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  3. At the airport, Ground Control must guide a plane from point T to the beginning

At the airport, Ground Control must guide a plane from point T to the beginning

游客2023-10-20  28
问题 At the airport, Ground Control must guide a plane from point T to the beginning of the runway, R, ready to take off, avoiding any trees on the way. The plane can only move FORWARD, TURN LEFT 90° or TURN RIGHT 90°. Which set of instructions will guide the plane to the runway, avoiding any trees?
选项 A、FORWARD 3, RIGHT 90°, FORWARD 2, LEFT 90°, FORWARD 5.
B、FORWARD 1, LEFT 90°, FORWARD 7.
C、FORWARD 3, RIGHT 90° , FORWARD 3, LEFT 90°, FORWARD 6.
D、FORWARD 1, RIGHT 90° , FORWARD 2, LEFT 90° , FORWARD 7.
答案 C
解析 飞机要从T点到R点，而且不能碰到树，先前行3个格，右转90度，在前行三个格，左转90度，在前行6个即可符合要求的到达R点。
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