2019-2020学年初中生物人教版七年级暑假作业 （7）呼吸道对空气的处理
※题型：单选题※知识点：单选题※试题难度：中等<br>关于呼吸系统的叙述,不正确的是( )<br>A.由呼吸道和肺两部分组成<br>B.口腔是消化系统和呼吸系统的共同器官<br>C.肺是呼吸系统的主要器官<br>D.呼吸道有清洁、温暖、湿润空气的作用<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/4cc712788d63431281f0f3d98b283301/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/3b502ddc523549fe8a5750c08fd105a8/CBE42840290043E06F0EDB78B6F2D098.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下图是呼吸系统的组成图,下列说法中不正确的是( )<br><img src="https://picture2.zhihuicn.com/testImage/2/2019/4/24/F9F56820BDE9284A17398E035BA81A6D.png"><br>A.①能使吸入的空气变得温暖、湿润和清洁<br>B.⑥⑦是呼吸系统的主要器官<br>C.在③中有声带.所以③是人体的发音器官<br>D.体内形成痰的部位只有④<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/da14da6e67e946c0b4376648cee28900/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/626b3096ae804a23abc7fa3632f029f2/409EA48CE8D74B78597F2181E516334B.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列关于人体呼吸的叙述,错误的是( )<br>A.沙尘暴时要戴口罩是因为呼吸道对空气的处理能力有限<br>B.我们呼出的气体中二氧化碳比氧气略多<br>C.边吃饭边说笑,容易导致食物进入气管,引起剧烈咳嗽<br>D.人在吸气时,膈肌收缩,使胸廓的上下径增大<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/4EF59C4461E28F3B3B09551EB8B9AC3F.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>由于化石燃料的大量燃烧等原因,近些年我国北方经常受雾霾天气的侵扰,引起众多网友们凋侃“月朦胧,鸟朦胧,空气雾霾浓。山朦胧,树朦胧,喉咙有点痛“北国风光,千里朦胧,万里尘飘,望三环内外,浓雾莽莽,鸟巢上下,阴霾滔滔…”,减少化石燃料燃烧,开发绿色环保的新能源迫在眉睫,下列有关雾霾中的污染颗粒进入人体的途径正确的是( )<br>A.外界<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/464231769519C31BD596A755B8860D5A.png"><br>咽喉<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/464231769519C31BD596A755B8860D5A.png"><br>食道<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/464231769519C31BD596A755B8860D5A.png"><br>肺<br>B.外界<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/464231769519C31BD596A755B8860D5A.png"><br>鼻腔<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/464231769519C31BD596A755B8860D5A.png"><br>咽喉<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/464231769519C31BD596A755B8860D5A.png"><br>气管<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/464231769519C31BD596A755B8860D5A.png"><br>支气管<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/464231769519C31BD596A755B8860D5A.png"><br>肺<br>C.外界<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/464231769519C31BD596A755B8860D5A.png"><br>鼻腔<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/464231769519C31BD596A755B8860D5A.png"><br>气管<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/464231769519C31BD596A755B8860D5A.png"><br>肺<br>D.外界<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/464231769519C31BD596A755B8860D5A.png"><br>鼻腔<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/464231769519C31BD596A755B8860D5A.png"><br>咽喉<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/464231769519C31BD596A755B8860D5A.png"><br>食道<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/464231769519C31BD596A755B8860D5A.png"><br>气管<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/464231769519C31BD596A755B8860D5A.png"><br>肺<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/2066b83ea5ff436085d47c0fb513f51d/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/0b979623b28f479aa5d6a94a091c5f88/9AC2F9C3C85EE8768E7A7A0AF8262A63.