Đọc đoạn văn sau và trả lời các câu hỏi: … “Từ xa xưa, chim ưng đã được nuôi và huấn luyện để trở thành những con chim săn mồi bằng cách tạo cho chúng thói quen được thưởng mỗi khi chúng hoàn thành nhiệm vụ. Người ta không bao giờ thả chim đã ăn no đi săn vì như thế rất có thể chúng sẽ không quay về nữa. Họ tính toán làm sao để lượng thức ăn vừa đủ tiêu hao hết và chim phải quay về lĩnh thưởng. Ngày nay, để kiểm soát những con chim ưng quý, người ta buộc vào chân chúng bộ phát sóng radio để theo dõi mỗi khi thả chim đi săn”. (Theo báo Tia sáng số 6, ngày 22/10/2002) a. Nội dung đoạn văn trên nói gì? b. Đặt nhan đề cho đoạn văn trên.

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