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daoham2018
2 năm trước
Bề mặt trao đổi khí có các đặc điểm như thế nào sẽ giúp trao đổi khí ở cơ thể đạt hiệu quả cao? Nêu tác dụng của mỗi đặc điểm đó?
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Các câu hỏi liên quan

Mark the letter A, B, C, D to indicate the words CLOSEST in meaning to the underlined word(s) in each of the following questions. 1.Nobody knows the origin of the Vietnamese long dress ( Ao Dai ) . There was no evidence about where and when it appeared => evidence A. proof B. evaluation C. book D. symptom 2. His friend was very surprised . ‘ Why did you do that ? ‘ he asked => very surprised A. nosy B. supportive C. astonished D. considerate Mark the letter A, B, C, D to indicate the words OPPOSITE in meaning to the underlined word(s) in each of the following questions. 3. Mammals of average and especially of small size are so numerous that they play a significant role in nature => numerous A. numeral B. scare C. tiny D. unimportant 4. Wet your hands thoroughly under running water and squirt liquid soap onto the palm of the hand => Wet A. dry B. clean C. heat D. wash Mark the letter A, B, C, D to indicate the underlined part that needs correction in each of the following questions. 5. These televisions are too expensive for we to buy at this time, but perhaps we will return later A. These B. are too expensive C. we D. this time

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