按照实验操作过程,将①~④实验步骤进行排序,正确的是( )
![](https://img.xkw.com/dksih/QBM/2019/9/23/2296975187853312/2297906025758720/STEM/cdc52833f5354a039eb67b9c80e5eeec.png?resizew=497)
![](https://img.xkw.com/dksih/QBM/2019/9/23/2296975187853312/2297906025758720/STEM/cdc52833f5354a039eb67b9c80e5eeec.png?resizew=497)
A.①→②→③→④ | B.④→③→①→② |
C.①→②→④→③ | D.③→④→②→① |
更新时间:2019-09-26 13:19:35
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【知识点】 制作并观察植物细胞临时装片解读
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【推荐1】下图一是制作洋葱鳞片叶内表皮细胞临时装片的部分步骤示意图,图二是光学显微镜结构示意图。下列叙述错误的是( )
![](https://img.xkw.com/dksih/QBM/2022/1/6/2888686492065792/2892039441620992/STEM/4e9407fa-bf6c-499d-954b-2e32d172a744.png?resizew=256)
![](https://img.xkw.com/dksih/QBM/2022/1/6/2888686492065792/2892039441620992/STEM/6afcaf4f-40fe-4664-9e50-62b550e56390.png?resizew=255)
![](https://img.xkw.com/dksih/QBM/2022/1/6/2888686492065792/2892039441620992/STEM/4e9407fa-bf6c-499d-954b-2e32d172a744.png?resizew=256)
![](https://img.xkw.com/dksih/QBM/2022/1/6/2888686492065792/2892039441620992/STEM/6afcaf4f-40fe-4664-9e50-62b550e56390.png?resizew=255)
A.图一中正确的实验步骤顺序是⑤③②④① |
B.图一中步骤①和⑤滴加的液体分别是碘液和生理盐水 |
C.图二中使用③和⑤进行观察时,物像被放大了160倍 |
D.绘制洋葱鳞片叶内表皮细胞结构图时,较暗的地方用铅笔细点表示 |
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适中
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【推荐2】结合图1-4分析,下列关于实验操作的叙述正确的是
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712404084334592/2713325894713344/STEM/726e2446-29a7-467e-a2be-22a3e751d92f.png)
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712404084334592/2713325894713344/STEM/b9079935-5aa3-471c-92da-2d4f2d29100a.png)
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712404084334592/2713325894713344/STEM/19bf8713-f99a-4d0b-b7ec-7bc0a76f2234.png)
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712404084334592/2713325894713344/STEM/ddc07760-4ff0-40a0-ae45-587dbb24aaa8.png)
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712404084334592/2713325894713344/STEM/726e2446-29a7-467e-a2be-22a3e751d92f.png)
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712404084334592/2713325894713344/STEM/b9079935-5aa3-471c-92da-2d4f2d29100a.png)
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712404084334592/2713325894713344/STEM/19bf8713-f99a-4d0b-b7ec-7bc0a76f2234.png)
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712404084334592/2713325894713344/STEM/ddc07760-4ff0-40a0-ae45-587dbb24aaa8.png)
A.图1是用低倍显微镜观察洋葱根尖细胞时某视野中的图像,将装片向右移动可看清3处细胞的染色体 |
B.图2是细菌细胞在高倍镜下的图像,换用高倍镜前应先提升镜筒,以免镜头压到装片 |
C.图3显示:黑藻叶肉细胞中的细胞质正在沿逆时针方向流动 |
D.观察图4中的保卫细胞时,要用碘液染色 |
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