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2026年河南省中招理化生实验操作考试试卷评分卡CD卷及物理视频

  • 2026-09-29 20:00:29
2026年河南省中招理化生实验操作考试试卷评分卡CD卷及物理视频

2026年河南省中招理化生实验操作考试试卷及评分卡（C单元）.doc

2026年河南省中招理化生实验操作考试试卷及评分卡（D单元）.doc

C1.探究平面镜成像时像距与物距的关系

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C2.探究串联电路电压的特点

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C3. 用天平和量筒测量盐水的密度

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C4.证明发声的音叉在振动

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C5. 用电压表检测电路故障

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C6.探究滑动摩擦力大小与压力大小的关系

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D1.探究浮力的大小跟排开液体所受重力的关系

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D3. 探究杠杆平衡的条件

以下视频来源于
数理化解析解
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D4. 用刻度尺测量圆形金属片的直径

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D5. 探究感应电流的方向与什么因素有关

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  1. CONNECT:[ UseTime:0.000965s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000962s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000548s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000328s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000574s ]
  6. SELECT * FROM `set` [ RunTime:0.000253s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000600s ]
  8. SELECT * FROM `article` WHERE `id` = 464245 LIMIT 1 [ RunTime:0.000342s ]
  9. UPDATE `article` SET `lasttime` = 1790911973 WHERE `id` = 464245 [ RunTime:0.001637s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000285s ]
  11. SELECT * FROM `article` WHERE `id` < 464245 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000440s ]
  12. SELECT * FROM `article` WHERE `id` > 464245 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000362s ]
  13. SELECT * FROM `article` WHERE `id` < 464245 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000447s ]
  14. SELECT * FROM `article` WHERE `id` < 464245 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000512s ]
  15. SELECT * FROM `article` WHERE `id` < 464245 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000508s ]
0.084708s