2020-2021学年生物北师大版七年级下册随堂检测(12)感受器和感觉器官
※题型:单选题※知识点:单选题※试题难度:中等<br>下列功能眼球不能完成的是( )<br>A.转动 B.成像<br>C.产生神经冲动 D.形成视觉<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/3235d76f8536477d8697256a1a857a5b/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/345704e2532340cca7871a87040e8978/A8F92E437C8E54ABF4E5291CD2C5D95C.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>在视觉形成过程中,能把光刺激转变为神经冲动的结构是( )<br>A.晶状体 B.角膜 C.视网膜 D.视神经<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/7aff75e4238b47a297b1f5152f975724/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/3af9d641b194408aa0eba40e013916e1/F9307AB91B837035DBF05B3AE4DE5AE9.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>从用眼卫生的角度考虑,下列做法正确的是( )<br>A.长时间看电视 B.常做眼保健操<br>C.坐车看手机 D.躺在床上看书<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/5f81d10c7ba4454aa40b5c2d979d9532/CFD11B39D2C70E3BAFF53A76B86BA12A.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/963c60204cfa4a0c808f8ff6292ef136/35C65254562FD2E4381E2A8194820C8D.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>某学生用尖锐的器物掏挖耳屎,以至戳伤某个结构导致耳聋,该结构是( )<br>A.外耳道 B.听小骨 C.鼓膜 D.耳蜗<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/57571d173a274f9095d39fa21722e879/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/fd988cc08fa64459b869c566805f812a/5F304523FA51626EB708FD6E3F1B7995.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>当遇到巨大声响时要闭口堵耳或迅速张口,目的是为了保护( )<br>A.耳廓 B.鼓膜 C.听小骨 D.耳<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/f27a7c837db141f1a0efbd7135138e23/4EF59C4461E28F3B3B09551EB8B9AC3F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/ec472a7c9f92431e8c04da0b3f54c626/E20BE55890837508ED4C4E2213E2C54A.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>人们常从“色、香、味”三方面来评价食物的质量,辨别“色、香、味”分别用到( )<br>A.视觉、嗅觉、味觉 B.嗅觉、视觉、味觉<br>C.味觉、视觉、嗅觉 D.触觉、嗅觉、味觉<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/a31a37c9df4a42a29da81ca99c46b189/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/0a8019be13244ddabc57fca53dae0ca8/115D37C50F3D0111D1402F7941ABBB16.png"><br><br>
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