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At the 2025 Spring Festival Gala, a group of humanoid robots lively waving red handkerchiefs amused the audience a lot and sparked much discussions. With flexible arms and smooth movements, they looked quite cute. Few people realized this funny performance was just the start of a year ____1____ humanoid robots would develop at an amazing speed.

2025 saw ____2____ progress in this field. In March, Tien Kung Ultra, a ____3____ robot, learned to play with Lego. Only a month later, it ____4____ in the world’s first humanoid robot half-marathon. It finished the 21-kilometer race in about 2 hours and 40 minutes, becoming the first to cross the line. ____5____ some other robots that fell or got lost, it stopped smoothly after the race.

Later, Unitree’s G1 robot also ____6____. It could perform professional fighting moves like hooks ____7____. Even if it fell accidentally, it could ____8____ quickly and keep “fighting”. These robots showed people that science fiction has become ____9____.

While these hardware achievements are quite impressive, what was shown is only ____10____ of the story. Many believe that the true driver for next-generation robotics will be ____11____ in artificial intelligence (AI) large models. China’s open AI models have ____12____ with remarkable speed in recent years. A study found that Chinese open-source AI models, such as DeepSeek, reached 17.1% of global downloads — ____13____ America’s 15.8% for the first time. By July 2025, China had released 1,509 large models, making up 40% of the world’s total and ranking first globally.

AI’s endless demand for computing power is now pushing innovation to a new frontier: space. Experts believe this will solve data sending problems, especially for tasks like disaster monitoring that need ____14____ responses. As Professor Shen Yang said, AI will soon enter our homes, schools and factories, bringing ____15____ and creating more possibilities.

1.1.

A which

B when

C where

D why

解析：选B。B 考查关系副词辨析。首先明确先行词为“a year”，词性为名词且表示“时间”。再分析从句“humanoid robots would develop at an amazing speed”，该从句成分完整，无需关系代词充当主干成分，因此需用关系副词when在从句中作时间状语，修饰“develop”这一动作发生的时间。故选B。

2.2.

A tiny

B slow

C amazing

D usual

解析：选C。C 考查形容词辨析。首先，形容词修饰的对象是“progress”（进步），结合后文描述——“天工Ultra”机器人学会玩乐高、赢得马拉松，G1机器人完成专业格斗动作等，这些都是该领域“显著、出色”的成果，因此“progress”应搭配表积极、程度深的形容词。amazing（惊人的）既符合积极语境，又能体现进步的程度，与前文“at an amazing speed”（以惊人速度）形成语义呼应。故选C。

3.3.

A Chinese

B Japanese

C American

D German

解析：选A。A 考查形容词辨析。文章整体围绕“2025年中国人形机器人的发展”展开，可见核心讨论对象是“中国的”相关技术成果。“天工Ultra”作为文中举例的机器人，结合语境逻辑应是中国研发的。故选A。

4.4.

A competed

B failed

C refused

D missed

解析：选A。A 考查动词辨析。后文明确提到“becoming the first to cross the line”（成为第一个冲过终点线的），这一结果表明机器人参与了马拉松赛事并完成了比赛。故选A。

5.5.

A Like

B Unlike

C With

D For

解析：选B。B 考查介词辨析。前文描述“天工Ultra”机器人的表现——“2小时40分完成比赛，第一个冲线，平稳停下”，后文则提到“some other robots”的表现——“fell or got lost”（摔倒或迷路），前后两者形成鲜明的“优劣对比”，需用表“对比、转折”的介词连接。故选B。

6.6.

A faded

B broke

C shone

D slept

解析：选C。C 考查动词辨析。前文提到“天工Ultra”机器人表现出色，此处用“also”（也）连接，说明Unitree的G1机器人同样有优秀表现。后文具体描述其“流畅完成专业格斗动作，摔倒后快速站起”，这些细节都体现其“表现突出、引人注目”。故选C。

7.7.

A roughly

B smoothly

C suddenly

D badly

解析：选B。B 考查副词辨析。前文描述机器人时用过“smooth movements”（流畅的动作），此处“perform professional fighting moves”（完成专业格斗动作）的状态应与“流畅”一致，需用表“动作连贯”的副词。故选B。

8.8.

A stand up

B sit down

C lie down

D jump up

解析：选A。A 考查动词短语辨析。前文明确提到“fell accidentally”（意外摔倒），此处“and keep ‘fighting’”（继续“格斗”）表明机器人在摔倒后完成了“起身”的动作，才能继续后续行为。A. stand up（站起来）精准对应“摔倒”后的反向动作，符合“摔倒→站起→继续格斗”的逻辑链。故选A。

9.9.

A dream

B reality

C problem

D mystery

解析：选B。B 考查名词辨析。“science fiction”（科幻）是抽象的、虚构的概念，而文中机器人“学会玩乐高、参加马拉松、完成格斗动作”等都是具体的、真实发生的场景，这些实例证明原本虚构的科幻内容变成了真实存在的事物。故选B。

10.10.

A pain

B garbage

C whole

D part

解析：选D。D 考查名词辨析。前文用“quite impressive”（非常令人印象深刻）肯定了“hardware”（硬件）的表现，用“While”（尽管）表让步，说明硬件并非全部，后文紧接着重点讲述“AI大模型”的作用，可见“硬件”只是“机器人发展”这一整体故事的“一部分”。故选D。

11.11.

A breakthroughs

B difficulties

C mistakes

D challenges

解析：选A。A 考查名词辨析。前文提到“硬件只是部分”，后文指出“AI大模型是下一代机器人的真正驱动因素”，“驱动因素”的作用是“加速发展”，而能起到这一作用的必然是AI大模型的“突破性进展”。故选A。

12.12.

A advanced

B returned

C fallen

D stopped

解析：选A。A 考查动词辨析。后文提到“中国开源AI模型全球下载量占比17.1%，超过美国的15.8%”，这一结果表明中国AI模型在技术和影响力上都“取得了进步”。故选A。

13.13.

A losing

B beating

C following

D helping

解析：选B。B 考查动词辨析。句中明确给出两组数据——中国17.1%，美国15.8%，可见中国的占比超过了美国，需用表“超越、战胜”的动词。故选B。

14.14.

A slow

B fast

C careless

D lazy

解析：选B。B 考查形容词辨析。“disaster monitoring”（灾难监测）是一项特殊任务，其核心需求是“在灾难发生时快速响应，减少损失”，因此对“responses”（响应）的要求是“快速的”。故选B。

15.15.

A convenience

B trouble

C sadness

D danger

解析：选A。A 考查名词辨析。前文提到AI进入“homes, schools and factories”（家庭、学校和工厂），这些都是与人们生活密切相关的场景，结合常识，技术进入生活应带来“积极影响”。同时，句中“bringing...and creating...”是并列结构，“creating more possibilities”（创造更多可能）是积极含义，因此“bringing”后也应接积极名词。故选A。