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【第四套】小学科学开学第一课教案+课件(爱牛版)

2026-04-08 06:37:42

【第四套】小学科学开学第一课教案+课件(爱牛版)

2026春小学科学

开学第一课

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四年级下册开学第一课

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四年级下册开学第一课

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【第一套】2026年春小学科学1-6年级下册开学第一课ppt课件（可下载）

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CONNECT:[ UseTime:0.000426s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000698s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.005721s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000315s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.000654s ]
SELECT * FROM `set` [ RunTime:0.002365s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.000754s ]
SELECT * FROM `article` WHERE `id` = 476260 LIMIT 1 [ RunTime:0.000420s ]
UPDATE `article` SET `lasttime` = 1775645794 WHERE `id` = 476260 [ RunTime:0.011498s ]
SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.001953s ]
SELECT * FROM `article` WHERE `id` < 476260 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000423s ]
SELECT * FROM `article` WHERE `id` > 476260 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000482s ]
SELECT * FROM `article` WHERE `id` < 476260 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002614s ]
SELECT * FROM `article` WHERE `id` < 476260 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001239s ]
SELECT * FROM `article` WHERE `id` < 476260 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000735s ]

0.103271s

ShowPageTrace