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图形化编程 | 每日一练 | 第48练

  • 2026-01-29 18:04:27
图形化编程 | 每日一练 | 第48练

图形化编程

每日一练

知行合一，方得始终

炎热的夏天到了，小刚想在自己的scratch作品中加入泳池的背景，以下哪个背景符合小刚的要求?

A、

B、

C、

D、

上一期解析

【参考答案】

D

【答案解析】

方向：初始0度，右转60度 + 左转-30度 = 右转90度，最终方向：90度方向（向右）

大小：初始150，增加-30两次，进行换算150-30-30 = 90

答案：面向90方向，大小为90

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  1. CONNECT:[ UseTime:0.000591s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001120s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000335s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000270s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000566s ]
  6. SELECT * FROM `set` [ RunTime:0.000185s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000549s ]
  8. SELECT * FROM `article` WHERE `id` = 469310 LIMIT 1 [ RunTime:0.000415s ]
  9. UPDATE `article` SET `lasttime` = 1770534955 WHERE `id` = 469310 [ RunTime:0.003584s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000426s ]
  11. SELECT * FROM `article` WHERE `id` < 469310 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000529s ]
  12. SELECT * FROM `article` WHERE `id` > 469310 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000363s ]
  13. SELECT * FROM `article` WHERE `id` < 469310 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.004544s ]
  14. SELECT * FROM `article` WHERE `id` < 469310 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.009574s ]
  15. SELECT * FROM `article` WHERE `id` < 469310 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002199s ]
0.097927s