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2026中级注安师考试真题化工实务单选答案

  • 2026-10-27 12:01:15

2026中级注安师考试真题化工实务单选答案

这里先分享第一大类型题--单选题，一共20题，均为每题1分。多选题及其他题型逐步分析中（最终以官方发布为准，仅供参考），记得关注本号哦，后续分享及时查看。

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PET考试真题练习分享第15期|阅读 Part 6(含答案)

基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-10-27 20:37:19 HTTP/1.1 GET : http://www.sjds.net/a/528447.html
  2. 运行时间 : 0.080313s [ 吞吐率：12.45req/s ] 内存消耗：4,207.56kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=178df95447a28b7b2065c83cb74029cd
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  1. CONNECT:[ UseTime:0.000852s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000881s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000493s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000371s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000583s ]
  6. SELECT * FROM `set` [ RunTime:0.000296s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000703s ]
  8. SELECT * FROM `article` WHERE `id` = 528447 LIMIT 1 [ RunTime:0.000403s ]
  9. UPDATE `article` SET `lasttime` = 1793104639 WHERE `id` = 528447 [ RunTime:0.001604s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000367s ]
  11. SELECT * FROM `article` WHERE `id` < 528447 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000507s ]
  12. SELECT * FROM `article` WHERE `id` > 528447 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000481s ]
  13. SELECT * FROM `article` WHERE `id` < 528447 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000623s ]
  14. SELECT * FROM `article` WHERE `id` < 528447 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000595s ]
  15. SELECT * FROM `article` WHERE `id` < 528447 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000710s ]
0.095789s