阅读下面短文，根据短文内容回答问题，每个题目的答案不超过5个单词。

On April 19, the world’s first half-marathon for humanoid (人形的) robots was held in Beijing. The robots waited beside human runners, starting from the same line.

“I saw many robots running. Some were surprisingly fast, others had very lovely designs, and their running styles were quite different,” said Zhang Huihui, who took part in the race.

During the 21-kilometer-long race, the robots had to run on two legs. Some even wore running shoes. Each robot was supported by a team of human guides, operators (操作员) and engineers. They could have their batteries changed during the race. Teams could even use new robots when the old ones could no longer run.

There were 20 teams in the race and six of them made it to the end. Tiangong Ultra won the first in two hours and 40 minutes. “It crossed the finish line about 30 minutes earlier than expected,” said Xiong Youjun, CEO of a robot center. “In general, all the robots today could deal with challenges such as turns and speed bumps. We made history together.”

“Robots’ completing the race isn’t the finish line. It’s the starting point for the growth of the robot industry,” said Liang Liang, from Yizhuang’s Administrative Committee.

Although the robots fell from time to time, the event proved that they could do real-life tasks. Liang added, “Their small steps today will become giant leaps for human technological progress tomorrow.”

1.1．What did Zhang Huihui say about robots’ running styles?

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解析：选They were quite different.。They were quite different.细节理解题。定位第二段张慧惠的表述 “their running styles were quite different”，直接提取关键信息，答案符合 “不超过 5 个单词” 要求，准确回应 “跑步姿势如何” 的问题。

2.2．Who supported the robots to finish the race?

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解析：选Guides, operators, engineers.。Guides, operators, engineers.细节理解题。第三段明确提到 “supported by a team of human guides, operators and engineers”，题干问 “谁支持机器人完赛”，简化表述后保留核心主体，符合字数限制且信息完整。

3.3．How many robots crossed the finish line?

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解析：选Six.。Six.细节理解题。第四段首句 “six of them made it to the end” 中，“made it to the end” 即 “crossed the finish line”，直接提炼数字 “Six”，简洁准确且符合字数要求。

4.4．What did the robots’ half-marathon event prove?

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解析：选Robots do real-life tasks.。Robots do real-life tasks.细节理解题。倒数第二段明确 “the event proved that they could do real-life tasks”，题干要求 “不超过 5 个单词”，简化为 “Robots do real-life tasks”，核心信息不变，符合格式要求。

5.5．What can robots be used for?

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解析：选Real-life tasks.。Real-life tasks.推理判断题。由前文 “proved that they could do real-life tasks” 可推断，机器人的用途是 “完成实际生活任务”，提炼核心短语 “Real-life tasks”，符合字数限制且直击问题本质。