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trangkarry3011
2 năm trước
Tìm $m$ để phương trình $x^2-2x+m=0$ có nghiệm $x_1;x_2$ thỏa mãn $x_1-2x_2=5$
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Đọc đoạn văn sau và trả lời các câu hỏi: “Khi đó, ván bài quan đã chờ rồi. Ngài xơi bát yến vừa xong, ngồi khểnh vuốt râu, rung đùi, mắt đang mải trông đĩa nọc, bỗng nghe ngoài xa, tiếng kêu vang trời dậy đất. Mọi người đều giật nảy mình, duy quan vẫn điềm nhiên, chỉ lăm le chực người ta bốc trúng quân mình chờ mà hạ. Vì ngài sắp ù to. Có người khẽ nói: - Bẩm, dễ có khi đê vỡ! Ngài cau mặt, gắt rằng: - Mặc kệ! Rồi ngồi xếp bài lại, quay gối dựa sang bên tay phải, nghiêng mình bảo thầy đề lại: - Có ăn không thì bốc chứ! Thầy đề vội vàng: - Dạ, bẩm, bốc.” câu 1:Đoạn văn trên trích trong văn bản nào? Tác giả của văn bản đó là ai? câu 2 :Nội dung của đoạn văn trên? câu 3 :Tìm và ghi lại các câu rút gọn có trong đoạn văn câu 4:Ý nghĩa của câu văn “ Mọi người đều giật nảy mình, duy quan vẫn điềm nhiên, chỉ lăm le chực người ta bốc trúng quân mình chờ mà hạ.”

Read the following passage and answer the questions . London is famous for many things. Tourists come from all over the world to visit its historic buildings. They also come to visit its theaters, its museums and its many shops, such as Harrods, where you can buy everything. Like many big cities. London has problems with traffic and pollution. Over 1.000.000 people a day use the London Underground, but there are still too many cars on the streets. The air isn’t clean, but it is cleaner than it was 100 years ago. The best thing about London is the parks. There are five in the city center. But my children’s favorite place is Hamleys, which is the biggest toyshop in the world. It is 200 years old . 1. Is London famous for many shops? ……………………………………………………………….

Làm giúp mình với!!!! 1. The more ideas you have, _______ you will develop. A. the projects more B. the more projects C. projects more D. more projects 2. _______ Elton John became, the more difficult it was for him to avoid reporters. A. The most famous B. The more famous C. The more famously D. More famous 3. _______ are becoming fed up with the corruption in government. A. More and more B. More people and more people C. More and less people D. More and more people 4. In many countries in the world with the same job, women only get _______ as men. A. 40%-50% many salary B. 40%-50% as much salary C. 40%-50% as many salary D. 40%-50% much salary 5. The more carefully you plan, _______ the result will be. A. better B. the more well C. better and better D. the better 6. The more flowers you grow, _______ your garden will be. A. more pretty B. the more pretty C. the prettier D. prettier 7. It’s becoming _______ to find a job. A. more and more B. more harder and more harder C. less and less D. harder and harder 8. Many teenagers like facebooking _______ doing sport. A. more than B. much as C. least than D. so much as 9. The more forests we cut down, _______ the Earth becomes. A. the hotter B. the hottest C. the most hotly D. the hoter 10. The harder you work, _______ you will obtain results. A. the more rapidly B. more rapidly than C. the more rapid D. the most rapidly 11. It gets _______ when the winter is coming. A. cold and cold B. the coldest and coldest C. colder and colder D. more and more cold 12. The cuisine of France is _______. A. more famous than that of England B. famous than the cuisine of England C. more famous than which of England D. as famous than that of England 13. The more money he makes, _______ things he buys. A. more expensive B. the more expensive C. most expensive D. the most expensive 14. She doesn't really like vodka, so the _______ a bottle you find, the _______ it will be for us! A. smaller /cheap B. smaller / cheaper C. small / cheaper D. smaller / good 15. His computer can download files _______ their computer does. A. as faster as B. as fastly as C. as much fast as D. as fast as 16. The larger the apartment is, the _______ its price is. A. high B. higher C. highest D. more highly 17. He becomes _______ interested in politics. A. less B. fewer and fewer C. less and less D. as few as 18. The ‘Silver Arrow’ will be _______ in the world when it is built. A. train faster than B. the train fastest C. the fastest train D. faster train than 19. Her motor is _______ mine. A. as big as twice B. as two time big as C. twice as big as D. as twice big as 20. The more educated women are, _______ they marry. A. later B. the more late C. the later D. the more later 21. This yoghurt _______ the one I bought yesterday. A. does not taste as better as B. does not taste as good as C. does not taste better as D. does not taste good as 22. In the UK, the streets are _______ than in the USA. A. more narrow generally B. generally more narrow C. narrower generally D. generally narrower 23. The team _______ it was five years ago. A. is still as best as B. is still as good as C. is as still best as D. is as still good as 24. The older he gets, _______ friends he has. A. less B. the less C. the fewer D. more 25. The more active you are, _______ you will have. A. less cardiovascular problems B. the less cardiovascular problems C. more cardiovascular problems D. the fewer cardiovascular problems 26. She plays the piano _______ as her sister does. A. as beautifully B. more beautifully C. as beautiful D. the most beautifully 27. The streets are getting more and _______ these days. A. crowded B. less crowded C. more crowded D. most crowded 28. She has _______ than most people. A. as much problems B. most problems C. as many problems D. more problems 29. You must explain your problems _______. A. as clear as you can B. as clearly as you can C. as clear than you are D. as clearly as you are 30. The bicycle costs _______ the other one. A. three times as much as B. third as much as C. third as much D. three times as much

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