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科学家发现剩余咖啡渣的全新妙用
Scientists in South Korea have found a new green use for old coffee grounds — building insulation. A research team (1)________ (lead) by Jeonbuk National University turned coffee waste into a new insulating material, (2)__________ (perform) as well as traditional building products.
Different from fossil fuel-based materials, this new one is renewable and (3)_______ (nature) biodegradable. Every day, billions of cups of coffee (4)_________ (consume) globally, leaving massive coffee grounds (5)________ (bury) or burned and causing severe pollution.
To make the new material, researchers dried waste coffee grounds and heated them (6)____ high temperatures to create biochar. After being processed with safe solvents (7)_______ natural polymers, the mixture was pressed into a stable composite. Its tiny pores can trap air, (8)_______ makes it an ideal heat insulator.
Lab results showed its thermal conductivity reached 0.04 watts per meter per Kelvin, far (9)________ (low) than the standard insulator level. Unlike polystyrene, the coffee-based material can break down easily in nature.
This creative method helps build a circular economy. It offers a simple solution to cut pollution and develop sustainable materials, (10)_______ (great) easing the pressure on the global environment.
先进的AI驱动乒乓球机器人已能媲美职业选手
Recently Sony's AI division (11)_________ (release) Ace, an autonomous robot capable of competing with top table tennis players. (12)________ (equip) with high-speed cameras and advanced hardware, Ace won 16 straight points against elite players, marking a new milestone in physical AI research.
It is the first robot (13)_________ (reach) expert-level performance in real competitive sports. Different from AI systems good at board games, physical robots face greater challenges, (14)_________ (require) quick reflexes and perfect cooperation between software and hardware.
Table tennis demands instant judgment, speed and coordination, (15)______ makes it a tough test for robotic technology. Ace has nine cameras and visual systems to track the ball’s position, spin and speed (16)________ (accurate). It adopts self-learning technology, (17)________ it can adapt to diverse playing styles rapidly.
In repeated matches in 2025, Ace defeated most amateur elite players and one professional pared with former robots, it showed stronger power, faster reaction and (18)_________ (flexible) movements.
The rapid progress in table tennis robots (19)________ (prove) the huge potential of physical AI. Experts believe that AI reaching human expert standards in fast interactive sports will pave the way (20)________ wider real-life robotic applications in the future.
纽约市正面临重大洪灾风险，或使440万人暴露于严重损失之中
A new study shows that eight U.S. East Coast cities face high flood risks, among (21)______ New York and New Orleans rank the most dangerous. Nearly half of New York’s residents and buildings (22)_________ (expose) to extreme flooding, while in New Orleans, up to 98 percent of its population and infrastructure are (23)________ severe risk.
The serious situation is caused by low elevation, dense population, poor drainage (24)________ close proximity to water. Researchers urged local officials (25)________ (adopt) nature-based methods as well as traditional facilities to cut flood threats.
Flooding is the costliest natural disaster in the U.S. every year. With climate change worsening, sea levels (26)_________ (rise) steadily and hurricane-related floods will become more frequent in decades ahead.
In the research, scientists applied machine learning, (27)_________ (analyze) historical disaster data and 16 different risk factors. These elements, ranging from geographical conditions to social vulnerability, helped build a (28)________ (rely) flood risk index.
The final results stressed that high-risk coastal cities need urgent policy attention. Effective measures include (29)________ (restore) wetlands and replacing impermeable ground materials, which can greatly improve urban water (30)________ (absorb) and drainage capacity.
泡泡玛特扩建主题公园以推动增长
Pop Mart International Group is speeding up its transformation from a collectibles retailer to a full-fledged intellectual property (IP) company. It is expanding its theme park business, Pop Land, as a key platform (31)_________ (test) immersive IP experiences and drive consumer spending.
On Friday, Pop Land in Beijing launched a major upgrade, with three new zones and five large amusement facilities (32)_________ (build) around its famous IPs — The Monsters and Dimoo. Hu Jian, vice-president of Pop Mart, said the renovation aims to create a fully immersive IP environment, (33)__________ (integrate) themed performances and customized food and drinks.
Globalization and IP development remain the company’s top priorities as it pushes deeper into international markets. Last year was a pivotal period for Pop Land, with over two-thirds of the park undergoing renovation. Despite the smaller operating area, its (34)_________ (perform) kept improving: visitor traffic rose 70 percent year-on-year.
Now non-family visitors account (35)_______ 59 percent of total footfall, and non-local tourists make up 58 percent. The park is also attracting more international travelers, (36)________ becomes a major tourist attraction in Beijing.
Pop Land’s early concepts, which (37)_________ (draft) in 2020, included roller coasters, but many were shelved due to feasibility issues. When it opened in 2023, it hadn’t realized half of its original vision. However, its visitor traffic and revenue (38)________ (exceed) internal forecasts the next year, leading the company to speed up upgrades.
Hu compared the project to (39)________ "never-ending assignment". The Phase II expansion planned for 2027, will introduce more IPs and expand the narrative ecosystem. Pop Mart also intends to open more urban parks in the future, though no immediate plans or locations (40)__________ (confirm) yet.
【答案】
1.led 2.performing 3.naturally 4.are consumed 5.buried
6.at 7.and 8.which 9.lower 10.greatly
has released 12.Equipped 13.to reach 14.requiring 15.which
accurately 17.so 18.more flexible 19.proves 20.for
which 22.are exposed 23.at 24.and 25.to adopt
will rise 27.analyzing 28.reliable 29.restoring 30.absorption
to test 32.built 33.integrating 34.performance 35.for
36.and 37.were drafted 38.exceeded 39.a 40.have been confirmed

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