课程介绍
-
课程级别：
- 巩固与拔高
-
课程亮点：
- 夯实学科基础、查缺补漏、剖析重点、克服难点
-
适用对象：
- 初三，基础比较薄弱的同学
-
学习目标：
- 查缺补漏、夯实基础
-
学费：
- [在线1v1] 200元/节，40分钟/节，3节/次
[在线1v2] 150元/节，40分钟/节，3节/次
[面授1v1] 600元/小时，2小时/次
[面授1v2] 500元/小时，2小时/次
-
学习方式：
- 在线 1v1，1v2
面授 1v1，1v2
-
课程内容：
-
- 知识讲解：质量守恒定律
- 真题易错：质量守恒定律
- 知识讲解：化学方程式
- 真题易错：化学方程式
- 知识讲解：碳单质和一氧化碳
- 真题易错：碳单质和一氧化碳
- 知识讲解：二氧化碳的性质及制备
- 真题易错：二氧化碳的性质及制备
- 知识讲解：碳综合
- 真题易错：碳综合
- 知识讲解：常见的金属材料
- 真题易错：常见的金属材料
- 题型归纳：金属图像问题
- 真题易错：金属图像问题
- 题型归纳：金属综合
- 真题易错：金属综合
- 题型归纳：推断和计算专题
- 真题易错：推断和计算专题
- 题型归纳：实验原理专题
- 真题易错：实验原理专题
- 题型归纳：实验探究专题
- 真题易错：实验探究专题
基本
文件
流程
错误
SQL
调试
- 请求信息 : 2026-04-12 00:26:48 HTTP/1.1 GET : http://m.demanfen.net/course_18.html
- 运行时间 : 0.095714s [ 吞吐率：10.45req/s ] 内存消耗：4,521.55kb 文件加载：135
- 查询信息 : 0 queries
- 缓存信息 : 0 reads,0 writes
- CONNECT:[ UseTime:0.000970s ] mysql:host=rm-2zeo5a9hfnzeb7934.mysql.rds.aliyuncs.com;port=3306;dbname=k12manfen;charset=utf8
- SHOW FULL COLUMNS FROM `courses` [ RunTime:0.001062s ]
- SELECT `id`,`title`,`course_type`,`teaching_type`,`subject`,`course_grade`,`learning_target`,`feature`,`enroll_description`,`target_description`,`teacher`,`course_plan`,`introduction`,`actual_price`,`picture`,`lesson_num`,`class_num`,`course_tag`,`course_price`,`description` FROM `courses` WHERE `id` = 18 LIMIT 1 [ RunTime:0.000571s ]
- SHOW FULL COLUMNS FROM `pictures` [ RunTime:0.000774s ]
- SELECT `id`,`path`,`osspath` FROM `pictures` WHERE `id` = 37 LIMIT 1 [ RunTime:0.000434s ]
- SHOW FULL COLUMNS FROM `news` [ RunTime:0.000776s ]
- UPDATE `news` SET `view` = `view` + 1 WHERE `id` = 18 [ RunTime:0.001219s ]
- SHOW FULL COLUMNS FROM `site_seo` [ RunTime:0.000752s ]
- SELECT `title`,`keywords`,`description` FROM `site_seo` WHERE `module` = 'm' AND `controller` = 'course' AND `action` = 'content' LIMIT 1 [ RunTime:0.000462s ]
- SELECT COUNT(*) AS think_count FROM `courses` WHERE `status` = 1 [ RunTime:0.000571s ]
- SELECT `id`,`title`,`course_type`,`teaching_type`,`subject`,`course_grade`,`enroll_description`,`target_description`,`actual_price`,`feature`,`picture`,`lesson_num`,`class_num`,`course_tag`,`learning_target` FROM `courses` WHERE `status` = 1 ORDER BY `course_grade`,`subject`,`course_type`,`teaching_type` DESC LIMIT 0,5 [ RunTime:0.000642s ]
- SELECT `id`,`path`,`osspath` FROM `pictures` WHERE `id` = 21 LIMIT 1 [ RunTime:0.000488s ]
- SELECT `id`,`path`,`osspath` FROM `pictures` WHERE `id` = 21 LIMIT 1 [ RunTime:0.000443s ]
- SELECT `id`,`path`,`osspath` FROM `pictures` WHERE `id` = 21 LIMIT 1 [ RunTime:0.000407s ]
- SELECT `id`,`path`,`osspath` FROM `pictures` WHERE `id` = 21 LIMIT 1 [ RunTime:0.000404s ]
- SELECT `id`,`path`,`osspath` FROM `pictures` WHERE `id` = 21 LIMIT 1 [ RunTime:0.000383s ]
- SHOW FULL COLUMNS FROM `news_data` [ RunTime:0.000789s ]
- SELECT COUNT(*) AS think_count FROM `news` [ RunTime:0.000422s ]
- SELECT `id`,`title`,`description`,`keywords`,`cover`,`view`,`updatetime`,`tags` FROM `news` ORDER BY `view` DESC LIMIT 0,6 [ RunTime:0.000493s ]
0.103126s
