解析 B。解析:先行词“drone”(无人机)是物,“who”用于指人,A选项错误。“where”用于先行词是地点的名词,“when”用于先行词是时间的名词,这里先行词“drone”既不是地点也不是时间,C和D选项错误。“which”可以用来指代物,在定语从句中作主语,所以B正确。
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The Drone Contribute to this page Suggest an edit or add missing content IMDb Answers: Help fill gaps in our data Learn more about contributing Edit page More from this title Cast & crew External sites Company credits Filming & production Tech specs More to explore List The 10 Most Anticipat...
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TFRs and Sports: Drone Footage Exciting and DangerousOctober 10, 2024Site Footer The Learn to Fly Blog is brought to you by Aviation Supplies & Academics, Inc. About Us | Contact Us | Resources | asa2fly.com Subscribe to the ENROUTE newsletter for the latest on ASA products, resources, ...
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