2020-2021学年生物冀少版七年级下册随堂检测（11）信息的获取
※题型：单选题※知识点：单选题※试题难度：中等<br>人体视觉形成的部位是( )。A.角膜 B.瞳孔<br>C.大脑的特定区域 D.玻璃体<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/f1b230d814614846ac30fa6c4335c91c/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/95f09074801a423799b41c232958edbb/AFA3E3A1DC5018459EB6C6DD5F78DA1D.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下图耳的结构中,听觉感受器位于( )<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/24/C9732D52943B59241FF6C89DB5783BA5.png"><br>A.① B.② C.③ D.④<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/67f2331d52f64a098e3bf46cf1ac2a86/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/2d58fa9eb2b14705a7b90ca0de0344f3/C23DFE6C59BF08AD183D359C2B59335A.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>耳结构中听小骨的作用是( )<br>A.收集声波 B.传导振动 C.感受刺激 D.产生听觉<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/23eca16607384b7a815cbe0bf24c1aa3/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/adb20930620042bd99259a6a1bbbc579/B568EB798764051D45370574E06B7D9A.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>在飞机起飞或降落时,应将口微微张开,其目的是( )<br>A.避免呕吐<br>B.减缓紧张情绪<br>C.使鼓膜内外的气压平衡,避免鼓膜受损伤<br>D.进行深呼吸,以适应气压变化<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/cd4bb20076cc405db0da85bfd6197831/D7C9A679F3C72D4F1064B7D0A0FD4AD8.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/478eea79d0ba4e91ab7c67f41318689e/7DF0A9CCECF35B0822476FA7BBA92119.png"><br><br>※题型：读图填空题※知识点：读图填空题※试题难度：中等<br>下图是眼球结构示意图,请回答下列问题。<br><img src="https://picture1.zhihuicn.com/2/D2F84AA051F2FDC700B616441582D1AA.png"><br>style="VERTICAL-ALIGN:middle"><br>1.外界物体反射来的光线,依次经过[]、瞳孔、[]和[],由于等的折射,最终落在[]上,形成一个物像。物像信息通过[]传给大脑的一定区域,人就产生了视觉。<br>2.如果长期不注意用眼卫生,使凸度增大,形成的物像就会落在视网膜的,形成近视眼。<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/F8366E226D40E117911EE31E1BE243CA.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/BB7CC4A235D63EACB0BB6A59FE2FF481.png"><br><br>
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