五、短文填空
阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式。
Something amazing happened in Beijing on April 19, 2025. Some humanoid（人型的）robots ran in the half-marathon（马拉松）with 12,000 human runners.
This was the $\underline{1}$（one）time for robots to run in such a long race.
Usually, robots $\underline{2}$ two legs like people cannot keep a balance. But to join the race, they all had to run on two legs. Some even $\underline{3}$（wear）running shoes. Like motor racing（赛车）, the robots had a human operator（操作员）to help them. The human operator changed the batteries（电池）during the race $\underline{4}$（make）sure they could reach the end. During the race, some robots had trouble $\underline{5}$（run）. One fell at the starting line and another knocked over an engineer after a few meters. The final robot $\underline{6}$（win）was Tiangong Ultra from the Beijing Innovation Center of Human Robotics（北京机器人技术创新中心）. It finished in two hours and forty minutes while the fastest human runner finished in one hour and two minutes.
The race was $\underline{7}$ big success. The robots managed to get tested for $\underline{8}$（they）skills like stability（稳定性）, speed（速度）and battery life. In the future, maybe people $\underline{9}$（use）them in factories, hospitals or even space!
“Running might be a small step for humans, $\underline{10}$, it's a big leap（跳跃）for robots,” said Liang Liang, E-Town's deputy（副）director.
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