From green sporting venues (场馆) 【小题1】 (equip) with wind, photovoltaic and other clean energy sources to technological applications including driverless buses and digital torchbearers, green technology became one of the 【小题2】 (big) highlights of the 19th Asian Games, held from Sept. 23 to Oct. 8 in Hangzhou, East China’s Zhejiang Province.

Through the Games, Hangzhou’s green and high-tech development concepts served as models for other cities in China, which also showed the country’s 【小题3】 (commit) to low carbon and innovation-driven development.

The 65 venues and related facilities of the Games realized 100 percent green electricity supply. At the Hangzhou Olympic Sports Centre Aquatic Sports Arena, the intelligent light guide system can save 100,000 kilowatt-hours of electricity per year by introducing outdoor 【小题4】 (nature) light in to the arena through 210 tubes on the roof. At the Fuyang Water Sports Center, 【小题5】 variety of green plants made the arena’s greening rate reach 45 percent, 【小题6】 can collect carbon and release oxygen, and also make the arena warm in winter and cool in summer.

As Hangzhou 【小题7】 (be) one of China’s digital cities, intelligence became a major feature of the Games. The opening ceremony used 3D wire-guided technology in a large space 【小题8】 the first time, making the flame lighting ceremony the first digital lighting ceremony. with digital substantive integration. All venues 【小题9】 (cover) with 5G systems, new energy charging piles and intelligent management systems, while the tournament was broadcast in 4K ultra high definition, 【小题10】 (create) a new immersive viewing experience for viewers.

Tennis super star Naomi Osaka lit the 2020 Tokyo Olympics flame. The Games 【小题1】 (official) started, although a year late. A possible fifth wave (波) of COVID-19 in Japan’s capital put in doubt 【小题2】 or not they would go ahead. COVID-19 greatly influenced the event. There 【小题3】 (be) no fans and several athletes couldn’t attend the Games after testing positive (阳性的). Japan hoped the Games would show 【小题4】 (it) culture to the world. The opening ceremony (仪式) ended at midnight with 【小题5】 amazing fireworks show.

Only 950 people attended the opening ceremony. Attendees 【小题6】 (include) Japan’s Emperor Naruhito and the US First Lady Jill Biden. Emperor Naruhito declared (宣布) the Games open. President of IOC Thomas Bach said: “It is very 【小题7】 (difference) from what we imagined, but let us value this moment because finally we are all here together. Today is a moment 【小题8】 hope.” Naomi Osaka posted a message on Twitter after 【小题9】 (light) the flame. She said it was “undoubtedly the 【小题10】 (great) honour (荣誉) I will ever have in my life.”

As the Beijing 2022 Winter Olympic Games approaches, the low-carbon trend of the event can be observed in the reuse of sports facilities. In the past, many sports venues (场馆)were not used 【小题1】 the games. To reduce waste, the organizing committee has worked with the host cities to make full use of the venues【小题2】(build) for the 2008 Olympic Games. Only one ice sports venue is【小题3】(new)constructed; the other four were adjusted to meet the green requirements.