2020-2021学年生物苏教版七年级上册同步实验室（二）观察：认识显微镜
※题型：单选题※知识点：单选题※试题难度：中等<br>下列显微镜的结构与功能配伍中,你认为不相匹配的是( )<br>A.目镜与物镜—放大物像<br>B.粗准焦螺旋—升降镜筒<br>C.遮光器—调节光线强弱<br>D.转换器—转换目镜<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/2e4ba56e814849d1b85deaa9b261d03a/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/afe61bd2f03f44efad3d608e7f5c9790/E796B0332F6F97D99C7393E827631901.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下图是显微镜的部分结构示意图。图中有放大作用的是( )<br><img A.①和② B.③和④ C.①和③ D.②和④<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2018/91b165ef4b9d4ef782bc52f990c26ac0/D7C9A679F3C72D4F1064B7D0A0FD4AD8.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2018/4a05717f419a4f5d90e0367f599830e5/8EA931811DAA26888E768E917E968171.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>在显微镜对光过程中,能反射光线的结构是( )<br>A.目镜 B.反光镜 C.转换器 D.光圈<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/596387d26c6b4ab2bff48856c58fc5c1/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/a799e6035fb14c0cbd39a15405496933/1C5F97E899E71A6C1DC190320E14B1F6.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>如下图,某同学使用的显微镜有如下一些镜头可供选择,要使被观察的物体放大50倍,应选择的镜头为( )<imgA.④和⑤ B.③和⑥ C.①和③ D.②和⑥<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/5efcbdacf8dd4dc996adc7ec6088df35/D7C9A679F3C72D4F1064B7D0A0FD4AD8.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/9113058931b14272ad5aae2b991b1ed6/7C1A70837A7D36356B74D54E1411E752.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列所示的显微镜的镜头中,表示高倍目镜的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/17/EF004543D2E5891F6B4115204372AA6D.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/17/887E34B1B8FE8ED8A9A3C342CE9F0873.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/17/6BEA0D327CFAD16588C78037BD5ED029.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/17/A3EBA6C31905AB0EA33F0BE60D7DBA74.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/6c2bd38ed643400e8d37a4fa41a675b7/D7C9A679F3C72D4F1064B7D0A0FD4AD8.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/2c8b5978637d4f8cb6af34b765df9cd0/B6C4EC1F958FF019431666F3C9342E9B.png"><br><br>
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