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maxkunkt
2 năm trước
cho em hỏi trong đa thức 3x^3-7x^2+17x - 5 ta tìm được nghiệm là x=1/3 thì tại sao nhân tử chung lại là 3x-1 ạ
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D. COMPREHENSION: 1. Read the passage and make the correct choice: The six-month-old photography club, (31) ______ comprises nineteen deaf, mute or mentally retarded children, is now having (32) ______ first exhibition in Hanoi. More than fifty colour photos are on (33) ______ at the exhibition room featuring the beauty of daily life seen through the eyes of these disabled children. The subjects are simple and peaceful: old men reading books on the sides of Hoan Kiem Lake, labourers hard at work or chickens looking (34) ______ food. The children's passion for taking pictures has stimulated them and helped them (35) ______ their sorrow. 31. a. that b. which c. it d. who 32. a. its b. several c. a few d. his 33. a. television b. radio c. Display d. advertisement 34. a. at b. after c. into d. for 35. a. escape b. express c. explain d. export 2. Read the following passage and choose the best answer: This is a story that Charlie Chaplin liked to tell about himself. It happened after the great actor had become internationally famous. A theatre announced that a competition would be held to see who could act like Charlie Chaplin. Those taking part in it had to dress like Chaplin, walk like Chaplin and act one of the roles in a Chaplin film. When Charlie Chaplin heard about the competition, he decided to take part in the competition himself. Naturally, he kept his plan a secret from everybody. When the results of the competition were announced, Charlie said: " I didn't know whether to feel angry or only surprised. I didn't win the first prize. But after thinking about it, I decided that it would be best to laugh. 36. When did the story happen? a. when Charlie Chaplin liked to tell it b. after Charlie Chaplin had become well-known c. before a competition was held d. before Charlie Chaplin became famous 37. Those who took part in a competition had to do the following things except______. a. dress like Charlie Chaplin b. walk like Charlie Chaplin c. sing like Charlie Chaplin d. act one of the roles in a Chaplin film 38. What did Chaplin do when he took part in the competition? a. he didn't let anybody know it b. he told everybody about it c. he made his plan known to everyone d. he announced his secret 39. What happened in the end? a. Chaplin felt self-confident b. Chaplin won the first prize c. Chaplin failed in the competition d. Chaplin felt satisfied with the result 40. The word "competition" is nearest in meaning to ______. a. examination b. contest c. test d. check-up II. WRITING: Rewrite the following sentences: 41. He liked going to football matches when he was a boy. He used ______________________________________________________________________. 42. She spent three days reading this novel. It took _______________________________________________________________________. 43. Jane isn't strong enough to carry that box. Jane is too ___________________________________________________________________. 44. Tom succeeded in the examination. It surprised everyone. Tom succeeded in the examination, wh- ____________________________________________. 45. Last summer, I spent two weeks in Italy. Last summer, I had a _________________________________________

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