In the 2025 Spring Festival Gala, a group of lively humanoid robots in colorful floral jackets and red handkerchiefs attracted the audience’s attention with their Yangko dance. The program, named “YanBOT,” was directed by Zhang Yimou and featured 16 robots and 16 dancers from the Xinjiang Arts Institute. The robots, known as H1, were equipped with advanced technologies such as high-precision 3D laser SLAM autonomous positioning and navigation, multi-agent collaborative planning, advanced networking solutions, and full-body AI motion control. These technologies enabled the robots to move steadily and perform synchronized dance moves. The robots could also “understand” music and adjust their movements in real time to match the rhythm. The robots’ skeleton-like design, without pants, was intentional to create a striking contrast with human dancers. The robots’ ability to spin and throw handkerchiefs was made possible by their 19 joints and additional motors in their arms. The robots were named “Fu Xi,” symbolizing the integration of traditional culture and technological innovation.

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1. 1. What technology helps the robots move steadily on stage?

A High-precision 3D laser SLAM autonomous positioning and navigation

B Multi-agent collaborative planning

C Advanced networking solutions

D All of the above

解析：选D。D 细节理解题。根据“The robots, known as H1, were equipped with advanced technologies such as high-precision 3D laser SLAM autonomous positioning and navigation, multi-agent collaborative planning, advanced networking solutions, and full-body AI motion control.”可知，机器人装备了高精度3D激光SLAM自主定位和导航、多智能体协同规划、先进组网方案和全身AI运动控制，这些技术共同让机器人在舞台上稳稳当当。故选D.

2.2. Why were the robots designed without pants?

A To save materials.

B To create a contrast with human dancers.

C To reduce weight.

D To make them look more like humans.

解析：选B。B 细节理解题。根据“The robots’ skeleton-like design, without pants, was intentional to create a striking contrast with human dancers. ”可知，机器人的骨架设计是为了与舞蹈艺术真人产生更多反差，这种反差让整个表演更加生动有趣。故选B。

3.3. What does “SLAM” in “3D laser SLAM autonomous positioning and navigation” mean?

A A type of dance move.

B A kind of music.

C A technology for mapping and positioning.

D A name of a robot.

解析：选C。C 细节理解题。SLAM是“Simultaneous Localization and Mapping”的缩写，意为同步定位与建图，是一种让机器人在未知环境中进行定位和地图构建的技术。故选C。

4.4. What is the main idea of the passage?

A The history of robots in the Spring Festival Gala

B The advanced technologies used in the robot dance performance

C The challenges faced by robot developers

D The future of robots in entertainment

解析：选B。B 主旨大意题。文章主要介绍了2025年春晚机器人舞蹈表演背后的技术支持，包括定位导航、音乐感知和动作控制等。故选B。