人教版七年级上册生物：2.1.1练习使用显微镜同步测试
题型：选择题※难度：较易
<div><div><p>【题目】小华习惯用右手写字，下图能表示她使用显微镜观察的正确方法是</p><p>A. <img src="https://picture.zhihuicn.com/2017/12/31/01/7790379a/SYS201712310107006633568773_ST/SYS201712310107006633568773_ST.001.png" width="97" height="80" alt="" style="-aw-left-pos:0pt; -aw-rel-hpos:column; -aw-rel-vpos:paragraph; -aw-top-pos:0pt; -aw-wrap-type:inline" /> B. <img src="https://picture.zhihuicn.com/2017/12/31/01/7790379a/SYS201712310107006633568773_ST/SYS201712310107006633568773_ST.002.png" width="92" height="78" alt="" style="-aw-left-pos:0pt; -aw-rel-hpos:column; -aw-rel-vpos:paragraph; -aw-top-pos:0pt; -aw-wrap-type:inline" /> C. <img src="https://picture.zhihuicn.com/2017/12/31/01/7790379a/SYS201712310107006633568773_ST/SYS201712310107006633568773_ST.003.png" width="96" height="79" alt="" style="-aw-left-pos:0pt; -aw-rel-hpos:column; -aw-rel-vpos:paragraph; -aw-top-pos:0pt; -aw-wrap-type:inline" /> D. <img src="https://picture.zhihuicn.com/2017/12/31/01/7790379a/SYS201712310107006633568773_ST/SYS201712310107006633568773_ST.004.png" width="107" height="85" alt="" style="-aw-left-pos:0pt; -aw-rel-hpos:column; -aw-rel-vpos:paragraph; -aw-top-pos:0pt; -aw-wrap-type:inline" /></p><p> </p></div></div>
<div><p>【答案】B</p><p>【解析】试题分析：在使用显微镜时，两眼都要睁开．小华是习惯用右手写字，所以左眼注视目镜观察物像，右眼睁开看着画图。可见B正确。</p></div>
题型：选择题
※难度：容易
<div><div><p>【题目】使用显微镜观察时，固定装片用到的结构是（ ）</p><p>A. 粗准焦螺旋 B. 压片夹 C. 反光镜 D. 细准焦螺旋</p><p> </p></div></div>
<div><p>【答案】B</p><p>【解析】试题分析：压片夹在载物台上，固定玻片。</p></div>
题型：选择题
※难度：较易
<div><div><p>【题目】用来擦拭显微镜头污点的是_</p><p>A. 纸巾 B. 布 C. 棉花 D. 擦镜纸</p><p> </p></div></div>
<div><p>【答案】D</p><p>【解析】试题分析：布比较硬，并且比较粗糙，不但擦不干净而且还会划伤镜头，纸巾和棉花擦拭后会有纤维残留，影响观察效果。擦镜纸比较柔软不磨损镜头。</p></div>
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