《2025年新课程学习与测评单元双测九年级英语全一册人教版》

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With the help of a six-legged robot, Liu Tianfu and his workmates can easily collect the inside temperature information of trains. And they can check the safety status(状态)of high-speed trains quickly. Liu, 40, developed the robot.
“The purpose of our team is to test the highspeed trains before leaving the factory,” Liu said. In 2020, the Fuxing train developed for the Beijing-Zhangjiakou High-Speed Railway needed stricter testing standards. It was a very difficult job.
To ensure(保证)the inside of the train could work normally in temperatures of up to 40℃, workers needed to collect temperature information and check the vehicle’s status. They needed to do lots of work. Liu wondered whether robots could help them do the work faster and better. With this creative idea in his mind, he started his research.
Because the working environment was narrow, Liu chose to make a spider-like robot. However, the robot needed to be light but strong enough. When choosing its materials, he turned his attention to 3-D printing technology. The technology helped him a lot.
Finally, a light six-legged robot, weighing less than 2 kilograms, was made in June, 2023. With the robot collecting information about trains, lots of time is saved.
“The robot is only the first version(版本), and there is still a lot of space for improvement,” he said.
根据短文内容,回答下列问题。
31. How old was Liu Tianfu when he developed the robot?
40 years old.
32. What’s the proper temperature of the inside of the train?
Less than 40℃.
33. Why did Liu choose to make a spider-like robot?
Because the working environment was narrow.
34. What technology did he use when he chose its materials?
3-D printing technology.
35. What does the robot look like?
It has six legs and weighs less than 2 kilograms.

答案： 31.40 years old. 32.Less than 40℃. 33.Because the working environment was narrow. 34.3-D printing technology. 35.It has six legs and weighs less than 2 kilograms.