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初中化学新教材备课1.1物质的变化和性质

2026-07-27 02:25:52

初中化学新教材备课1.1物质的变化和性质

初中化学新教材备课🍒1.1物质的变化和性质

希望大家多多提提建议以查漏补缺
第一节分为两个课时，备课思路在笔记中可以体现
红色学生需要记的笔记
蓝色可记可不记
黑色相当于旁白，作为思路的一个连接
 #初中化学 #初中化学知识点 #化学笔记 #教师备课笔记 #暑假备课 #化学新教材

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河南,7月2日 18:19,

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CONNECT:[ UseTime:0.000362s ] mysql:host=127.0.0.1;port=3306;dbname=c_sjds;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000500s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.002773s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.001612s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.000692s ]
SELECT * FROM `set` [ RunTime:0.000426s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.000755s ]
SELECT * FROM `article` WHERE `id` = 469333 LIMIT 1 [ RunTime:0.000575s ]
UPDATE `article` SET `lasttime` = 1785104365 WHERE `id` = 469333 [ RunTime:0.002873s ]
SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.003040s ]
SELECT * FROM `article` WHERE `id` < 469333 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001501s ]
SELECT * FROM `article` WHERE `id` > 469333 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002704s ]
SELECT * FROM `article` WHERE `id` < 469333 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002761s ]
SELECT * FROM `article` WHERE `id` < 469333 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001493s ]
SELECT * FROM `article` WHERE `id` < 469333 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001110s ]

0.128667s

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