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Have you seen two robots argue with each other? In a library in Nanchang, Jiangxi Province, such 1． interesting scene took place.
The two robots are named Tutu and Wangbao. When a reader scanned the QR code（扫描二维码）on Tutu 2． accident, Wangbao got angry, beginning to argue with Tutu. This amused（使发笑）the reader 3． posted a video of the argument on December 30, 2020. Soon, the video 4． popular online.
In the video, Wangbao later said, “Tutu, let’s stop fighting, OK?” But Tutu seemed to be 5．. “Your mood（情绪）sure swings a lot!” she said.
“6． looks like how you argue with your girlfriend, ha ha,” one Internet user posted. “It’s terrible 7． people arguing, but I didn’t expect I’d love to listen to robots arguing,” another user wrote.
The online video was 8． spread on Sina Weibo, with 500,000 opinions by Saturday. This way, Tutu and Wangbao started to be Internet stars. When they 9． on January 1, 2021, the two seemed to have already forgiven（原谅）each other.
According to Zhong Xiaotong, a worker from the library, the two robots are set to help guide readers in the library. But they can also sing and dance to have 10． with readers. They can learn and act when they communicate with readers.
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
