2. 职称英语
  3. Balbir wants to guide a robot along the white squares through this maze. The rob

Balbir wants to guide a robot along the white squares through this maze. The rob

游客2023-10-19  56
问题 Balbir wants to guide a robot along the white squares through this maze. The robot starts on the square marked "Entrance", and must fmish on the square marked "Exit". It can only move FORWARD, TURN RIGHT 90° and TURN LEFT 90°. Which instructions will guide the robot through the maze?
选项 A、FORWARD 4, TURN LEFT 90°, FORWARD 2, TURN RIGHT 90°, FORWARD 3, TURN RIGHT 90°, FORWARD 5.
B、FORWARD 3, TURN RIGHT 90°, FORWARD 1, TURN RIGHT 90°, FORWARD 3, TURN LEFT 90°, FORWARD 3.
C、FORWARD 3, TURN LEFT 90°, FORWARD 1, TURN RIGHT 90°, FORWARD 2, TURN RIGHT 90°, FORWARD 4.
D、FORWARD 3, TURN RIGHT 90°, FORWARD 1, TURN LEFT 90°, FORWARD 2, TURN LEFT 90°, FORWARD 4.
答案 C
解析
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