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2 năm trước
giải phương trình 5x^3+6x^2+12x+8=0
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II. Supply the correct form or tense of verbs in the brackets: 35. Marconi (invent) ________ the radio. 36. The children must (be) _____________ back by six o’clock. 37. I like (watch) _________ baseball. 38. My mother (not like)________ riding. She (prefer)________ walking. 39. When my father (be)_________ young, he (drink) ____________ a lot of wine. 40. Lan’s family always (watch) __________ TV in the evening. 41. I’d like (tell)_________ you something about myself. 42. many years ago, most people in Vietnam (not have)________ VT sets 43. Nga likes (watch) ________ programs about teenagers in other countries. 44. They(perform) _________ “Romeo and Juliet” last Sunday. 45. We prefer (gather) _______ around TV after dinner. 46. Be careful! The car (come)_____________. 47. Don’t forget (turn off) ________ the lights before going out. 48. Children should (spend) ________ only a small part of their free time (play)___________ video games 49. I like (play) ____________ chess. 50. Hoa rarely (go) ___________ to the movie or (eat)__________ out in the evening. 51. Nam likes (watch) ________ videos in his free time. 52. the police can (identify) _______ the robbers by studying the video. 53. She prefers (socialize) ________ with her friends. 54. Marie Curie (receive)__________ the Nobel Price for Chemistry in 1911. 55. My uncle (send) ______ me postcards every time he (go) _______ away. 56. Ban ad Hoa would like (visit) ______ Hong Kong 57. We can (enjoy) ___________ traditional music. 58. She (learn) ___________ to play the piano when she (be)_______ six years old. 59. He (pay) __________ for his own education at Cambridge University and later he (teach) __________ at this university 60. When ____ Thomas Edison (die) ______? – in 1931 61. I (remember) _________ he (be)___ 42 when the People’s Army of Vietnam (win) ________ the battle in 1945 62. When they (be) _______ young they (leave)___________ their family and (go)________ to Ho Chi Minh City. 63. He (become)________ most famous for the fairy tale he (write) ______ between 1835 and 1872. 64. We (be) ________ at the seaside for ten days last summer. 65. She (see) ________ a movie tonight. 66. They (rehearse) ______ a new play at the moment. 67. You (meet) ________ your friend at the airport tomorrow? 68. The students (not do) ______ their homework now. 69. (Not shout) _________ . Our teacher (come)____________. 70. They (buy) __________ a lot of souvenirs for their parents yesterday. 71. The children (wait) _______ for their parents now? 72. People (sell) ________ out all the newspaper this morning 73. I (study) _______ French next month. 74. Tom (not be) _________ at home last night. He (go)_______ to his English club. 75. My uncle (raise)_________ lots of chickens and pigs at the moment. 76. Where your teacher (be)___? –He (explain) ____ a new lesson in that classroom. 77. I (pick) _____ you up at your hotel in half an hour. 78. Let’s (eat)________ some spinach. 79. Would you like (come) _______ to my house for lunch? 80. Don’t make noise! My favourite bands (perform) _______ the latest songs.

Bài 1: Khoanh vào các đáp án đúng: a) Tỉ số phần trăm của 14,5 và 29 là : A. 5% B. 50% C. 200% D. 20% b) Tìm một số, biết 15% của số đó là: 75 A. 11,925 B. 50 C. 500 D. 5,0 c) Tìm chữ số x, biết 7,4x5 > 7,489 A. x = 7 B. x = 8 C. x = 9 D. x = 6 d) Một hình thang có diện tích 36 cm 2 , chiều cao bằng 6 cm, đáy lớn bằng 7 cm. Đáy bé của hình thang đó bằng: A. 5 dm B. 5 cm C. 4 cm D. 3 cm e) Bán kính của một hình tròn có diện tích bằng 28,26 cm 2 là A. 9 cm B. 4,5 cm C. 3 cm D. 6 cm g) Diện tích của hình thang như hình vẽ bên là: A. 112 cm 2 B. 128 cm 2 C. 224 cm 2 D. Một đáp số khác. h) Diện tích hình tam giác vuông có độ dài hai cạnh góc vuông là 2,5 m và 16 dm là: A. 2 m 2 B. 4 m 2 C. 4,1 m 2 D. 0,9 m 2

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