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tanphuc2003
2 năm trước
Tìm gia trị nhỏ nhất của P: $\frac{x + 2}{√x}$
Thích Trả lời Chia sẻ

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I. Hãy chọn từ có phần được gạch dưới có cách phát âm đuôi s/es khác với các từ còn lại 1. A. proofs B. books C. points D. days 2. A. helps B. laughs C. cooks D. finds 3. A. neighbors B. friends C. relatives D. photographs 4. A. snacks B. follows C. titles D. writers 5. A. streets B. phones C. books D. makes 6. A. cities B. satellites C. series D. workers 7. A. develops B. takes C. laughs D. volumes 8. A. phones B. streets C. books D. makes 9. A. proofs B. regions C. lifts D. rocks 10. A. involves B. believes C. suggests D. steals 11. A. remembers B. cooks C. walls D. pyramids 12. A. miles B. words C. accidents D. names 13. A. sports B. plays C. chores D. minds 14. A. nations B. speakers C. languages D. minds 15. A. proofs B. looks C. lends D. stops 16. A. dates B. bags C. photographs D. speaks 17. A. parents B. brothers C. weekends D. feelings 18. A. chores B. dishes C. houses D. coaches 19. A. works B. shops C. shifts D. plays 20. A. coughs B. sings C. stops D. sleeps 21. A. signs B. profits C. becomes D. survives 22. A. works B. stops C. shifts D. plays 23. A. wishes B. practices C. introduces D. leaves 24. A. grasses B. stretches C. comprises D. potatoes 25. A. desks B. maps C. plants D. chairs 26. A. pens B. books C. phones D. tables 27. A. dips B. deserts C. books D. camels 28. A. miles B. attends C. drifts D. glows 29. A. mends B. develops C. values D. equals 30. A. repeats B. classmates C. amuses D. attacks 31. A. humans B. dreams C. concerts D. songs 32. A. manages B. laughs C. photographs D. makes 33. A. dishes B. oranges C. experiences D. chores 34. A. fills B. adds C. stirs D. lets 35. A. wants B. books C. stops D. sends 36. A. books B. dogs C. cats D. maps 37. A. biscuits B. magazines C. newspapers D. vegetables 38. A. knees B. peas C. trees D. niece 39. A. cups B. stamps C. books D. pens 40. A. houses B. faces C. hates D. places 41. A. fixes B. pushes C. misses D. goes 42. A. cries B. buzzes C. studies D. supplies 43. A. holds B. notes C. replies D. sings 44. A. keeps B. gives C. cleans D. prepares 45. A. runs B. fills C. draws D. catches 46. A. drops B. kicks C. sees D. hopes 47. A. types B. knocks C. changes D. wants 48. A. drinks B. rides C. travels D. leaves 49. A. stools B. cards C. cabs D. forks 50. A. calls B. glasses C. smiles D. learns

III/. Choose the correct answer by circling A, B, C or D. 11/. Last weekend, we ______to the beach. A. go B. went C. are going D. have gone 12/. My sister hates ____________ with the dolls. It’s weird. A. playing B. to play C. plays D. to playing 13/. “On Saturday and Sunday, my family often eats out.”. – “ ___________” A. I like to eat out B. Which restaurant does your family often go out? C. The food is delicious. D. On weekdays, I like to eat at home. 14/. Have you ever ____________ a buffalo – drawn cart before? A. rode B. ride C. ridden D. rid 15/. Children ___________ drink milk every day. It’s good for them. A. ought B. don’t have to C. must not D. should 16/. The ________ put too much salt in the food. A. cook B. cooker C. oven D. stove 17/. You should drive carefullier, otherwise you will cause an accident. A B C D 18/. Peter doesn’t talk much in public. He’s rather _________. A. kind B. sociable C. humorous D. reserved 19/. You must not let children play in the street because it is ____________. A. safe B. suitable C. dangerous D. careful 20/. _________ become a good tourist guide, you must be good at English. A. Because B. In order C. In order to D. So that 21/. Mike was too anxious ________ for the exam result. A. waited B. waiting C. wait D. to wait 22/. He was more than a little proud ________ himself. A. of B. in C. to D. at 23/. The teacher told us ________ in class. A. to talk B. don’t talk C. talk D. not to talk 24/. These medicine can ________ your headache. A. ease B. elevate C. revive D. affect 25/. I tried to cheer him __________, but he just kept staring out the window. A. on B. up C. in D. off 26/. She hid the present __________ the children wouldn’t find it. A. for B. in order to C. so that D. so as to 27/. I’m sorry, but I can’t come for dinner because I _________ to New York tonight. A. was driving B. has driven C. am driving D. drove 28/. It’s becoming ____________ to go out alone at night. A. dangerous B. danger C. dangerously D. dangerousness 29/. __________ the door, please? A. Are you shutting B. Do you shut B. C. Are you going to shut D. Will you shut 30/. She has been a professional tennis player __________ years. A. on B. for C. since D. in

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