![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
使用显微镜的正确步骤是()(1)对光,直到整个视野呈白色(2)调节粗、细准焦螺旋,以便看清物像(3)放置玻片标本,并用压片夹夹住(4)取镜安装 (5)收镜并放回原处
A.(4)(1)(3)(2)(5)
B.(5)(3)(1)(2)(4)
C.(4)(1)(2)(3)(5)
D.(1)(2)(3)(4)(5)
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
A、(4)(1)(3)(2)(5)
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.(4)(1)(3)(2)(5)
B.(5)(3)(1)(2)(4)
C.(4)(1)(2)(3)(5)
D.(1)(2)(3)(4)(5)
A、(4)(1)(3)(2)(5)
A.⑥③①⑤②④
B.⑥①③⑤④②
C.⑥①③⑤②④
D.⑥③①⑤④②
A.123
B.423
C.243
D.213
A.练习使用显微镜:取镜→安放→对光→观察
B.细胞分裂:细胞质分裂→细胞核分裂→新细胞形成
C.青蛙的发育过程:受精卵→蝌蚪→幼蛙→成蛙
D.尿液排出体外的过程:肾脏→输尿管→膀胱→尿道→体外
A.(3)(2)(1)
B.(2)(3)(1)
C.(2)(1)(3)