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CAE 练习题+PPT课件,实用易上手

2026-04-17 01:54:06

CAE 练习题+PPT课件,实用易上手

原汁原味的教学逻辑 ，这套资料完全按照 C1 Advanced 考试大纲设计。它不仅仅是题目，而是 "Lessons"。

每一个单元都包含了：

配套 PPT： 像老师上课一样，图文并茂地讲解知识点。

重播分享赞

练习题 (Worksheets)： 针对性的练习。有答案

包含11个CAE 高频话题

K023

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进入公众号对话框回复：荔枝学苑，按提示领取

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基本文件流程错误 SQL 调试

请求信息 : 2026-04-19 02:18:56 HTTP/2.0 GET : https://h.sjds.net/a/460852.html
运行时间 : 0.129347s [ 吞吐率：7.73req/s ] 内存消耗：4,249.71kb 文件加载：140
缓存信息 : 0 reads,0 writes
会话信息 : SESSION_ID=93d6c1b2ddfbb8428d9a7e2451b7c401

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CONNECT:[ UseTime:0.001126s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001747s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000728s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000641s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.001380s ]
SELECT * FROM `set` [ RunTime:0.000604s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.001473s ]
SELECT * FROM `article` WHERE `id` = 460852 LIMIT 1 [ RunTime:0.001134s ]
UPDATE `article` SET `lasttime` = 1776536336 WHERE `id` = 460852 [ RunTime:0.002609s ]
SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000636s ]
SELECT * FROM `article` WHERE `id` < 460852 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001152s ]
SELECT * FROM `article` WHERE `id` > 460852 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001953s ]
SELECT * FROM `article` WHERE `id` < 460852 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.003251s ]
SELECT * FROM `article` WHERE `id` < 460852 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002280s ]
SELECT * FROM `article` WHERE `id` < 460852 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002171s ]

0.133065s

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