2019-2020学年初中生物苏教版七年级下册随堂测验4.12.3 人体感知信息
※题型：多选题※知识点：多选题※试题难度：中等<br>随着电子产品的普及,青少年的近视率逐年升高。下列有关近视的说法,正确的是( )<br>A.晶状体曲度过大 B.眼球前后径过短<br>C.物像落在视网膜前方 D.可配戴凸透镜加以矫正<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/35ebf815535345dbbc4ff8dadd2ce3f6/3B542E2E5009FB2B8A841B80B58D5603.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：中等<br>如图所示,判断图中A、B、C分别表示的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2013/11/1/A66BEA9C7E10618477EFBA6AEDD8785F.png"><br>A.正常眼,远视眼,远视眼的矫正<br>B.远视眼,近视眼,近视眼的矫正<br>C.正常眼,近视眼,近视眼的矫正<br>D.远视眼,正常眼,远视眼的矫正<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2013/b05204b3af6747a7a8886ada54b798f9/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2013/66b64a573e174ab7818d757be2829e52/FB1A33E9DA21CEAD207A2D60C3424472.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>如图为人耳的部分结构示意图。有关叙述错误的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2019/10/18/F3CD964DCE3343DAC44C837A38FFED9A.png"><br>A.1是鼓膜,它的振动通过听小骨传到内耳<br>B.2是耳蜗,内有对声波敏感的感觉细胞<br>C.3是前庭,能感受头部位置变动的情况<br>D.4是听觉神经,将声音信息传给大脑一定区城<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/cf6f5a3b31be44e5aeeedd4fc47afb2c/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/b576d4b86b5e4951bdb7f6f414e525dd/4054CA9B638072E16A5B7722FED72634.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>“风声、雨声、读书声,声声人耳”。下列哪项是听觉形成的过程( )<br>①外界声波②外耳道③听小骨④鼓膜⑤耳蜗⑥听神经⑦形成听觉⑧听觉中枢A.①→②→③→④→⑥→⑤→⑦→⑧<br>B.①→②→③→④→⑤→⑥→⑦→⑧<br>C.①→②→③→④→⑥→⑦→⑤→⑧<br>D.①→②→④→③→⑤→⑥→⑧→⑦<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2013/ee5ed3cafd2544969c977f5c0f08b804/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2013/1af799e20a454101be33fb95e766fed8/40BB812A396A873A0C26D95AEC1ECA6E.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>在下列结构中,形成听觉的部位是( )<br>A.外耳道 B.鼓膜<br>C.耳蜗 D.大脑皮层的听觉中枢<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/57e961ee43964401b99b0586788bd523/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/0aecf6f887d2438c938007753a403d5f/D6EA2422B064FD97E05199305FE0FE10.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>飞机降落时乘务员要求旅客咀嚼食物,目的是( )<br>A.防止听觉中枢受损<br>B.保护听小骨<br>C.保护耳蜗内的听觉感受器<br>D.使咽鼓管张开,保护鼓膜<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/4f97c7032c6c4dfca7fa80866f727c75/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/c6ab9c1b045b43af8f29c4aa88fb8d9f/A1B1077136A70E25063005F608BD74F2.png"><br><br>
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