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中考生物真题:生物与环境-生态系统和生物圈4

  • 2026-05-25 12:50:42
中考生物真题:生物与环境-生态系统和生物圈4

4.（25黑龙江）谚语“螳螂捕蝉，黄雀在后”生动地反映了不同生物之间的相互关系。下列相关描述正确的是

A．其中含有的食物链是：蝉→螳螂→黄雀

B．如上述生物所在的生态系统被农药DDT污染，则黄雀体内的DDT含量最高

C．在生态系统中，蝉属于消费者，螳螂属于分解者

D．黄雀的结构层次：细胞→组织→系统→器官→动物体（黄雀）

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  1. CONNECT:[ UseTime:0.000468s ] mysql:host=127.0.0.1;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000813s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000310s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000356s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000735s ]
  6. SELECT * FROM `set` [ RunTime:0.000250s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000749s ]
  8. SELECT * FROM `article` WHERE `id` = 496089 LIMIT 1 [ RunTime:0.000602s ]
  9. UPDATE `article` SET `lasttime` = 1779754386 WHERE `id` = 496089 [ RunTime:0.011049s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000339s ]
  11. SELECT * FROM `article` WHERE `id` < 496089 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000627s ]
  12. SELECT * FROM `article` WHERE `id` > 496089 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000464s ]
  13. SELECT * FROM `article` WHERE `id` < 496089 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001557s ]
  14. SELECT * FROM `article` WHERE `id` < 496089 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001757s ]
  15. SELECT * FROM `article` WHERE `id` < 496089 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001765s ]
0.121234s