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Alonedie
2 năm trước
Cho e hỏi tại sao người ta có thể tính Q=Q' + 3Q theo cách này vậy mọi người e ko có học phần định luật bảo toàn năng lượng nên chưa hiểu, đặc biệt người ta nhân nhiệt lượng môi trường cho 3 phút nữa
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Bài tập viết lại câu thì hiện tại hoàn thành và quá khứ đơn 11. I haven't taken a bath since Monday. => It is ......................................................................................................... 12. Samuel started keeping a diary in 1997. Samuel has ______________________________________________ 13. We started leaming English fìve years ago. We have ______________________________________________ 14. I began living in Ho Chi Minh City when I was 8. I have ______________________________________________ 15. She has taught the children in this remote village for five months. She started ______________________________________________ 16. He has written to me since April. The last time ______________________________________________ 17. She hasn’t had a swim for five years. She last ______________________________________________ 18. They last talked to each other two months ago. They haven’t ______________________________________________ 19. The last time she saw her elder sister was in 1999. She hasn’t __________________________

đề :ask and answer questions,using the given words 1. you/usually/do/in the evening (do my homework) .........................................?........................................ 2. you/do/at the moment (read a book) .........................................?........................................ 3. mai/live(on tran hung dao street) .........................................?........................................ 4. sandra/talk to on the phone (her mother) .........................................?........................................ 5. you/like(maths and physics) .........................................?........................................ 6. the children/ play football/ now(in the park) .........................................?........................................ 7. vy/often/do her homework (at 8p.m) .........................................?........................................

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