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2023年辽宁省初中学业水平考试生物学试卷

  • 2026-09-22 14:26:59
2023年辽宁省初中学业水平考试生物学试卷
（1）本实验的变量是．实验中形成明亮和阴暗两种环境的目的是设置实验。
（2）为控制单一变量，步骤一中应选择大小、生理状态等因素均（填“相同”或“不同”）的水蚤。
（3）实验结果：明亮环境中水蚤的数目明显多于阴暗环境中水蛋的数目。据此得出的结论是            .
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2026年北京西城区高三一模语文试卷(含答案)

基本 文件 流程 错误 SQL 调试
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  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=4b70c93d2d02e9f6c5069230032b1fe0
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  1. CONNECT:[ UseTime:0.000886s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000837s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000487s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000347s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000499s ]
  6. SELECT * FROM `set` [ RunTime:0.000271s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000531s ]
  8. SELECT * FROM `article` WHERE `id` = 477150 LIMIT 1 [ RunTime:0.000320s ]
  9. UPDATE `article` SET `lasttime` = 1790307847 WHERE `id` = 477150 [ RunTime:0.001283s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000281s ]
  11. SELECT * FROM `article` WHERE `id` < 477150 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000491s ]
  12. SELECT * FROM `article` WHERE `id` > 477150 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000366s ]
  13. SELECT * FROM `article` WHERE `id` < 477150 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000501s ]
  14. SELECT * FROM `article` WHERE `id` < 477150 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000595s ]
  15. SELECT * FROM `article` WHERE `id` < 477150 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000754s ]
0.143592s