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nguyenloc
2 năm trước
ai giúp em vs ạ Khi nung Canxicacbonat ,Canxioxit và C02 .a) Tính kl khí CO2 sinh ra khi nung 5 tấn Canxicacbonat và 2,8 tấn Canxioxit .b)Nếu thu đc 11kg Canxioxit là 88kg C02 vậy trong trường hợp này kl khí canxincacbonat tham gia phản ứng là bao nhiêu ?
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While (1)________ everyone accepts the goal of developing (2)_______ in the three "R's" - reading, writing, and arithmetic - it often seems impossible to (3)_______ agreement on any goal beyond that. In the broadest (4)________, the conflict over educational goals can be (5)_______ as a conflict between conservatives and liberals, or, (6)_______ they are sometimes called, essentialists and progressives. The conservatives, or essentialists, tend to identify (7)________ desirable education with the transmission of the cultural heritage, a no-nonsense (8)_______ featuring the three R's at the elementary-school level, and academic studies or strong vocational or business courses in the secondary school. They put (9)_______ on the training of the mind and cultivation of the intellect. The liberals, or progressives, tend to be interested in the development of the (10)_______ child, not merely in training the child's mind or in preparing the child for adult (11)_______ in a remote future. They emphasize rich, meaningful school living in the present, and they view subject matter as a resource (12)________ total human development (13)_______ as a goal in itself. They do not downgrade content but believe it should be (14)_______ not for (15)________ own sake but as a means of fostering thought and inquiry. 1. A. most B. mostly C. almost D. utmost 2. A. talents B. actions C. skills D. techniques 3. A. get B. accomplish C. take D. reach 4. A. terms B. words C. letters D. means 5. A. viewed B. thought C. counted D. named 6. A. but B. when C. although D. as 7. A. certain B. a C. the D. as 8. A. subject B. curriculum C. object D. program 9. A. significance B. stress C. emphasis D. strength 10. A. complete B. whole C. all-round D. total 11. A. living B. lives C. liveliness D. life 12. A. at B. in C. of D. for 13. A. but for B. rather than C. instead D. better 14. A. inquired B. required C. acquired D. requested 15. A. it B. its C. them D. their

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