2020-2021学年生物苏科版七年级下册随堂检测（6）水中的动物
※题型：单选题※知识点：单选题※试题难度：中等<br>鱼类适于水中生活,其呼吸器官是( )<br>A.肺 B.鳃 C.气管 D.体壁<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/f0886d58522f457e92a8bf30561a78a8/76900E09FAB5EBA344B8EA84E844FF07.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>科学家发现一种生物,它体表被有鳞片,用鳃呼吸,有鳍。请问它最有可能是( )<br>A.软体动物 B.节肢动物 C.爬行动物 D.鱼类<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/b4658d58d87d408e855680ea356f84b8/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/1b3e49e749ce45218d50a24c699f0129/E13288F8A74218DEDE5E526346A4DE21.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>与鱼类适于水中生活无关的特征是( )<br>A.身体呈梭型 B.用鳃呼吸 C.用鳍游泳 D.体温不恒定<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/0e8d85fc2281450484b48d19e3eb14af/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/e3012ebf654a463383850f0bbf85e1c2/29C485E5B2D8FA472C9D62CBF13B2B4C.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下图所示动物中属于软体动物的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2020/7/10/7E29A2E0FB1667A5F391DFF00BDE6852.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2020/7/10/286B57D23A9EC744B91704149CF0FABA.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2020/7/10/5494108BFD001FA1DA292EA2D8E9957F.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2020/7/10/D334F2899B28974B4070BC9512A0ADC3.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/7ffff8b9fb914141b2536325f461b44a/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/a0a7db70beec4d55bd9e1f139af0bf9b/39ED4C15F4178AD0500EEDD4D0AEA7DB.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>观察河蚌的外形图,回答以下问题:<br><img src="https://picture2.zhihuicn.com/testImage/2/2019/6/21/95E0BB4A94075756C48FC1F7E604E124.png"><br>(<br>)<br>河蚌属于水中生活的<br>动物。<br>(2)<br>河蚌用<br>呼吸,用<br>[ <br>]<br>运动。<br>(3)<br>珍珠是由河蚌<br>的分泌物形成的。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/7e43df44fee94459ba3238d861caa43e/23AF5F741990BA6266E7DD4D558295C9.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/e3c81768918249feb26666ddb7ef90d3/04237D65DEBB2ED2BB84672BA42B38A2.png"><br><br>
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