镜对光时，如果所看到的视野较暗，应选择下列哪项进行调节？①较大的光圈 ②较小的光圈 ③反光镜的平面 ④反光镜的凹面_刷题宝

题干

显微镜对光时，如果所看到的视野较暗，应选择下列哪项进行调节？
①较大的光圈 ②较小的光圈 ③反光镜的平面 ④反光镜的凹面

A：① ③

B：① ④

C：② ④

D：② ③

上一题下一题 0.0难度选择题更新时间:2018-03-07 05:17:30

答案(点此获取答案解析）

B

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