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Two outstanding Chinese figures have been included in the 2025 ‘Nature’s 10’ list. This annual list selects 10 people who played key roles in the year’s most important science stories. They are Liang Wenfeng, founder of the Chinese AI firm DeepSeek, and Du Mengran, a great Chinese geoscientist (地学科学家).

Liang is recognized for driving the development of powerful AI models. In January, his company released the R1 model. It is not only powerful but also cost-effective. This move shocked the AI world and showed that the US was not as far ahead in AI as many experts thought.

Du is famous for her pioneering deep-sea exploration. She led dives to the hadal zone, the deepest part of the ocean that is over 6,000 meters down. At the Kuril-Kamchatka Trench, she and her team discovered the deepest known animal ecosystem (生态系统) on Earth.

Nature’s 10 is not a prize or a ranking. The 2025 list covers many fields, from AI and deep-sea research to biomedicine (生物医学) and public health. It shows how scientific advances are shaping our world in 2025.

1.1. How many people on the 2025 Nature’s 10 list are not from China?

A 2.

B 8.

C 10.

D 12.

解析：选B。1. B数字计算题。根据第一段第一句“Two outstanding Chinese figures have been included in the 2025 ‘Nature’s 10’ list”和第二句“This annual list selects 10 people...”可知，榜单共10人，其中2人来自中国，因此其他国家的人数是10-2=8。故选B。

2.2. When was the R1 model released?

A In January.

B In March.

C In July.

D In September.

解析：选A。2. A细节理解题。根据第二段第二句“In January, his company released the R1 model”可知，R1 模型在一月发布。故选A。

3.3. What do we know about the R1 model?

A It is cheap and useful.

B It is made in the US.

C It is weak but cheap.

D It is for deep-sea use.

解析：选A。3. A细节理解题。根据第二段第三句“It is not only powerful but also cost-effective”可知，R1模型既强大又划算。故选A。

4.4. What can we learn about Du Mengran from the passage?

A She studies AI.

B She works in the US.

C She invented Fendouzhe.

D She explores the sea.

解析：选D。4. D细节理解题。根据第三段第一句“Du is famous for her pioneering deep-sea exploration”可知，杜梦然因开创性的深海探索而出名。故选D。

5.5. Which is TRUE about 2025’s Nature’s 10?

A It is a big prize.

B It has only two fields.

C It affects the world.

D It ranks top scientists.

解析：选C。5. C推理判断题。根据最后一段最后一句“It shows how scientific advances are shaping our world in 2025”可推断，该榜单所展示的科学进步正在影响世界。A选项“它是一个大奖”和D选项“它给顶尖科学家排名”均与原文“not a prize or a ranking”矛盾；B选项“它只有两个领域”错误，原文提到了人工智能、深海研究、生物医学和公共卫生等多个领域。故选C。