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datdao1004
2 năm trước
Chọn đáp án đúng: Cho phản ứng bậc 1, thời gian cần thiết để giảm nồng độ chất tham gia phản ứng từ 15 mol/L xuống 0,5 mol/L sẽ __________ so với giảm từ 3 mol/L xuống còn 0,1 mol/L trong thiết bị cùng thể tích (lớn hơn, nhỏ hơn, bằng, không xác định được)
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1. Jim thinks arranging flowers is more boring than ………………… stamps. A. buying B. collecting C. swimming D. writing 2. What does your mother often do ………………… her free time? A. for B. at C. in D. on 3. She hates doing the gardening because she thinks it is ………………… A. tired B. tiredness C. tiring D. tiredly 4. Mum, I lost my shoes yesterday. – Don’t worry. I ………… you the new ones tomorrow. A. will buy B. buy C. buys D. buying 5. I see a ………………… doing the gardening over there. A. collector B. reporter C. gardener D. teacher 6. She puts all the stamps in an ………………… A. apple B. umbrella C. egg D. album 7. Anna’s apartment is ………………… the fifth floor. A. on B. at C. of D. by 8. Playing sports always gives you ………………… and makes you ………………… A. pleasant/ healthy B. pleasure/ health C. pleasure/ healthy D. pleased/ healthy 9. I’m sure you ………………… a chance to climb mountains next weekend. A. have B. will have C. having D. had 10. “Have you made plans for the summer?”– “Yes, we ………………… to Spain.” A. go B. going C. went D. will go 11. Jogging is a/ an ………………… hobby. A. expensive B. cheap C. difficult D. unusual 12. “John is a better player than Martin, isn’t he?” – “Oh yes. He ………………… the match tomorrow, I expect.” A. is winning B. win C. wins D. will win giúp với ạ :(

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