Có 20 ô tô gồm 3 loại: loại 4 bánh chở được 6 tấn, loại 6 bánh chở được 10 tấn và loại 8 bánh chở được 10 tấn. 20 xe đó có tất cả 130 bánh và chở được tất cả 184 tấn hàng. Hỏi mỗi loại có bao nhiêu xe?

viết một đoạn văn nói về nhân vật quan phụ mẫu trg bài sống chết mặc bay

Cho 1 ống nghiệm .1 bình hình trụ chia độ 1 cốc nước 1 cốc dầu nhờn . Mô tả cách xác định khối lượng riêng của dầu nhờn

㏒ $\frac{75}{15}$ theo a= ㏒ $\frac{3}{5}$

I. Choose the best answer from A, B, C or D to complete the following sentences. 1. Her full name is Tran Thanh Hang so her …………… name is Tran. A. first B. middle C. last D. full 2. …………… they’ve already made their decision, there’s nothing much we can do. A. Seeing that B. On grounds that C. Assuming that D. For reason that 3. ……………, the town does not get much of an ocean breeze. A. Locating near the coast B. Despite location near the coast C. Though located near the coast D. In spite having location near the coast 4. Is that the man …………….? A. whom you lent the money B. whom did you lend the money C. you lent the money D. you lent the money to 5. I’m going on business for a week, so I’ll be leaving everything …………… . A. on you guards B. up to your eyes C. in your capable hands D. under the care of you 6. Everyone here has been to London, …………… ? A. haven’t they B. hasn’t he C. hasn’t they D. has he 7. It …………… rains whenever I go out without my umbrella. A. continually B. invariably C. typically D. infallibly 8. It’s a serious operation for a woman as old as my grandmother. She’s very frail. I hope she …………… . A. gets on B. comes round C. pulls through D. stands up 9. I know that she has tried hard; …………… that as it may, her work is just not good enough. A. come B. be C. should D. must 10. No matter what happens Susan never shows her emotions. She always keeps a stiff upper …………… . A. mouth B. eye C. head D. lip 11. Olivia is still the only student …………… the first prize four times for the best design. A. to be awarding B. being awarded C. to have been awarded D. to have awarded 12. When his alarm went off, he shut it off and slept for …………… 15 minutes. A. other B. others C. another D. the others 13. I don’t think that TV viewers like that film, …………… ? A. don’t I B. do I C. don’t they D. do they 14. He was …………… disappointed at the result of the exam. A. bitterly B. strongly C. heavily D. seriously Choose the best answer from A, B, C, or D to indicate the phrase CLOSEST in meaning to the underlined one in the following sentences. 15. A lot of superstitious practice in a country can be a major impediment to its economic development. A. obstacle B. assistance C. impetus D. encouragement 16. Extroverts tend to be gregarious and amiable. They gain energy from rubbing shoulders with others. A. spending time socially with B. making fun of C. staying away from D. engaging in arguments with

cho tam giác ABC cân tại A , cho trung tuyến AM và trung tuyến BN . Chứng Minh MN//AB

I. Complete the man's statement with the PAST SIMPLE form of the verbs in brackets: Last night I ....... (go) to my favorite restaurant in West Street. I ....... (leave) the restaurant at about 11 o'clock. It ..... (be) a warm evening and I ....... (decide) to walk along the beach. Suddenly, I ....... (hear) a noise. I ...... (turn) and ........ (see) three boys aged about eighteen. One boy ...... (come) up to me and ....... (ask) me the time. When I ........ (look) down at my watch, he ...... (hit) me and I ........ (fall) to the ground. Another boy ..... (take) my wallet. I .... (shout) for help. Then they ...... (run) away II. Turn the following sentences into the passive voice or the active voice 1. They have to repair the engine of the car → 2. The teacher is going to tell a story → 3. Open your book → 4. The chief enginer was instructing all the workers of the plant → 5. Who looked after the children for you? → 6.How are candles made? → 7. Were you taught how to apply this theory by your teachers? → 8. Don't do that silly thing again → 9. Luckily for me, they didn't call my name → 10. Take off your hat → 11. The teacher gave each of us two exercise books → 12. They paid me a lot of money to do the job → 13. Who are they keeping in the kitchen? → 14. Is she making big cakes for the party? → 15. These animals at the zoo are fed twice a day →

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