cho A=4x^2+4x+2 b=2x^2-2x+1 c=-15-x^2+6x b,c/m c luôn âm c, tìm gtln (gtnn) của a,b,c

Exercise 1:Pronunciation (1) 1. a. arrange b. age c. name d. canyon 2. a. seven b. level c. next d. ruler 3. a. got b. professor c. correct d. honor 4. a. enjoyed b. performed c. finished d. urged 5. a. ancient b. century c. center d. rice 6. a. marine b. memorial c. pyramid d. statue 7. a. edge b. return c. temple d. temperature 8. a. jungle b. sunny c. bus d. surrounding 9. a. guessed b. moved c. used d. compiled 10. a. heritage b. hike c. honor d. hundred 11. a. sunbathe b. taste c. water d. teammate 12. a. river b. pottery c. plumber d. fetch 13. a. husk b. urge c. rub d. jumble 14. a. council b. about c. without d. throughout 15. a. design b. custom c. saint d description

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Exercise 1: Choose the best answer (2) 12. Sarah was driving to fast, so I ______ to slow down. A. asked her B. asked C. ask D.have asked her 13. Someone ______ me there’s been an accident on the motorway. A. asked B. said C. spoke D. told 14. Tom said that New York _______ more lively than London. A. is B. be C. was D. were 15. When he was at Oliver’s flat yesterday, Martin asked if he ______ use the phone. A. can B. could C. may D. must 16. I said that I had met her ______ . A. yesterday B. the previous day C. the day D. the before day. 17. The man asked the boys ______ . A. why did they fight B. why they were fighting C. why they fight D.why were they fighting 18. I wanted to know ______ return home. A. when would she B. when will she C. when she will D. when she would 19. The woman wonders _______ doing well at school. A. whether her children are B. if her children were B. whether her children were D. her children are if 20. Peter said he was leaving for Paris ______. A. next week B. the week previous C. following week D. the following week 21. “I don’t usually drink milk when ______ ” Mrs. Pike said. A. she was hungry B. I was hungry C. I am hungry D. I will be 22. They said that their house had been broken into ______. A. the two days before B. two days ago C. two days before D. since two days

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Exercise 1: Choose the best answer (1) 1. Jack asked me _____. A. where do you come from? B. where I came from C. where I came from D. where did I come from? 2. She asked me _____ I liked pop music. A.when B.what C.if D.x 3. The doctor ____ him to take more exercise. A.told B.tell C. have told D. are telling 4. I wanted to know_____ return home. A. when would she B. when will she C. when she will D. when she would 5. Claire told me that her father____ a race horse. A. owns B. owned C. owning D. A and B 6. I rang my friend in Australia yesterday, and she said it _______ raining there. A. is B. were C. has been D. was 7. The last time I saw Linda, she looked very relaxed. She explained she’d been on holiday the ______ week.A. ago B. following C. next D. previous 8. Yesterday, Laura ______ him to put some shelves up. A. asked B. is asking C. ask D. was asked 9. When I rang Tessa some time last week, she said she was busy ______ day. A. that B. the C. then D. this 10. I wonder _____ the tickets are on sale yet. A. what B. when C. where D. whether 11. Ann ______ and left. A. said goodbye to me B. says goodbye to me C. tell me goodbye D. told me goodbye

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