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phamthuyxinhgai1192
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Câu 1: Một người hô hấp bình thường là 18 nhịp/1 phút, mỗi nhịp hít vào với một lượng khí là 400 ml. Khi người ấy tập luyện hô hấp sâu 12nhịp/1phút, mỗi nhịp hít vào là 600ml không khí. 5400 a. Tính lưu lượng khí lưu thông, khí vô ích ở khoảng chết, khí hữu ích ở phế nang của người hô hấp thường và hô hấp sâu? (Biết rằng lượng khí vô ích ở khoảng chết của mỗi nhịp hô nhấp là 150ml) b. Ý nghĩa của hô hấp sâu? Câu 2 1. Ở người, gen A quy định da bình thường, gen a quy định bệnh bạch tạng. Một cặp vợ chồng có da bình thường, sinh con đầu lòng bị bệnh bạch tạng, nếu họ tiếp tục sinh đứa con thứ 2 liệu có bị mắc bệnh bạch tạng không, tại sao? (Biết rằng không có đột biến mới phát sinh)

24. They live happily ______. A. because they have no money B. though they are rich C. in spite of their poverty D. because of their poor 25. He can’t join in the volunteer campaign _______. A. although he is busy B. because he hurts his legs C. in spite of working very hard D. because of registering for it 26. Though he drove carefully, he had an accident yesterday. A. Despite his carelessness, he had an accident yesterday. B. Despite he drove carefully, he had an accident yesterday. C. In spite of driving carefully, he had an accident yesterday. D. In spite of a careful drive, he had an accident yesterday. 27. He was very tired but he kept on working. A. Despite very tired, he kept on working. B. Though his tiredness, he kept on working. C. Although he was very tired, but he kept on working. D. He kept on working although he was very tired. 28. Although it rained heavily, they went on working. A. In spite of the rain heavily, they went on working. B. In spite of the raining heavily, they went on working. C. Despite the heavy rain, they went on working. D. Though the fact that it rained heavily, they went on working. 29. Cars cause pollution but people still want them. A. Because cars cause pollution, people want them. B. Despite the fact that cars cause pollution, people want them. C. Cars cause pollution although people want them. D. Cars cause pollution because people still want them. 30. She was seriously ill but she enjoyed life very much. A. In spite of her serious illness, she enjoyed life very much. B. Although she enjoyed life very much, she was seriously ill. C. She was seriously ill because she enjoyed life very much. D. Despite seriously ill, she enjoyed life very much.

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