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At the airport, Ground Control must guide a plane from point T to the beginning of the runway, R, ready to take off, avoiding an
At the airport, Ground Control must guide a plane from point T to the beginning of the runway, R, ready to take off, avoiding an
admin
2019-04-10
43
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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本试题收录于:
D类竞赛(专科)题库大学生英语竞赛(NECCS)分类
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D类竞赛(专科)
大学生英语竞赛(NECCS)
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