山西省吕梁市交城县2019-2020学年八年级上学期期中考试生物试卷
※题型：单选题※知识点：单选题※试题难度：容易<br>关于腔肠动物,下列哪一项是错的( )<br>A.珊瑚虫、海葵、海蜇是腔肠动物<br>B.腔肠动物一般是脊椎动物<br>C.腔肠动物有口无肛门,食物和食物残渣都由口进出<br>D.都是生活在水中<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2013/0a451f7908da470bb6f9c99e89d14d50/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2013/3950428cc8774ed0bfcda7de74ff5a1a/6E992EDB07B8603F4B49D0ABCFCEDD5C.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>国宝大熊猫“团团”“圆圆”作为大陆人民的友好使者被赠送到宝岛台湾。下列不属于大熊猫主要特征的是( )<br>A.用肺呼吸 B.胎生、哺乳 C.牙齿分化 D.变温动物<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/1a80f593e49f443fb7ca8431e6b61b5d/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/d7919e16da4e432485438b6546668f90/7774CBD8CA6CFC4C01E1F8626FC69F50.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>行走在海边沙滩上常可看到水母,水母消化食物的场所是( )<br>A.口腔 B.消化腔 C.肠 D.食道<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/b5519739447f469eb5b44fcfdd04547b/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/7f8600616ba54d43bec4298fdc8a688c/4DE4073E9DD0CF25326A3DDCBE5E58DC.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列有关线形动物的叙述,不正确的是( )<br>A.全部都在人体内寄生生活 B.身体细长<br>C.消化道有口有肛门 D.常见的有人蛔虫、丝虫等<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/ff03e7c0634747faa12646e0498b4f9a/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/9b624bbb71e64fd5963ed3b580e8cde3/842988D53531E473F2E5528B9E8557E2.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>柔软的身体表面有外套膜,大多具有贝壳,运动器官是足,下列符合上述特征的动物类群是( )<br>A.腔肠动物 B.软体动物 C.线形动物 D.节肢动物<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2018/4afc4c58685241bc89d4dae84919ddfb/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2018/337c8ac9bca448649afe48c06175dd4d/86295C6D8B81EDF4A85A2F979DA9E9C0.png"><br><br>※题型：单选题※知识点：单选题※试题难度：容易<br>下列动物不属于昆虫的是( )<br>A.蜘蛛 B.蚂蚁 C.蝗虫 D.蜻蜓<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2012/c813d3a74c7f490d9c9fc225e160e485/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2012/9b95e22b115f41429e2993097b73fbe3/B5F149080E73421B4760C615CB0658D0.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>我们说鲫鱼比蝗虫高等主要表现在( )<br>A.生活在水中 B.能在水中游泳<br>C.体内有脊柱 D.能用鳃呼吸<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2013/925e88e20820409d9fb213385cc5b8f7/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2013/7ff902fa942b45bc8a40a2525ba41698/6093F554AB8930CFF71CCF70189F042F.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>夏天雨后,常可看到许多蚯蚓爬出地面,下列解释正确的是( )<br>A.土壤中食物缺乏<br>B.土壤淹水后蚯蚓的呼吸受阻<br>C.蚯蚓喜欢雨后晒太阳<br>D.土壤淹水后蚯蚓的消化受阻<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/c660f00e3706400ea047d3de5c6adf2b/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/32cea525bb3b4c10a9e0dbe7ed000e3f/6CAB19D46C2A63C965C85BA6096904D1.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>“身体分为头胸腹,两对翅膀三对足,头上两根感觉须,里头是肉外是骨”描写的是下列哪类动物的特征( )<br>A.环节动物 B.软体动物 C.昆虫 D.节肢动物<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/c0070d30d5ed4ac393b3aaf436bab557/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/543546237346468fa936b86e49696d5f/E34156448409B6EC8F0ED2C155D07F0F.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列动物不属于鱼类的是( )<br>A.鱿鱼 B.中华鲟 C.鯊鱼 D.带鱼<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/606196af71bb44e7b5dd17c4271c278a/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/91ab1da2a03c42ca817b69490ae3a6fe/42D6D4251E9D7336EEE63EFCB346B5C3.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>鳍在鱼的游泳中起到重要作用。如果捆扎鲫鱼的背鳍,将发生( )<br>A.无法上浮 B.无法下潜 C.鱼体侧翻 D.无法控制<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/d3803a8cb6024e6584f134e6ebb95728/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/6d131c0bbc5d4bc9af5d40208a0d1e77/A27C984B52374181645254C713336A73.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>家鸽身上与飞行生活适应的最发达的肌肉是( )<br>A.翼上的肌肉 B.躯干部的肌肉<br>C.腿部的肌肉 D.胸部的肌肉<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2013/47c0584ffdf64c3595d5819bd6d0fb84/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2013/0240dc227f404191b0990dd8b45aed04/B7111BB62AF0876B32DF201A1E666D11.png"><br><br>※题型：连线题※知识点：连线题※试题难度：中等<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/11/11/A893F028163E1F61363790EA06698EAD.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/b21f83115b374ccf8d562060ede7dbc8/F1CA350B9FE8D94F33ED83BB23574B78.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/177985d5c27b40419f40d4e8174f631e/D708B4D2A9F6C4D07C8B3C73EEAF991E.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>如图为水螅和血吸虫,水螅生活在清洁的淡水中,血吸虫营寄生生活,危害人体。<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/11/11/F7DE35EDE57FAF99563227B5B2CB07D1.png"><br>1.水螅的身体由内外两层细胞——和构成,这两层细胞中间填充着胶状物质中胶层。<br>2.我国南方部分地区流行的血吸虫病是由日本血吸虫感染引起的,血吸虫的中间寄主是,消灭中间寄主可以预防血吸虫病。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/fa4a71035ac74a34b0cc878be625447b/8376755785BE2F929CD5C4071D07A7B7.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/d28832f19a334163bc30928914dad81d/51257D4E60588688720E9A373688CEE4.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>蛔虫病是最常见的严重危害儿童健康与发育的寄生虫病之一。<br>1.蛔虫寄生在人的里,靠吸食半消化的食糜生活。<br>2.预防蛔虫病首先要注意个人的,不喝生水,蔬菜、水果要充分洗干净。其次,要管理好。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/d793d176069c4983823adcc0cbddcf6f/DEE6903F69DF251214CFAD4C3A7B0425.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/8488b2aa4a7546e387b1ceeb98dfc3d7/6DD2F6005DAE5D421E20564973D8F1A0.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>请认真观察下图,回答问题:<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/11/11/4093F41496857B8CC9F943A5BEDE7C60.png"><br>1.图中的体内有气囊能够辅助呼吸。<br>2.D的体表有,用呼吸,用游泳,通过的摆动提供运动时的动力。<br>3.B动物的体温,体表,用呼吸。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/2b541b9ba6d84da0bf3f94f6d3a6a8b0/F4FA5AD367EE21BD269F5CF2192C79C3.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/c9fd1962c2564856b33d05433701ea92/C8220AD4853348EB2C9308A772E5F755.png"><br><br>
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