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14.如圖所示,甲、乙為一臺複式顯微鏡上兩種不同倍率的物鏡。使用此顯微鏡觀察口腔皮膜細胞,按照使用顯微鏡的標準步默依序開始操作,有關物鏡的轉換及視野亮度的變化,下列敘迹何者最合理? (A)先用甲再轉換
問題詳情
14.如圖所示,甲、乙為一臺複式顯微鏡上兩種不同倍率的物鏡。使用此顯微鏡觀察口腔皮膜細胞,按照使用顯微鏡的標準步默依序開始操作,有關物鏡的轉換及視野亮度的變化,下列敘迹何者最合理?
(A)先用甲再轉換到乙,視野亮度變暗
(B)先用甲再轉換到乙,視野亮度變亮
(C)先用乙再轉換到甲,視野亮度變暗
(D)先用乙再轉換到甲,視野亮度變亮。
參考答案
上一篇 :
13.下列有關食物中養分的敘述,何者正確?(A)礦物質能提供能量(B)缺乏維生素A,易造成骨質疏騷症(C)缺乏鐵質易造成白血病(D)缺乏維生素C,易造成牙齦出血。
下一篇 :
15.編號1到5的五支試管分別為不同的實驗裝置,每支試管皆裝有等量的水,如下圈所示。若要研究「根的有無」和「蒸散作用的速率」之關係,下列何種組合可作為此實驗設計的實驗組與對照組? (A)編號1和2(B
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