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Trangthuhoang162
2 năm trước
Câu 1.Câu nào sau đâu đúng cho kiểu bay lượn: * a.Cánh đập dang rộng mà không đập. b. Cánh đập chậm rãi không liên tục. c.Bay dựa vào sự nâng đỡ của không khí và sự thay đổi của các luồng gió. d. Cả a,b và c đều đúng. Câu 2.Câu nào sau đây không đúng cho chim bồ câu thích nghi đời sống bay lượn: * a.Thân hình thoi, phủ lông mao. b.Mỏ sừng bao lấy hàm không răng. c. Chi sau gồm 3 ngón trước , 1 ngón sau , có vuốt. d.Chi trước là cánh chim
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