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trungkien2492000
2 năm trước
$x^{2}$ + (2m +1)x + $m^{2}$ -1. trên đoạn [0;1] bằng 1. tổng của 2 giá trị của m đó là bao nhiêu
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II.Fill in the blank with an appropriate work. Learning a language is, in some way, like (1) __________________ how to fly or play the piano. There (2) _________________ important differences, but there is a very important similarity. It is this: learning how to do such things needs lots (3) ___________ practice. It is never simply to “know” something. You must be able to “do” things with what (4) ___________ know. For example, it is not enough simply to read a book on (5) ______________ to fly an aeroplane. A (6) ___________ can give you lots of information about how to fly, but if only read a book and then try to (7) _____________ without a great deal of practice first, you will crash and kill (8) ____________ . The same is true of (9) ______________ the piano. So you think it is enough simply to read about it? Can you play the piano without having lots of (10) _________________ first?

I/ Give the correct form of the verbs in brackets: 1. Tom regrets ( spend ) too much time ( play ) computer games . 2. Students stopped ( make ) noise when the teacher came in . 3. He’ll try ( not make) the same mistake again. 4. Would you mind ( turn ) off the radio ? 5. When you see Tom, remember ( give ) him my regards. 6. They postponed ( build ) an elementary school for lack of finance. 7. It’s no use ( advise ) him. He never allows anybody (give) advice. 8. Is there anything here worth ( buy ) ? 9. We missed ( watch ) a football match last night . 10. The principal tells him ( come ) in . 11. My parents decided ( take ) a taxi because it was late. 12. Do you agree ( lend ) me some money ? 13. Tom refused (give) me his address . 14. You’ll be able ( do ) it yourself when you are older . 15. I didn’t know how ( get ) to your house, so I stopped ( ask ) the way . 16. We found it very difficult ( reach ) a decision. 17. I will remember ( give ) Mr. Brown your message. 18. She remembers ( be ) taken to the zoo by her mother . 19. Do you feel like ( go ) to the concert or would you like ( stay ) at home ? 20. My family is considering (take) a trip to the USA next year. 21. The police didn’t permit ( camp ) in this wood for security reasons . 22. We don’t allow people ( smoke ) in the lecture room. 23. The teacher advised ( review) the grammatical structures carefully . 24. He’ s used to ( go ) on foot to work . 25. We get used to ( work ) on Sundays. 26. She is looking forward to ( see ) her friends . 27. Sometimes students avoid ( look ) at the teacher if they don’t want (answer ) a question. 28. You should try ( wear ) any shirts you want to buy. 29. The teacher recommends us ( prepare) the lessons well before ( come ) to class. 30. There are people can’t help ( laugh )when they see someone ( slip ) on a banana skin 31. He went to bed without ( lock ) the doors . 32. They don’t have enough patience ( wait ) for him . 33. Gravity makes water ( run ) downhill . 34. This man let me ( use ) his phone yesterday. 35. Are we allowed ( go ) out with Tom ? 36. The teller was made ( raise ) his hands . 37. Mary was advised ( stay ) out of the crowd . 38. She prefers ( eat ) to ( prepare ) meals . 39. When the rainy season comes , you need ( repair ) the roof of the house . 40. The flowers need ( water ) but you needn’t ( water ) them now.

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