当前位置：首页>初中教材>【电子课本】【人教版初中生物】 七年级上册 电子书和教材问题答案

【电子课本】【人教版初中生物】 七年级上册 电子书和教材问题答案

  • 2026-05-10 23:00:28
【电子课本】【人教版初中生物】 七年级上册 电子书和教材问题答案

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【电子课本】【人教版初中生物】  七年级上册 电子书和答案
初
中
生
物
七年级（上）

七年级上册 电子书【 目录】

【第一单元 生物与环境】

第一章认识生物

第1节 生物的特征

第2节 调查周边环境中的生物

第二章 了解生物圈

第1节 生物与环境的关系

第2节 生物与环境组成生态系统

第3节 生物圈是最大的生态系统

第二单元  生物体的结构层次

第一章 细胞是生命活动的基本单位

第1节 练习使用显微镜 
第2节 植物细胞 
第3节 动物细胞 
第4节 细胞的生活
第二章 细胞怎样构成生物体
第1节 细胞通过分裂产生新细胞
第2节 动物体的结构层次
第3节 植物体的结构层次
第4节 单细胞生物
第三单元 生物圈中的绿色植物
第一章 生物圈中有哪些绿色植物
第1节 藻类、苔藓和蕨类植物
第2节 种子植物
第二章 被子植物的一生
　  第1节 种子的萌发
　  第2节 植株的生长
　  第3节 开花和结果
第三章 绿色植物与生物圈的水循环
  绿色植物与生物圈的水循环
第四章 绿色植物是生物圈中有机物的制造者
绿色植物是生物圈中有机物的制造者
第五章 绿色植物与生物圈中的碳—氧平衡
　  第1节 光合作用吸收二氧化碳释放氧气
     第2节 绿色植物的呼吸作用
第六章 爱护植被，绿化祖国
爱护植被，绿化祖国
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  139. /yingpanguazai/ssd/ssd1/www/c.sjds.net/runtime/temp/4b635f01740da80a68ecf76597ee81b6.php ( 12.06 KB )
  140. /yingpanguazai/ssd/ssd1/www/c.sjds.net/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000362s ] mysql:host=127.0.0.1;port=3306;dbname=c_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000728s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.002241s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000272s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000603s ]
  6. SELECT * FROM `set` [ RunTime:0.000218s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000622s ]
  8. SELECT * FROM `article` WHERE `id` = 467776 LIMIT 1 [ RunTime:0.000568s ]
  9. UPDATE `article` SET `lasttime` = 1778706692 WHERE `id` = 467776 [ RunTime:0.011988s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.003896s ]
  11. SELECT * FROM `article` WHERE `id` < 467776 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000463s ]
  12. SELECT * FROM `article` WHERE `id` > 467776 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000421s ]
  13. SELECT * FROM `article` WHERE `id` < 467776 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001378s ]
  14. SELECT * FROM `article` WHERE `id` < 467776 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001830s ]
  15. SELECT * FROM `article` WHERE `id` < 467776 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.008503s ]
0.111536s