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2022年中考英语必考题型终极押题(福建专用)-阅读理解
(2022·广东佛山·一模)The Beijing 2022 Winter Olympics were more than a sporting event. They were also a show for science and technology. They are helping athletes (运动员) become “faster, higher, stronger” and offering you a great game-watching experience with the support of 5G. Let’s look at some technologies behind the Beijing Winter Olympics.
The fastest ice
The National Speed Skating Oval is said to have “the fastest ice”, as 12 new Olympic records and one world record were set there. The secret is new ice-making technology. Liquid carbon dioxide (液体二氧化碳) is put under the ice to keep temperature changes on the ice surface in half a degree. That keeps the ice a level surface and it is easier to skate on.
“Seeing” the wind
In events like freestyle skiing and ski jumping, the direction and speed of the wind can have great influence on an athlete’s performance. A Chinese research team developed a system to measure wind. The system uses AI technology. It allows athl