湖北省十堰市2018年中考生物试题
※题型：单选题※知识点：单选题※试题难度：中等<br>2017年十堰当选魅力中国城,“蓝天白云青山绿水”是十堰特色,夏季走进青山绿水的怀抱,我们感到淸新凉爽,这主要与植物的什么生理作用相关( )<br>A.光合作用、呼吸作用 B.光合作用、蒸腾作用<br>C.呼吸作用、蒸腾作用 D.植物的碳-氧平衡<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/413c534b9a5542d1876c868987562716/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/38cd3f80c5744111bee658689b23a29b/290EB69D5938BF79714EEE59396B1D97.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>同学们,让我们来做几个慢动作:深吸气、深呼气……深吸气时你的膈肌和胸廓的变化是(甲图吸气、乙图呼气)( )<br><img src="https://picture2.zhihuicn.com/testImage/2/2019/5/15/32266836AB300EE61DA66C81B69D3F6F.png"><br>A.膈肌收缩、胸廓容积扩大<br>B.膈肌收缩、胸廓容积缩小<br>C.膈肌舒张、胸廓容积扩大<br>D.膈肌舒张、胸廓容积缩小<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/98beebd61c91476f80f6b6e4e2193b59/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/9a33a04cb0ad45c2bf47d8ea77d78ed3/96CF4516AD4B9B9F38A523430EB98D83.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列有关生物进化的叙述正确的选项是( )<br>A.“超级细菌”的产生是因为细菌的变异,自然选择的结果<br>B.抗生素的使用导致细菌产生抗药性变异<br>C.“大熊猫”濒危是因为它们的后代只有遗传没有变异<br>D.晚近的地层中一定没有低等生物化石<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/f958e958a68441f8af9aafcf9ad7b4d6/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/84ea39bce596419599770113f0b6fe1e/E5126912F7FFD1882BEDB38B9D5FBF87.png"><br><br>※题型：填空题※知识点：填空题※试题难度：较易<br>在一定的空间范围内,与环境所形成的统一的整体叫做。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/de816f47cd524b60947a50023892b361/A7375ADE38950A461AD6C049B52373B2.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/9bdc6b54f35242f9b6877c4974c5670f/E41E6E67631F8D14EF181261213B3DD8.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>人体血液循环系统与全身各系统密切相关,请据图回答:<img src="https://picture2.zhihuicn.com/testImage/2/2019/5/15/6F8F574031CD6D10F9FE179EBE4090EC.png"><br>1.血液流经图中(填器官)后,尿素等废物明显减少。<br>2.如果某人的胰腺到小肠的导管堵塞,此人的功能受到严重影响。<br>3.睾丸、卵巢、垂体、胰岛、甲状腺等内分泌所分泌的直接进入血液。<br>4.图中血液流动的方向是:心室<img src="https://picture2.zhihuicn.com/testImage/2/2019/5/15/464231769519C31BD596A755B8860D5A.png"><br>动脉<img src="https://picture2.zhihuicn.com/testImage/2/2019/5/15/464231769519C31BD596A755B8860D5A.png"><br>(红细胞单行通过)<img src="https://picture2.zhihuicn.com/testImage/2/2019/5/15/464231769519C31BD596A755B8860D5A.png"><br>静脉<img src="https://picture2.zhihuicn.com/testImage/2/2019/5/15/464231769519C31BD596A755B8860D5A.png"><br>心房。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/77440294f19a40e6b272385fd1ed961a/FC8A1CAC8F0692BAADFD1FAD24C25DE8.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/47c9716d81da4a04953f0b7f79de2036/EB9939BBE33D9D07D766A0E5497CD079.png"><br><br>
页:
[1]