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>俗话说“食不言,寝不语”,吃饭时不能大声说笑的科学道理是( )<br>A.唾液腺分泌的唾液会减少<br>B.食物容易由咽误入气管<br>C.流经消化器官的血量会减少<br>D.不利于声带的保护<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/85a3b03f28bb480f8f95e6ee2aa080cf/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/a37b0ce3aaa141a79ac7c7a37558e60c/4D74BEB4FE92253948EB0D4EF4DCD54E.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>人在患重感冒时,鼻腔阻塞,往往要用嘴呼吸,在这种情况下,早上醒来会觉得嗓子非常干。这说明( )<br>A.空气中的水分全部被口腔吸收了<br>B.鼻腔有湿润空气的作用<br>C.感冒病毒使空气中的水分减少了<br>D.口腔有温暖、湿润空气的作用<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/75fff5bf53ca42efa71e4c09ba92abae/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/5dec9ec0c8454d0e9143bfd8e82ef84b/9956D325CD895F7C9B2343F4BB1832FE.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>父母常告诫我们不要边吃饭边说笑,其实,这里面蕴含着科学道理。下列叙述错误的是( )<br>A.呼吸时,喉口关闭,空气通过食道进入体内<br>B.说笑发声时,喉部的两条声带处于拉紧状态<br>C.吃饭说笑时,会厌软骨来不及盖住喉口,易引起咳嗽<br>D.吞咽食物时,喉口被会厌软骨盖住,以免食物进入气管<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/f3db309a5a174f8aa48ea4b17a054b64/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/ad0890f66c894300a56bbd85012eb93e/C4CA23CB2A7778FCD518A616B639284F.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>雾霾已成为我国城市标志性难题,许多城市空气中的PM2.5含量都严重超标,危害人类健康。PM2.5颗粒进入鼻、咽、喉以后,在进入血液之前,经过的结构依次是( )<br>A.气管、肺泡、支气管 B.气管、支气管、肺泡<br>C.支气管、肺泡、气管 D.肺泡、支气管、气管<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/4041f0516dcc43c893d6c5451130eef4/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/c66925c43e7b42a39550be281e23a07e/A5434F522592C8A960C26C654A4E0A70.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>春夏交接时温度变化较大,大山容易受凉感冒。感冒时鼻腔常常被阻塞,这是因为( )<br>A.扁桃体发炎 B.气管发炎<br>C.鼻腔黏膜充血肿胀 D.鼻黏膜分泌黏液过多<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/636857a75e46416f8d3eab8dee617201/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：较易<br>喉、气管和支气管都有软骨,软骨的作用是( )<br>A.抵抗细菌和病毒等物质 B.保证呼吸道的畅通<br>C.温暖空气 D.清除灰尘和细菌<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2018/659c07ccbc404f2eba46027dbcd312bb/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2018/c55d57db74f6409c83b9cf1ce77eac5d/4C5CE1B80043720F1D30C4629A317ACF.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>下图是人体呼吸系统组成示意图<br>.<br>请据图<br>回答问题<br>:<br><img src="https://picture2.zhihuicn.com/testImage/2/2019/4/24/50407C7F00441AC34A6F60460B6C2EA6.jpeg"><br>1.图中①?⑤合称[⑦],是外界气体进入⑥的通道,具有温暖、湿润、清洁空气的作用。<br>2.[ ]<br> <br>是气体的通道,也是发声的器官。<br>3.空气经过[ ]和[ ]时,其黏膜分泌的黏液将空气中残留的灰尘和病菌粘住而形成痰。雾霾天气空气中的颗粒物进入身体后黏附在呼吸道易造成气管炎、咽炎等疾病,所以雾霾天气尽可能少出门,非要出门时最好戴防护。<br>4.[ ]是呼吸系统的主要器官,是气体交换的场所。<br>5.吃饭时说笑,容易吃呛,引起咳嗽,这是因为[ ]是食物和气体的共同通道。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/0ff98a773fce4bffaf1273d0e8b74726/9D05C4F66B2C5E4EDD5094D6E0AE8007.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/a910e67a1a7648068f68d6c48bf29705/89034D14292A5CAD8DD6D2C766C635FB.png"><br><br>
页:
[1]