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Câu 637: What is mentioned about current drones in paragraph 2? A. They require a human pilot for operation. B. They are hindered by technol...
Đề bài
Câu 637: What is mentioned about current drones in paragraph 2?
A. They require a human pilot for operation.
B. They are hindered by technological limitations.
C. They are more complex than piloted aircraft.
D. They are primarily used for military purposes.
